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School: Maryland
ENEE 222 0201/2 HOMEWORK ASSIGNMENT 1 Due Tue 02/05/13 Problem 1A Consider the complex numbers z1 = 4 5 j and z2 = 2 + 7j (i) (2 pts.) Plot both numbers on the complex plane. (ii) (2 pts.) Evaluate |zi | and zi for both values of i (i = 1, 2). 2 (iii) (6
School: Maryland
ENEE222: HW Assignment #2 Due Tue 9/25/2012 1. Answer the following questions. (a) Consider the frequency f0 = 420 Hz and the sampling rate fs = 600 samples/sec. List all the aliases of f0 with respect to fs in the frequency range 0.0 to 3.0 kHz. (b) If w
School: Maryland
ENEE 241 02 HOMEWORK ASSIGNMENT 3 Due Tue 02/22 Problem 3A (i) (4 pts.) Consider the frequency f0 = 180 Hz and the sampling rate fs = 640 samples/sec. List all the aliases of f0 with respect to fs in the frequency range 0.0 to 2.5 kHz. (ii) (2 pts.) If we
School: Maryland
HW #2 From the Book: ENEE 205- Fall 2011 Due Sept 29 by 9:30AM Read Chapter 3 (Having already read Chapters 1 & 2) 1 k Problem #1 - John explains to Jasmine, after the battery in his calculator died, that a 9 Volt battery can be used to charge a 3Volt bat
School: Maryland
Course: Analog And Digital Eletronics
Homework #8 (Horiuchi) Fall 2013 Solution Sheet Vdd Due: Tuesday, November 19, 2013 (in class) M2 3*IB V2 Problem #1 folded cascode (3 pts) In the circuit on the right, V1, V2, and V3 are all fixed DC M3 voltages. M2 provides the DC current (3*IB)
School: Maryland
1. Convert the following binary numbers to decimal: (a) 1101; (b) 10111001. (a) 1101 = 1.23 + 1.22 + 0.21 + 1.20 = 8 + 4 + 0 + 1 = (13)10. (b) 10111001 = 1 + 8 + 16 + 32 + 128 (written in backwards order) = 185. 2. Convert the following decimal numbe
School: Maryland
Course: Random Process
Transience and Recurrence (Persistence) of States For a time-homogeneous Markov chain X0 , X1 , X2 , with a countable state space S, a state i is said to be recurrent or persistent, if with probability 1 there exists some nite n, such that Xn = i given th
School: Maryland
Course: Random Process
Important Corollary to the Markov Property Corollary to the Markov Property: For a Markov chain X0 , X1 , X2 , with a countable state space S, we have: n+m n1 n+m P Xn+1 A|Xn = sn , X0 B = P Xn+1 A|Xn = sn for all A S m , B S n , and sn S. The following s
School: Maryland
Course: Random Process
Linear Prediction of WSS Random Processes In order to construct the mathematical framework for prediction of WSS processes, we went through the following steps: Step 1. Choosing L2 as a function space endowed with inner product. For X, Y L2 (, F, P ), we
School: Maryland
Course: Random Process
Cherno Bounds and Bernsteins Inequality Consider a sequence of random variables X1 , X2 , which are zero-mean and i.i.d. with a moment generating function MX (s) dened over s (s0 , s0 ). We want to establish the following bounds, known as the Cherno bound
School: Maryland
Course: Random Process
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School: Maryland
Course: Technology Choices
Deion Baker ENEE 131- Technology Choices Short Paper #2 The piece of modern technology I chose to analyze is the high speed train. The high speed rail is different from other train systems as it operates at a significantly higher speed than the normal spe
School: Maryland
Course: Technology Choices
Deion Baker Short Paper #1 9-28-10 The Amish view of technology and technological change is very misunderstood by modern society. I feel as though their approach to technology use can be seen as efficient. The Amish have selectively incorporated technolog
School: Maryland
Course: Social And Ethical Dimensions Of Engineering Technology
Iniese Umah ENEE 200 Paper 4 Gift vs. Bribe In the engineering practice, it is important for an engineer to be able to distinguish between bribes and gifts. Lets consider the case of Max, an engineer who is a U.S citizen and is trying to establish his com
School: Maryland
Course: Computer Organization
Sequentialcircuitdesign Nowletsreversetheprocess:Insequentialcircuitdesign,weturnsomedescriptionintoa workingcircuit. Wefirstmakeastatetableordiagramtoexpressthecomputation. Thenwecanturnthattableordiagramintoasequentialcircuit. Sequentialcircuitdesign
School: Maryland
Welcome to ENEE 205 Electric Circuits Lecture 24 Bode Plots of Active Filters 1 Midterm Grade Distribution Good Job! 2 Recap: Different filters can be created with LRC circuit (passive filters) L C R vS(t) H L (s) high-pass H C (s) low-pass s 2 LC 2 s L
School: Maryland
Welcome to ENEE 205 Basic Circuit Theory Lecture 18 OPAMPS III ProblemSolvingOPAMPCircuits Circuit1(38) Circuit2(911) Circuit3(12) Circuit4(1315) Circuit4(16) OPAMPComparator&SchmittTrigger(1822) RelaxationOscillator(2224) 1 ProblemSolvingwithOPAM
School: Maryland
WelcometoENEE205 BasicCircuits Lecture22 TransferfunctionsandTransients 1 TransferFunctions Steps: 1. Look carefully at circuit and see if Norton/Thevenin equivalents are going to be useful. 2. Apply usual current or voltage division, remember to set 1 Z
School: Maryland
Welcome to ENEE 205 Basic Circuit Theory Lecture 17 OPAMPS II HWproblemdependentsource(25) OPAMPSampleCircuitExamples Differentiator(8) Integrator(9) PhasorSolution(1012) GeneralTechnique(1315) BuildingIntuition(1620) PositiveFeedbackCircuitsandOs
School: Maryland
Welcome to ENEE 205 Electric Circuits Lecture 11 OUTLINE Recap: key points equivalent transformations (2) Thevenin and Norton Theorem (3-9) Example: Thevenin in resistive ckts (10-13) Thevenin and Norton Equivalence (14-19) Example: Illustration of T/N fo
School: Maryland
School: Maryland
Course: Random Process
ENEE 620 RECITATION 9 1. The random vector X = [X1 X2 X3 ]T has mean zero and covariance CX 2 1 = 1 2 1 1 2 (i) Express CX in the form CX = LLT , where L is a real-valued lower triangular matrix. What is the range of allowable values of ? (ii) What lin
School: Maryland
Course: Random Process
ENEE 620 RECITATION 11 1. For what values of a is rn = (a + |n|)2|n| the autocorrelation function of some wide-sense stationary seequence? (Use k k=0 z = (1 z)1 and k k=1 kz = z(1 z)2 for |z| < 1.) 2. Consider the wide-sense stationary sequence X , where
School: Maryland
Course: Random Process
ENEE 620 RECITATION 10 1. Consider a Gaussian vector X = (X1 , X2 ) with characteristic function X (u) = exp j(u1 4u2 ) 4u2 6u1 u2 9u2 1 2 (i) Write an expression for the joint pdf fX1 X2 (x1 , x2 ). (ii) Determine the characteristic function of Y = X1 X2
School: Maryland
Course: Random Process
ENEE 620 RECITATION 8 1. Let X1 be i.i.d. uniform over (0, 1]. (i) What is the almost sure limit of X1 + + Xn Xn = ? n (ii) If Xi = Xi Icfw_Xi 2/3 , what is the almost sure limit of Vn = X1 + + Xn ? n (iii) What is the almost sure limit of Yn = (X1 X2 Xn
School: Maryland
Course: Random Process
ENEE 620 RECITATION 7 1. Let X be uniformly distributed over [1/2, 1/2). Derive and sketch its moment generating function MX (s) and characteristic function X (u). How would you approximate both functions by quadratic polynomials in the vicinity of the or
School: Maryland
ENEE 222 0201/2 HOMEWORK ASSIGNMENT 1 Due Tue 02/05/13 Problem 1A Consider the complex numbers z1 = 4 5 j and z2 = 2 + 7j (i) (2 pts.) Plot both numbers on the complex plane. (ii) (2 pts.) Evaluate |zi | and zi for both values of i (i = 1, 2). 2 (iii) (6
School: Maryland
ENEE222: HW Assignment #2 Due Tue 9/25/2012 1. Answer the following questions. (a) Consider the frequency f0 = 420 Hz and the sampling rate fs = 600 samples/sec. List all the aliases of f0 with respect to fs in the frequency range 0.0 to 3.0 kHz. (b) If w
School: Maryland
ENEE 241 02 HOMEWORK ASSIGNMENT 3 Due Tue 02/22 Problem 3A (i) (4 pts.) Consider the frequency f0 = 180 Hz and the sampling rate fs = 640 samples/sec. List all the aliases of f0 with respect to fs in the frequency range 0.0 to 2.5 kHz. (ii) (2 pts.) If we
School: Maryland
HW #2 From the Book: ENEE 205- Fall 2011 Due Sept 29 by 9:30AM Read Chapter 3 (Having already read Chapters 1 & 2) 1 k Problem #1 - John explains to Jasmine, after the battery in his calculator died, that a 9 Volt battery can be used to charge a 3Volt bat
School: Maryland
Course: Analog And Digital Eletronics
Homework #8 (Horiuchi) Fall 2013 Solution Sheet Vdd Due: Tuesday, November 19, 2013 (in class) M2 3*IB V2 Problem #1 folded cascode (3 pts) In the circuit on the right, V1, V2, and V3 are all fixed DC M3 voltages. M2 provides the DC current (3*IB)
School: Maryland
1. Convert the following binary numbers to decimal: (a) 1101; (b) 10111001. (a) 1101 = 1.23 + 1.22 + 0.21 + 1.20 = 8 + 4 + 0 + 1 = (13)10. (b) 10111001 = 1 + 8 + 16 + 32 + 128 (written in backwards order) = 185. 2. Convert the following decimal numbe
School: Maryland
Course: Electronic Circuits Design Laboratory
Introduction The objective of this lab is to examine the effect of frequency on circuit performances. Analysis, Design and Practical Realization Low frequency response of CE amplifier experiment First we designed a CE amplifier circuit with mid band gain
School: Maryland
Course: Electric Machines
Scott R. Smith ENEE473 Lab 5: Three-Phase Induction Machine Equivalent Circuit Model March 9, 2007 Purpose: This experiment will allow me to determine the equivalent circuit model parameters for the three-phase induction machine. The equivalent circ
School: Maryland
Course: Digital Circuits And Systems Laboratory
LABORATORY 2 - Synchronous and Asynchronous Counters Lab Goals The main purpose of this lab is to introduce the basic laboratory procedures necessary to evaluate simple digital circuits: how to convert logic diagrams into circuit diagrams, how to use b
School: Maryland
Course: Digital Circuits And Systems Laboratory
Laboratory1:Introduction 1.1 Objectives The objectives of this laboratory are: To become familiar with the Agilent InfiniiVision 2000 X series oscilloscope and its built-in function generation DVM, with which you will learn to acquire, save, and manipulat
School: Maryland
Course: Intermediate Programming Concepts For Engineers
# # 'Makefile' template # # example use: "$ make build" # example use: "$ make clean" # example use: "$ make compress" # => IMPORTANT: submit-file is to include _ONLY_ source, data (if any) and build tools (Makefile) #unix #example$(VER).zip: example$(VE
School: Maryland
Course: Intermediate Programming Concepts For Engineers
ENEE150 Fall'13 Lab 1 (1) What you receive ENEE150_F13_LAB1_distrib.tgz ./00_submissions: Makefile main_template.c function_template.c ./01_search: search.c ./02_mul: mul.c 50numbers.txt ./03_root: root.c /.tgz containing subdirectories below /example 'Ma
School: Maryland
Course: Random Process
Proofs of The Borel-Cantelli Lemmas The First Borel-Cantelli Lemma: For a countable sequence of events A1 , A2 , dened over a probability space (, F, P ), we have: P (An ) < = P lim sup An =0 n n1 Proof. Recall the denition of limit superior: lim sup An :
School: Maryland
Course: Random Process
Convergence of Random Variables Review Quiz Solutions Let = [0, 1) with (as usual) F being the Borel -eld and P [ ] the Lebesgue measure. For each of the following sequences X1 , determine which modes of convergence are applicable and the limit variable X
School: Maryland
Course: Random Process
Markov Convergence Review X0 is an irreducible time-homogeneous Markov chain S = Z or subset thereof j is an arbitrary xed state in S Xn ? Positive Recurrent Null Recurrent Transient Yn = Icfw_Xn =j ? Zn = n k=1 Yk ?
School: Maryland
LABORATORY 1 - Test and Measurement Equipment A. Lab Goals In this lab you will gain familiarity with several pieces of test and measurement equipment. The key piece of equipment that you will use is the digital mixed-signal oscilloscope, with which you w
School: Maryland
LABORATORY 12 Rectifier Circuits A. Lab Goals In this lab you will learn about the operation of diodes, and characterize half-wave and fullwave rectifier circuits both with and without filtering. You will also learn about zener diodes and design, construc
School: Maryland
LABORATORY 11 Transient Response in 1st And 2nd Order Circuits A. Lab Goals In this lab you will design, construct, and test a number of circuits with one or two energystoring elements. The goal of the lab is to characterize and understand the transient r
School: Maryland
ENEE 303: Analog and Digital Electronics Course Outline, Spring 2013 Instructor: Alireza Khaligh Office: 2347 A.V. Williams; Tel: 301-405-8985; EML: khaligh@ece.umd.edu; URL: http:/www.ece.umd.edu/~akhaligh Grading: Homework Mid-Term Exam 1 Mid-Term Exam
School: Maryland
Electrical and Computer Engineering Department University of Maryland College Park, MD 20742-3285 Glenn L. Martin Institute of Technology A. James Clark School of Engineering Fall 2010 Dr. Charles B. Silio, Jr. Telephone 301-405-3668 Fax 301-314-9281 sil
School: Maryland
ENEE244: Digital Logic Design Fall, 2011 Lecture Times: Monday & Wednesday 11:30 am - 12:15 pm Classroom: Room 1102, Martin Hall (EGR 1102) Instructor/Office: Professor Kazuo Nakajima/Room 2345, A. V. Williams Bldg. Contact Information: By phone 301-405-3
School: Maryland
ENEE244: Digital Logic Design Fall 2012 Course Syllabus Lecture: M,W 3:00-4:45pm, EGR 0108 Sections 0101-0103 Instructor: Joseph JaJa, 3433 A.V. Williams Bldg; 301-405-1925, josephj@umd.edu Course Objectives: Students are supposed to learn the basic techn
School: Maryland
ENEE 646: Digital Computer Design Fall 2004 Handout #1 Course Information and Policy Room: CHE 2108 TTh 2:00p.m. - 3:15p.m. http:/www.ece.umd.edu/class/enee646 Donald Yeung 1327 A. V. Williams (301) 405-3649 yeung@eng.umd.edu http:/www.ece.umd.edu
School: Maryland
ENEE 322: Signal and System Theory Course Information Fall 2002 General Information Course Information: Title: Lecture: Recitation: ENEE 322: Signal and System Theory TuTh 12:30 1:45, PLS 1140 Section 0301 Fri 1:00 - 1:50 EGR 1104 Section 0302 Mon
School: Maryland
ENEE 222 0201/2 HOMEWORK ASSIGNMENT 1 Due Tue 02/05/13 Problem 1A Consider the complex numbers z1 = 4 5 j and z2 = 2 + 7j (i) (2 pts.) Plot both numbers on the complex plane. (ii) (2 pts.) Evaluate |zi | and zi for both values of i (i = 1, 2). 2 (iii) (6
School: Maryland
ENEE222: HW Assignment #2 Due Tue 9/25/2012 1. Answer the following questions. (a) Consider the frequency f0 = 420 Hz and the sampling rate fs = 600 samples/sec. List all the aliases of f0 with respect to fs in the frequency range 0.0 to 3.0 kHz. (b) If w
School: Maryland
ENEE 241 02 HOMEWORK ASSIGNMENT 3 Due Tue 02/22 Problem 3A (i) (4 pts.) Consider the frequency f0 = 180 Hz and the sampling rate fs = 640 samples/sec. List all the aliases of f0 with respect to fs in the frequency range 0.0 to 2.5 kHz. (ii) (2 pts.) If we
School: Maryland
HW #2 From the Book: ENEE 205- Fall 2011 Due Sept 29 by 9:30AM Read Chapter 3 (Having already read Chapters 1 & 2) 1 k Problem #1 - John explains to Jasmine, after the battery in his calculator died, that a 9 Volt battery can be used to charge a 3Volt bat
School: Maryland
Course: Analog And Digital Eletronics
Homework #8 (Horiuchi) Fall 2013 Solution Sheet Vdd Due: Tuesday, November 19, 2013 (in class) M2 3*IB V2 Problem #1 folded cascode (3 pts) In the circuit on the right, V1, V2, and V3 are all fixed DC M3 voltages. M2 provides the DC current (3*IB)
School: Maryland
1. Convert the following binary numbers to decimal: (a) 1101; (b) 10111001. (a) 1101 = 1.23 + 1.22 + 0.21 + 1.20 = 8 + 4 + 0 + 1 = (13)10. (b) 10111001 = 1 + 8 + 16 + 32 + 128 (written in backwards order) = 185. 2. Convert the following decimal numbe
School: Maryland
School: Maryland
Course: Elements Of Discrete Signal Analysis
ENEE222: HW Assignment #1 Solution Due Tue 9/18/2012 1. Consider the complex numbers z 1 = 4 5j and z 2 = 2 + 7j (a) Plot both numbers on the complex plane. (b) Evaluate |zi | and zi for both values of i (i = 1, 2). 2 (c) Express each of z1 + 3z2 , z1 + 2
School: Maryland
Electrical and Computer Engineering Department University of Maryland College Park, MD 20742-3285 Glenn L. Martin Institute of Technology A. James Clark School of Engineering Dr. Charles B. Silio, Jr. ENEE 244 Problem Set 1 (Due: Class 3, Thurs., Februa
School: Maryland
Course: Electronic Circuits Design Laboratory
Introduction The objective of this lab is to examine the effect of frequency on circuit performances. Analysis, Design and Practical Realization Low frequency response of CE amplifier experiment First we designed a CE amplifier circuit with mid band gain
School: Maryland
ENEE 241 02* HOMEWORK ASSIGNMENT 18 Due Tue 04/28 (i) (2 pts.) In the lecture notes, you will nd the Fourier series for the symmetric (even) rectangular pulse train of unit height and duty factor . Write down both the complex and real (cosines-only) form
School: Maryland
Course: Capstone Design Project: Optical System Design
ENEE 408E Optical System Design Design Problems #5, Due Tuesday, November 17, 2009 Questions like (1), (2), (5), (7), (10) and (11) are potential topics for the next examination. (1)A graded index (GRIN) medium has 22 n(r) = n0 ea r , Derive its ray trans
School: Maryland
Course: Electric Machines
Scott R. Smith ENEE473 Lab 5: Three-Phase Induction Machine Equivalent Circuit Model March 9, 2007 Purpose: This experiment will allow me to determine the equivalent circuit model parameters for the three-phase induction machine. The equivalent circ
School: Maryland
Course: Digital Circuits And Systems Laboratory
LABORATORY 2 - Synchronous and Asynchronous Counters Lab Goals The main purpose of this lab is to introduce the basic laboratory procedures necessary to evaluate simple digital circuits: how to convert logic diagrams into circuit diagrams, how to use b
School: Maryland
ENEE244: Homework #5 (1101), Assigned: 03/12/11, Due: 12:30 pm, 03/17/11 Notes: You are required to show the process to derive your solution. Otherwise, only 10% partial credit will be given. 1.* We are to design a combinational network to display each va
School: Maryland
Course: Analog And Digital Eletronics
HW1 solns sheet Horiuchi (1) Note that the wire in the center can have current running through it, but it will be all at the same potential. Lets call the potential on this node, Vx. In this problem, the circuit can be collapsed into two series resistors
School: Maryland
Course: Analog And Digital Eletronics
Homework #1 ENEE 303 (Horiuchi, Fall 2011) Due: Tuesday, Sept 6th, 2011 (in class) Your goal in the homework is to both explain to me how one solves the problem and to solve for the actual answer. Correct final answers are only a part of the solution. Be
School: Maryland
School: Maryland
Course: Digital Circuits And Systems Laboratory
Laboratory1:Introduction 1.1 Objectives The objectives of this laboratory are: To become familiar with the Agilent InfiniiVision 2000 X series oscilloscope and its built-in function generation DVM, with which you will learn to acquire, save, and manipulat
School: Maryland
Course: Random Process
Transience and Recurrence (Persistence) of States For a time-homogeneous Markov chain X0 , X1 , X2 , with a countable state space S, a state i is said to be recurrent or persistent, if with probability 1 there exists some nite n, such that Xn = i given th
School: Maryland
Course: Random Process
Important Corollary to the Markov Property Corollary to the Markov Property: For a Markov chain X0 , X1 , X2 , with a countable state space S, we have: n+m n1 n+m P Xn+1 A|Xn = sn , X0 B = P Xn+1 A|Xn = sn for all A S m , B S n , and sn S. The following s
School: Maryland
Course: Random Process
Linear Prediction of WSS Random Processes In order to construct the mathematical framework for prediction of WSS processes, we went through the following steps: Step 1. Choosing L2 as a function space endowed with inner product. For X, Y L2 (, F, P ), we
School: Maryland
Course: Random Process
Cherno Bounds and Bernsteins Inequality Consider a sequence of random variables X1 , X2 , which are zero-mean and i.i.d. with a moment generating function MX (s) dened over s (s0 , s0 ). We want to establish the following bounds, known as the Cherno bound
School: Maryland
Course: Random Process
Proofs of The Borel-Cantelli Lemmas The First Borel-Cantelli Lemma: For a countable sequence of events A1 , A2 , dened over a probability space (, F, P ), we have: P (An ) < = P lim sup An =0 n n1 Proof. Recall the denition of limit superior: lim sup An :
School: Maryland
Course: Random Process
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School: Maryland
Course: Random Process
ENEE 620 RECITATION 9 1. The random vector X = [X1 X2 X3 ]T has mean zero and covariance CX 2 1 = 1 2 1 1 2 (i) Express CX in the form CX = LLT , where L is a real-valued lower triangular matrix. What is the range of allowable values of ? (ii) What lin
School: Maryland
Course: Random Process
ENEE 620 RECITATION 11 1. For what values of a is rn = (a + |n|)2|n| the autocorrelation function of some wide-sense stationary seequence? (Use k k=0 z = (1 z)1 and k k=1 kz = z(1 z)2 for |z| < 1.) 2. Consider the wide-sense stationary sequence X , where
School: Maryland
Course: Random Process
ENEE 620 RECITATION 10 1. Consider a Gaussian vector X = (X1 , X2 ) with characteristic function X (u) = exp j(u1 4u2 ) 4u2 6u1 u2 9u2 1 2 (i) Write an expression for the joint pdf fX1 X2 (x1 , x2 ). (ii) Determine the characteristic function of Y = X1 X2
School: Maryland
Course: Random Process
ENEE 620 RECITATION 8 1. Let X1 be i.i.d. uniform over (0, 1]. (i) What is the almost sure limit of X1 + + Xn Xn = ? n (ii) If Xi = Xi Icfw_Xi 2/3 , what is the almost sure limit of Vn = X1 + + Xn ? n (iii) What is the almost sure limit of Yn = (X1 X2 Xn
School: Maryland
Course: Random Process
ENEE 620 RECITATION 7 1. Let X be uniformly distributed over [1/2, 1/2). Derive and sketch its moment generating function MX (s) and characteristic function X (u). How would you approximate both functions by quadratic polynomials in the vicinity of the or
School: Maryland
Course: Random Process
ENEE 620 RECITATION 6 1. Let X be a nonnegative random variable whose distribution is absolutely continuous except possiblyfor a discrete mass at the origin. (i) Show that E[X] = 0 (1 FX (x) dx (ii) How are the cdfs of X and Y = X related? Derive an expre
School: Maryland
Course: Random Process
ENEE 620 RECITATION 4 1. Consider the Markov chain X0 with state space S = cfw_1, 2, 3, 4, 5 and transition probability matrix 1 0 0 0 0 1 0 0 0 1 0 0 P = , 0 0 1 0 0 0 1 where all entries containing letters are nonzero. If the distribution of X0 is uni
School: Maryland
Course: Random Process
ENEE 620 RECITATION 5 1. (i) Suppose that X has absolutely continuous distribution, and let Y = mincfw_|X|, 1 Determine the cdf and pdf of Y in terms of the cdf and pdf of X. (ii) A fair coin is tossed. If it comes up heads, we set W = X (as above). Other
School: Maryland
Course: Random Process
Convergence of Random Variables Review Let = [0, 1) with (as usual) F being the Borel -eld and P [ ] the Lebesgue measure. For each of the following sequences X1 , determine which modes of convergence are applicable and the limit variable X (or distributi
School: Maryland
Course: Random Process
ENEE 620 RECITATION 2 1. A coin whose sides are labeled 0 and 1 is tossed an innite number of times. The probability of 1 (in any particular toss) is given by p (0, 1). Denote the resulting innite sequence of 0s and 1s by . (i) Let M be a xed integer, and
School: Maryland
Course: Random Process
Appendix of recitation 2 Consider the i.i.d. sequence X1 , X2 , X3 , . . . of random variables such that Xi cfw_1, 2, 3, . . . and (i) P (Xn = i) = pi > 0 Let Yn = 1 with probability 1. For n 2, let Yn = 1 if the value of Xn has not been observed previous
School: Maryland
Course: Random Process
ENEE 620 RECITATION 3 1. Let U and S be two discrete sets, and let f be a mapping S U S. Let (Un , n 1) be an i.i.d. sequence with range U, and let X0 be independent of the sequence (Un ). (i) Show that the sequence (Xn , n 1) dened iteratively by Xn = f
School: Maryland
Course: Random Process
ENEE 620 RECITATION 1 1. A biased coin has P [H] = p, where 0 < p < 1. It is tossed an innite number of times. Let A be the event that, starting at some point, the sequence of outcomes exhibits periodic behavior, i.e., a certain string (of arbitrary lengt
School: Maryland
Course: Random Process
Convergence of Random Variables Review Quiz Solutions Let = [0, 1) with (as usual) F being the Borel -eld and P [ ] the Lebesgue measure. For each of the following sequences X1 , determine which modes of convergence are applicable and the limit variable X
School: Maryland
Course: Random Process
Markov Chain Convergence Notes X0 is an irreducible time-homogeneous Markov chain S = Z or subset thereof j is an arbitrary xed state in S Xn ? Positive Recurrent (e.g., S nite) Null Recurrent (e.g., symmetric random walk) Transient (e.g., asymmetric r
School: Maryland
Course: Random Process
Markov Convergence Review X0 is an irreducible time-homogeneous Markov chain S = Z or subset thereof j is an arbitrary xed state in S Xn ? Positive Recurrent Null Recurrent Transient Yn = Icfw_Xn =j ? Zn = n k=1 Yk ?
School: Maryland
Course: Random Process
Convergence of Random Variables Review Quiz Let = [0, 1) with (as usual) F being the Borel -eld and P [ ] the Lebesgue measure. For each of the following sequences X1 , determine which modes of convergence are applicable and the limit variable X (or distr
School: Maryland
Course: Random Process
Answers to the Self-Evaluation Quiz Problem 1. 1 1 . 25 210 5 2 Problem 2. Problem 3. 5 2 10 4 . 1 . 4 6 Problem 4. (2m 1) 161 m= 4.47. 36 36 m=1 Problem 5. 1/4 -4 Problem 6. fY (y) = -3 -2 -1 1 2 . (2y + 1)2 Problem 7. c = 6. Problem 8. Ecfw_X|Y = a = P
School: Maryland
Course: Random Process
Undergraduate Probablity Background: Self-Assessment Quiz for ENEE 620 January 27, 2014 Ideally, you should be able to solve six or more of the following problems with no diculty at all. No more than two problems should be appear to be completely novel or
School: Maryland
Course: Random Process
ENEE620 Homework 8 Solution Due 12/04/2014 Problem 1. Let (X, Y ) be a zero-mean Gaussian vector with correlation matrix 1 1 , where | < 1. (i) Find the linear MMSE estimator of X 2 given Y and the corresponding MSE. Solution: Note that E[X 2 Y ] = 0 due
School: Maryland
Course: Random Process
ENEE620 Homework 9 Solution Due 12/11/2014 Problem 1. Let cfw_Xn and cfw_Yn be jointly WSS and Gaussian random processes with mean zero, autocorrelation functions RX (k) = RY (k) = exp(|k|), and cross-correlation function RXY (k) := E[Xn Yn+k ] = 0.5 ex
School: Maryland
Course: Random Process
ENEE620 Homework 7 Solution Problem 1. The random vector X = (X1 , X2 , X3 ) has 4 2 CX = 2 5 2 3 Due 11/25/2014 covariance matrix 2 3 7 (i) Determine a lower-triangular matrix A and its inverse A1 , such that the vector Z given by X = AZ Z = A1 X has u
School: Maryland
Course: Random Process
ENEE620 Homework 4 Soultion Due 10/21/2014 Problem 1. Determine and sketch the pdf and cdf of the random variables X1 , X2 , . . . , X5 generated by the following MATLAB script: 1 w = rand(1); 2 3 X1 = 4*tan(pi*w/3); 4 5 X2 = (w>1/2)*(w<5/6); 6 7 8 X3 = -
School: Maryland
Course: Random Process
ENEE620 Homework 2 Solution Due 09/30/2014 Problem 1. Consider the probability space consisting of the unit interval (0, 1], the Borel -eld and the Lebesgue (uniform) probability measure. X() is the second digit in the binary expansion of (taking values i
School: Maryland
Course: Random Process
ENEE620 Homework 5 Solution Due 11/04/2014 Problem 1. The following parts are independent: (i) Let X, Y L2 (, F, P). If E[X|Y ] = Y and E[Y |X] = X, then show that P(X = Y ) = 1. Solution: We have: E[XY ] = E[E[XY |Y ] = E[Y E[X|Y ] = E[Y 2 ] Similarly, E
School: Maryland
Course: Random Process
ENEE620 Homework 1 Solution Due 09/18/2014 Problem 1. Let = cfw_0, 1, 2, 3, . Let G be the collection of subsets of such that A G if and only if either A or Ac is a nite set. (i) Is G a eld? Solution: 1) is nite, so G, and therefore, c = G. 2) If A G, the
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Course: Random Process
ENEE620 Homework 3 Solution Problem 1. Consider a Markov chain with matrix 1/3 0 0 1/2 1/3 1/6 P= 0 0 0 0 0 0 Due 10/07/2014 state space cfw_1, 2, , 6 and transition probability 2/3 0 0 0 1/2 0 0 0 1/2 0 0 0 1/4 1/4 1/2 0 0 0 1/2 1/2 0 0 1/6 5/6 (
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Course: Random Process
ENEE620 Homework 6 Solution Due 11/11/2014 Problem 1. X1 , X2 , . . . are i.i.d. exponential with unknown parameter . Let Xi be the +Xn integer part of Xi ; and let Yi equal 1 if Xi is odd, 0 if Xi is even. Let Xn = X1 +X2n and Yn = Y1 +Y2 +Yn . Find real
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Course: Random Process
ENEE620 Homework 9 Due 12/11/2014 Problem 1. Let cfw_Xn and cfw_Yn be jointly WSS and Gaussian random processes with mean zero, autocorrelation functions RX (k) = RY (k) = exp(|k|), and cross-correlation function RXY (k) := E[Xn Yn+k ] = 0.5 exp(|k 3|).
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Course: Random Process
ENEE620 Homework 8 Due 12/04/2014 Problem 1. Let (X, Y ) be a zero-mean Gaussian vector with correlation matrix 1 1 , where | < 1. (i) Find the linear MMSE estimator of X 2 given Y and the corresponding MSE. (ii) Let X := E[X 2 |Y ]. Find the MSE of the e
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Course: Random Process
ENEE620 Homework 7 Problem 1. The random vector X = (X1 , X2 , X3 ) has 4 2 CX = 2 5 2 3 Due 11/25/2014 covariance matrix 2 3 7 (i) Determine a lower-triangular matrix A and its inverse A1 , such that the vector Z given by X = AZ Z = A1 X has uncorrelat
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Course: Random Process
ENEE620 Homework 4 Due 10/21/2014 Problem 1. Determine and sketch the pdf and cdf of the random variables X1 , X2 , . . . , X5 generated by the following MATLAB script: 1 w = rand(1); 2 3 X1 = 4*tan(pi*w/3); 4 5 X2 = (w>1/2)*(w<5/6); 6 7 8 X3 = -3*log(w);
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Course: Random Process
ENEE620 Homework 3 Problem 1. Consider a Markov chain with matrix 1/3 0 0 1/2 1/3 1/6 P= 0 0 0 0 0 0 Due 10/07/2014 state space cfw_1, 2, , 6 and transition probability 2/3 0 0 0 1/2 0 0 0 1/2 0 0 0 1/4 1/4 1/2 0 0 0 1/2 1/2 0 0 1/6 5/6 (i) Identi
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Course: Random Process
ENEE620 Homework 6 Due 11/11/2014 Problem 1. X1 , X2 , . . . are i.i.d. exponential with unknown parameter . Let Xi be the +Xn integer part of Xi ; and let Yi equal 1 if Xi is odd, 0 if Xi is even. Let Xn = X1 +X2n and Yn = Y1 +Y2 +Yn . Find real-valued f
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Course: Random Process
Transience and Recurrence (Persistence) of States For a time-homogeneous Markov chain X0 , X1 , X2 , with a countable state space S, a state i is said to be recurrent or persistent, if with probability 1 there exists some nite n, such that Xn = i given th
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Course: Random Process
Important Corollary to the Markov Property Corollary to the Markov Property: For a Markov chain X0 , X1 , X2 , with a countable state space S, we have: n+m n1 n+m P Xn+1 A|Xn = sn , X0 B = P Xn+1 A|Xn = sn for all A S m , B S n , and sn S. The following s
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Course: Random Process
Linear Prediction of WSS Random Processes In order to construct the mathematical framework for prediction of WSS processes, we went through the following steps: Step 1. Choosing L2 as a function space endowed with inner product. For X, Y L2 (, F, P ), we
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Course: Random Process
Cherno Bounds and Bernsteins Inequality Consider a sequence of random variables X1 , X2 , which are zero-mean and i.i.d. with a moment generating function MX (s) dened over s (s0 , s0 ). We want to establish the following bounds, known as the Cherno bound
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Course: Random Process
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Course: Random Process
Convergence of Random Variables Review Let = [0, 1) with (as usual) F being the Borel -eld and P [ ] the Lebesgue measure. For each of the following sequences X1 , determine which modes of convergence are applicable and the limit variable X (or distributi
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Course: Random Process
Markov Chain Convergence Notes X0 is an irreducible time-homogeneous Markov chain S = Z or subset thereof j is an arbitrary xed state in S Xn ? Positive Recurrent (e.g., S nite) Null Recurrent (e.g., symmetric random walk) Transient (e.g., asymmetric r
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Course: Intermediate Programming Concepts For Engineers
Programming notes 11/26 Project 2 (assignement 10-12) Homework 9 with additions of extra documents (for example others who are following your work) (non programmer or engineer can understand) (making a manual for program 9)(and maintainer document that ca
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Course: Intermediate Programming Concepts For Engineers
/GSLexample.c wmh 2013-11-11 : test for GSL on Glue / at $: tap gsl / to compile: $ gcc -Wall GSLexample.c -o GLS.out -I$GSL_INC -L$GSL_LIB -Wl,-Bstatic -lgsl -lgslcblas -Wl,-Bdynamic -lc -lm #include <stdio.h> #include <gsl/gsl_sf_bessel.h> int main (voi
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Course: Intermediate Programming Concepts For Engineers
Figure 8.4: A Full Adder for Implementing a Look-ahead Carry Adder In this circuit, the two internal signals Pi and Gi are given by: Pi = Ai Bi . . (1) Gi = Ai Bi. (2) The output sum and carry bits can then be defined as: Si = Pi Ci . (3) Ci+1 = Gi + PiCi
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Course: Intermediate Programming Concepts For Engineers
int SIGS; int MODS; int current; / Functions to read Inputs, Outputs, Wires and Modules int sig_read(char *str)cfw_ int w=1, i=2, o=3; if (strncmp (str," wire",7) = 0) cfw_ return w; else if (strncmp (str," input",9) = 0) cfw_ return i; else
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Course: Intermediate Programming Concepts For Engineers
Ibuf This design element is automatically inserted (inferred) by the synthesis tool to any signal directly connected to a top-level input or in-out port of the design. You should generally let the synthesis tool infer this buffer. However, it can be i
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Course: Computer Securit
Secure Storage ENEE 459-C Cloud computing today Enterprises Universities Individuals Developers Are there any threats? Cloud providers are untrusted Can lose data Can return corrupted results Can leak information we will have no liability to you for a
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Course: Computer Securit
RSA accumulators 1 Can we reduce the proof size? So far all the methods we have seen have proof size at least logarithmic Can we reduce the proof size? Yes! By changing the cryptographic primitive Are we loosing anything? 2 RSA Accumulator Exponential a
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Course: Computer Securit
ENEE 459-C Computer Security Security protocols (continued) Key Agreement: Diffie-Hellman Protocol Key agreement protocol, both A and B contribute to the key Setup: p prime and g generator of Zp*, p and g public. ga mod p gb mod p Pick random, secret a Co
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Course: Computer Securit
ENEE 459-C Computer Security Web Security Web, everywhere Many tasks are done through web Online banking, online shopping Database access System administration Web applications and web users are targets of many attacks Information leakage Cross sit
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Course: Computer Securit
Internet Layers Application Application Transport Transport Network Network Network Network Link Link Link Link Ethernet Fiber Optics Physical Layer Wi-Fi ARP requests and responses IP: 192.168.1.1 MAC: 00:11:22:33:44:01 Data IP: 192.168.1.105 MAC: 00:11:
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Course: Computer Securit
ENEE 459-C Computer Security Rainbow tables Reduction Function A reduction function maps a hash value to a password from a given password space Example reduction function p = R(x) Consider 256-bit hash values and 8-character passwords from an alphabet
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Course: Computer Securit
Network Security Circuit and Packet Switching Circuit switching Packet switching Legacy phone network Internet Single route through sequence of hardware devices established when two nodes start communication Data split into packets Packets transpor
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Course: Computer Securit
ENEE 459-C Computer Security Operating Systems Security A Computer Model An operating system has to deal with the fact that a computer is made up of a CPU, random access memory (RAM), input/output (I/O) devices, and long-term storage. I/O CPU 0 1 2 3 4 5
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Course: Computer Securit
ENEE 459-C Computer Security Access Control and Information Flow Permissions How to describe a systems protection mechanism Such as who has what access rights to which objects Access control model A model for security policy specification Basic model
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Course: Computer Securit
ENEE 459-C Computer Security Authentication and passwords Select a Password Choose a case-sensitive alphanumeric password That is, your password should use the following characters 0123456789 abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ Let
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Course: Computer Securit
ENEE 459-C Computer Security Digital signatures and security protocols Signatures: The Problem Consider the real-life example where a buyer pays by credit card and signs a bill The buyer, however, later can potentially deny his signature Easy to fake s
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Course: Computer Securit
ENEE 459-C Computer Security Symmetric key encryption in practice: DES and AES algorithms A perfect encryption of a block Say you have a block of n bits You want to encrypt it You want to use the same key all the time but NOT have the problem of ONE TIME
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Course: Computer Securit
ENEE 459-C Computer Security RSA and ElGamal encryption Last lecture Euclidean algorithm Multiplicative inverses Order of a group Order of a group: Number of elements contained in the group What is the order of Z*p=cfw_1,2,p-1 The multiplicative grou
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Course: Computer Securit
ENEE 459-C Computer Security Digital signatures and security protocols The Big Picture Secret Key Setting Secrecy / Confidentiality Authenticity / Integrity Stream ciphers Block ciphers + encryption modes: AES, DES Message Authentication Code: SHA-2 Publi
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Course: Computer Securit
ENEE 459-C Computer Security Introduction Organization Class webpage http:/enee459c.github.io Two lectures per week Tuesday & Thursday 12.30 pm - 1.45 pm PHY 1219 Attendance and participation is important My information cpap at umd.edu Office hou
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Course: Computer Securit
ENEE 459-C Computer Security Public key encryption (continue from previous lecture) Euclids GCD Algorithm Euclids algorithm for computing the GCD repeatedly applies the formula gcd(a, b) = gcd(b, a mod b) Example Algorithm EuclidGCD(a, b) Input integers
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Course: Computer Securit
ENEE 459-C Computer Security Public key encryption (continue from previous lecture) Review of Secret Key (Symmetric) Cryptography Confidentiality block ciphers with encryption modes Integrity Message authentication code (keyed hash functions) Limitat
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Course: Computer Securit
ENEE 459-C Computer Security Message authentication (continue from previous lecture) Last lecture Hash function Cryptographic hash function Message authentication with hash function (attack?) with cryptographic hash function (attack?) Find collisions
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Course: Computer Securit
ENEE 459-C Computer Security Message authentication and PKI Limitation of Using Hash Functions for Authentication Require an authentic channel to transmit the hash of a message Without such a channel, it is insecure, because anyone can compute the hash
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Course: Computer Securit
ENEE 459-C Computer Security Message authentication Data Integrity and Source Authentication Encryption does not protect data from modification by another party. Why? Need a way to ensure that data arrives at destination in its original form as sent by
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Course: Electromagnetic Theory
ENEE 380 ELECTROMAGNETIC THEORY Spring Semester 2003. Lecture Times: TuTh 12:30 - 1:45, CHE 2110 Index Numbers: Section 0101 23198; Section 0102 23199 Discussion Sections: 0101: M 1:00pm- 1:50pm (EGR 3102) 0102: M 4:00pm- 4:50pm (EGR 3102) Instructor: Pro
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BJT structure heavily doped ~ 10^15 provides the carriers lightly doped ~ 10^8 lightly doped ~ 10^6 note: this is a current of electrons (npn case) and so the conventional current flows from collector to emitter. BJT characteristics BJT characteristics BJ
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17 Electrons in the Periodic Potential of a Crystal The discussion of the properties of metals in the previous chapter was based on a free-electron model (or rather: a gas of neutral fermionic particles) in an empty box. The classical Drude model and the
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Current Components inside Bipolar Junction Transistor (BJT) NPN BJT BJTIVcharacteristics Last class we derived the current equations in forward active for npn transistor I C =I S e recombination of holes and collectors in base qVBE kT qADn ni2 IS = WB N A
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Bipolar Junction Transistor Concepts Forward Active NPN BJT Operation VC > VB > VE Fundamentals A BJT is often considered to be a current amplifier because a small current entering the base will typically result in a large current into the collector. Or w
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10 Chapter I Models for Integrated-Circuit Active Devices The breakdown voltage is calculated using RI = Large-Signal Behavior of Bipolar Transistors = r in (1.24) to give r- ) 0 e(NA + N = 5 x15x1O 2 1.04xlO x9xlO 2x 1.6 x lO x 5 x lO x 1016 = 88V V C La
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ENEE 205 Sections 0101 0104 Lecture #27 Final exam: Tuesday, May 15st May 9, 2012 8:00 10:00 AM The questions on the final exam will be on the topics covered in lectures, home work assignments, pre-labs and post labs. 1 Straight line approximations in Bod
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Course: Social And Ethical Dimensions Of Engineering Technology
Iniese Umah ENEE 200 Paper 3 Ethical Dilemma An engineer employed by Universal Avionics faces an ethical dilemma. The ethical dilemma has to do with the decision the engineer has to make, as he is faced with two difficult choices of decision. The engineer
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A A.1 Solutions to exercises on complex numbers. addition and multiplication Evaluate the expression and write your answer in the form a + bi. (1.) (5 6i) + (3 + 2i) Solution. 8 4i. 1 (2.) (4 2 i) (9 + 5 i) 2 Solution. 5 3i. (3.) (2 + 5i)(4 i) Solution. (
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ENEE 222: Final Exam Review Richard J. La Fall 2012 Cascade of LTI systems Suppose that two LTI systems are put in a series, i.e., cascade Overall system is also LTI with impulse response Frequency response of the overall system Response of an LTI syst
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Richard J. La Fall 2012 Inner product of two vectors Norm of a vector Orthogonal vectors Orthogonal projection of a onto b Closest point to a on the straight line along b Solution to Solution to the linear least squares approximation where V consists
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A id.cfw_ertr i\avla"o d+ e^al^ hoda th. ailq!14.lr,?- vo\'\^t|6f +\s 4 a\cr.,lacfw_e io+a\itn pe4a.ce brdncf\' d +h4' qx(r* in ealh f C c/q J i" 4. d u ora+ in .$,rcbox? V'Vcos(,"o+) ! . l- s i^i rJ+) AissiPatA? tJha+ i5 cfw_t's ?6Def b in ldcbo'c? bha |
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Course: Numerical Techniques For Engineers
ENEE241 Final Exam Review, Version 2.0 Steve Tjoa Dept. of Electrical and Computer Engineering, University of Maryland December 14, 2010 1. Let a and b be two complex numbers, where a = |a|ej a = aR + jaI and b = |b|ej b = bR + jbI . Simplify the followin
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Course: Analog And Digital Electronics
, . ( V I,J I -,)(. -h-t t,", \ ) rl I . ~. ~' I " . '~ ,(, " '.,~ ~ I , ~ /\ I - ~ Vi \ l~ . I f K \IL j Av ;- - -J ~l. .- +- r!l (t f) ~ f-' - - - - ~. . ~ ~ ")(r.J . . (,;, -j f (2. ( r\;t ~. L ( J,'/ \I " Jcfw_ , yo \ .;. I t IT ' , \ t, -I r J ;' (I
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Course: Numerical Techniques For Engineers
ENEE241 Final Exam Review, Version 2.0 Solutions Steve Tjoa Dept. of Electrical and Computer Engineering, University of Maryland December 15, 2010 1. Let a and b be two complex numbers, where a = |a|ej a = aR + jaI and b = |b|ej b = bR + jbI . Simplify th
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Course: Numerical Techniques For Engineers
ENEE241 Final Exam Review, Version 1.0 Solutions Steve Tjoa Dept. of Electrical and Computer Engineering, University of Maryland December 14, 2010 1. Let a and b be two complex numbers, where a = |a|ej a = aR + jaI and b = |b|ej b = bR + jbI . Simplify th
School: Maryland
Course: Numerical Techniques For Engineers
ENEE241 Final Exam Review, Version 1.0 Steve Tjoa Dept. of Electrical and Computer Engineering, University of Maryland December 14, 2010 1. Let a and b be two complex numbers, where a = |a|ej a = aR + jaI and b = |b|ej b = bR + jbI . Simplify the followin
School: Maryland
Course: Intermediate Programming Concepts For Engineers
ENEE150 Midterm 2 Review I. String Review A. Character utilities A.1. #include <ctype.h> A.2. int isupper (int c) isupper returns true only for the characters defined as upper case letters A.3. int islower (int c) The islower function tests for any charac
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hHqpqigWY d p h T CA HbE`fad eA c 1YXW9USQHIG EECA VTRP FDB 3 7 5 3 ( % # ! @98$642 10)'&$" p qp h qr r q q k q q k r q k q r q k q q q h q qk k qk k r p qk qh r q r vr r k x H UC g @Q EChHqvqHqqm h
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Notes for ENEE 664: Optimal Control Andr L. Tits e DRAFT August 2008 Contents 1 Motivation and Scope 1.1 Some Examples . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.2 Scope of the Course . . . . . . . . . . . . . . . . . .
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Course: Technology Choices
Deion Baker ENEE 131- Technology Choices Short Paper #2 The piece of modern technology I chose to analyze is the high speed train. The high speed rail is different from other train systems as it operates at a significantly higher speed than the normal spe
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Course: Technology Choices
Deion Baker Short Paper #1 9-28-10 The Amish view of technology and technological change is very misunderstood by modern society. I feel as though their approach to technology use can be seen as efficient. The Amish have selectively incorporated technolog
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Course: Social And Ethical Dimensions Of Engineering Technology
Iniese Umah ENEE 200 Paper 4 Gift vs. Bribe In the engineering practice, it is important for an engineer to be able to distinguish between bribes and gifts. Lets consider the case of Max, an engineer who is a U.S citizen and is trying to establish his com
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Course: Computer Organization
Sequentialcircuitdesign Nowletsreversetheprocess:Insequentialcircuitdesign,weturnsomedescriptionintoa workingcircuit. Wefirstmakeastatetableordiagramtoexpressthecomputation. Thenwecanturnthattableordiagramintoasequentialcircuit. Sequentialcircuitdesign
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Welcome to ENEE 205 Electric Circuits Lecture 24 Bode Plots of Active Filters 1 Midterm Grade Distribution Good Job! 2 Recap: Different filters can be created with LRC circuit (passive filters) L C R vS(t) H L (s) high-pass H C (s) low-pass s 2 LC 2 s L
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Welcome to ENEE 205 Basic Circuit Theory Lecture 18 OPAMPS III ProblemSolvingOPAMPCircuits Circuit1(38) Circuit2(911) Circuit3(12) Circuit4(1315) Circuit4(16) OPAMPComparator&SchmittTrigger(1822) RelaxationOscillator(2224) 1 ProblemSolvingwithOPAM
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WelcometoENEE205 BasicCircuits Lecture22 TransferfunctionsandTransients 1 TransferFunctions Steps: 1. Look carefully at circuit and see if Norton/Thevenin equivalents are going to be useful. 2. Apply usual current or voltage division, remember to set 1 Z
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Welcome to ENEE 205 Basic Circuit Theory Lecture 17 OPAMPS II HWproblemdependentsource(25) OPAMPSampleCircuitExamples Differentiator(8) Integrator(9) PhasorSolution(1012) GeneralTechnique(1315) BuildingIntuition(1620) PositiveFeedbackCircuitsandOs
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Welcome to ENEE 205 Electric Circuits Lecture 11 OUTLINE Recap: key points equivalent transformations (2) Thevenin and Norton Theorem (3-9) Example: Thevenin in resistive ckts (10-13) Thevenin and Norton Equivalence (14-19) Example: Illustration of T/N fo
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Welcome to ENEE 204 Basic Circuit Theory Lecture 21 Chap. 7.4, Transfer Functions Lecture23 1 Transfer Functions! This is a technique to circumvent the derivation of the differential equation, immediately determine the characteristic equation and the part
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Welcome to ENEE 205 Electric Circuits Lecture 20 Second Order Circuits GeneralOverview UndampedwithNoSources(36) DampedwithNoSources(79) UnderdampedLRC(1013) CriticallyDampedLRC(1415) OverdampedLRC(1618) DampedwithSources(19) Underdampedw/ConstantSourc
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Welcome to ENEE 205 Electric Circuits Lectures 19 Transient Analysis Understanding Time Varying Signals Transient and Steady State Solutions for Differential Equations First Order Circuit Reading: M and L, Chapter 7 1 Transient Analysis Goal of Transie
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Welcome to ENEE 205 Electric Circuits Lecture 15 Dependent Sources and Amplifiers: 12/05/14 Clarification on HW6 (2-4) MOSFET Small Signal Model (5-12) MESH Analysis (13-43) Thevenin and Norton Equivalent for Dependent Sources(44-48) Examples with Transis
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Welcome to ENEE 205 Electric Circuits Lecture 14 Nodal Analysis With Dependent Sources Outline Recap: Nodal with Independent Sources (2-5) Nodal Method for Dependent Sources (6-11) Special Case2 (13-17) Example (Cases2&3) (18-20) MOSFET Transistors LAB6 (
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Welcome to ENEE 205 Electric Circuits Lecture 19 Operational Amplifiers TradeTypes: LM741gardenvariety LF356highgain,highinputimpedance OPA541highpower AD8000highspeed (manyothers) 1 Lab:LM741DIPPackage(DualinLine) PositivePowerSupplyRail NegativePowerSup
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Welcome to ENEE 205 Electric Circuit Theory Lecture 12 Recap of Lecture 11 Example: Thevevin in Resistive Ckt (2-7) Example: Thevenin/Norton using Spositon(8-14) Impedance Matching: Zs*=ZL (15-21) Realistic Models of Components (22-24) Graphical Solutio
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Welcome to ENEE 205 Electric Circuits Lecture 13 Nodal Analysis 12/05/14 1 InLab5youaredealingwithanonlinear load(LED) Simple model Calculate current as a function of VDC Power into the load ? 2 .andanonlinearsource(solarcell) Very large slope I= V RL 1 S
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Welcome to ENEE 205 Circuits Lecture 10 Simplifying Circuits By Superposition -Superposition to find zin (2-5) -Superposition to unknown current (6-12) -Superposition to unknown voltage (13-14) Simplifying Circuits with Symmetry(15-23) Non-symmetric Circu
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Welcome to ENEE 205 Electric Circuits Lecture 9 Equivalent Transformations & Connections Midterm 1 Reminder: October 10. -Review of Series and Parallel Connections (2-8) -Voltage and Current Division (9-17) -Input Impedance, Using Transformations(18-24) -
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Welcome to ENEE 205 Electric Circuits Lecture 8: Power in Steady State AC Signals -Definition of Power Terms, RMS (2-7) - Example for Resistors -Time Averages of Sinusoids: Digression (8-11) -Power in Capacitors (12-16) -Power in arbitrary impedance, Powe
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Welcome to ENEE 205 Fall 2013 Lecture 1 Outline 1. Course Details (1-3) 2. Elements of Circuit Theory (5-9) 3. Motivation and Practical Examples - Charging a Cell Phone (10-18) - Optical Communication (19-22) 4. Basic Concepts (23-27) - Circuit Quantities
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Welcome to ENEE 205 Electric Circuits Lecture 6: How to replace differential equations into systems of linear equations in circuit problems Comparison RC and purely resistive ckts: (2-3) Review of Complex Nos. (4-16) Phasors in AC Circuits (17-19) Impedan
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Welcome to ENEE 205 Electric Circuits Lecture 7 AC Signals in Steady State Lecture 6 Recap: (2-7) Defining impedance related quantities (8) Numerical example of using Phasors for RC ckt (9-15) Valuable Tips (16-22) General Method for Solving Time Dependen
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Welcome to ENEE 205 Electric Circuits Lecture 5 Sinusoids (Harmonic) Functions Introduction to AC Quantities (2-3) Circuit Analysis with Sinusoidal Quantities (4-10) - understanding amplitude, angular frequency and phase Phase Shift Theorem (12-14) Co
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Welcome to ENEE 205 Fall 2013 Lecture 2 Review of Basic Electricity (2-8) Terminal relations Resistance and Ohms Law (9-16) Capacitance and TR (17-21) Inductance and TR (22-29) Power and Energy (30-36) Important Concepts for Lab1 (37) 9/4/2013 1 Electr
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Welcome to ENEE 205 Electric Circuits- Lecture 4 Circuit Analysis using Kirchhoffs Laws 1.Example KVL/KCL using Matlab: Purely Resistive Circuit With One Known Current Source (3-10) 2.Sample LRC Circuit: KVL/KCL and TR in differential forms (11-16) 3.Simp
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Welcome to ENEE 205 Electrical Circuits Lecture 3 Recap of Lecture 2 (1-8) Identifying Parts of Circuit(12-15) Kirchhoffs Laws (9-11,12-18) - Recipe for finding the set of linearly independent equations (19-27) Announcement: HW 1, typo capacitor on 12/
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Samuel Rodriguez Ph.D. Proposal University of Maryland Department of Electrical and Computer Engineering Comparative Analysis of Contemporary Cache Power Reduction Techniques Ph.D. Dissertation Proposal Samuel V. Rodriguez Motivation Samuel Rodriguez Ph.D
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Verilog Tutorial By Deepak Kumar Tala http:/www.asicworld.com 1 DISCLAIMER I don't makes any claims, promises or guarantees about the accuracy, completeness, or adequacy of the contents of this tutorial and expressly disclaims liability for errors and omi
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7/22/2014 http:/www.ece.umd.edu/class/enee359a.S2007/scaling.gif scaling.gif (1445802) 1/1
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CSCI 320 Handbook on Verilog Page 1 CSCI 320 Computer Architecture Handbook on Verilog HDL By Dr. Daniel C. Hyde Computer Science Department Bucknell University Lewisburg, PA 17837 Copyright 1995 By Daniel C. Hyde August 25, 1995 Updated August 23, 1997 C
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7/22/2014 ENEE 359A: Digital VLSI Design by B. Jacob ENEE 359A: Digital VLSI Circuits by B. Jacob Spring 2007 Course Information: Lecture: Mailing List: Required Text: Recommended Texts: Tue Thu 2:00 - 3:15, EGR-3114 enee359a-0101-spring07@coursemail.umd.
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ENEE 359a Lecture/s 14+15 Parasitics Bruce Jacob University of Maryland ECE Dept. SLIDE 1 ENEE 359a Digital VLSI Design Some Parasitics & How to Deal with Them Prof. Bruce Jacob blj@eng.umd.edu Credit where credit is due: Slides contain original artwork (
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Realization of Verilog HDL Computation Model CSCI 320 Computer Architecture By Dr. Daniel C. Hyde Department of Computer Science Bucknell University October 1997 Copyright 1997 By Daniel C. Hyde Realization of Verilog HDL Computation Model Page 2 1. Intro
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ENEE 359a Lecture/s 1+2 Overview Bruce Jacob University of Maryland ECE Dept. SLIDE 1 ENEE 359a Digital VLSI Design Course Overview: Transistors to Systems Prof. Bruce Jacob blj@eng.umd.edu Credit where credit is due: Slides contain original artwork ( Jac
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ENEE 359a Lecture/s 9 Transistor Sizing Bruce Jacob University of Maryland ECE Dept. SLIDE 1 ENEE 359a Digital VLSI Design Transistor Sizing & Logical Effort Prof. Bruce Jacob blj@ece.umd.edu Credit where credit is due: Slides contain original artwork ( J
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ENEE 359a Lecture/s 10+11 Interconnects Bruce Jacob University of Maryland ECE Dept. SLIDE 1 ENEE 359a Digital Electronics Interconnects Prof. Bruce Jacob blj@eng.umd.edu Credit where credit is due: Slides contain original artwork ( Jacob 2004) as well as
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ENEE 359a Lecture/s 16-19 System Timing Bruce Jacob University of Maryland ECE Dept. SLIDE 1 ENEE 359a Digital VLSI Design System Timing: Conventions, Problems, Solutions Prof. Bruce Jacob blj@ece.umd.edu Credit where credit is due: Slides contain origina
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ENEE 359a Lecture/s 12-15 Sequential Logic Bruce Jacob University of Maryland ECE Dept. SLIDE 1 ENEE 359a Digital VLSI Design Sequential Logic Prof. Bruce Jacob blj@eng.umd.edu Credit where credit is due: Slides contain original artwork ( Jacob 2004) as w
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ENEE 359a Lecture/s 23-25 DRAM Circuits Bruce Jacob University of Maryland ECE Dept. SLIDE 1 ENEE 359a Digital VLSI Design CMOS Memories and Systems: Part II, DRAM Circuits Prof. Bruce Jacob blj@eng.umd.edu Credit where credit is due: Slides contain origi
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ENEE 359a Lecture/s 20-22 DRAM Systems Bruce Jacob University of Maryland ECE Dept. SLIDE 1 ENEE 359a Digital VLSI Design CMOS Memories and Systems: Part I, DRAM Systems Prof. Bruce Jacob blj@ece.umd.edu Credit where credit is due: Slides contain original
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ENEE 359a Lecture/s 3-5 Transistors & CMOS Inverter Bruce Jacob University of Maryland ECE Dept. SLIDE 1 ENEE 359a Digital VLSI Circuits P/N Junction, MOS Transistors, CMOS Inverter Prof. Bruce Jacob blj@eng.umd.edu Credit where credit is due: Slides cont
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ENEE 359a Lecture/s 6+7 Static CMOS Logic Bruce Jacob University of Maryland ECE Dept. SLIDE 1 ENEE 359a Digital VLSI Design Static CMOS Logic Prof. Bruce Jacob blj@eng.umd.edu Credit where credit is due: Slides contain original artwork ( Jacob 2004) as w
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ENEE 302H Lecture/s 8 Manufacturing Dave Wang University of Maryland ECE Dept. SLIDE 1 ENEE 302H, Fall 2004 Digital Electronics Manufacturing David Wang davewang@eng.umd.edu Credit where credit is due: Slides contain original artwork ( Wang 2004) as well
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7/21/2014 ENEE114 Lecture 1 (Spring 2003) ENEE114-Spring 2003 Lecture 1 (January 28, 2003) Programming Process (1) Write a C program (2) Build a project (3) Compile and Link it with library files; (4) Execute it; (5) If not satisfied, modify the program a
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7/21/2014 ENEE114 Lecture 2 (Spring 2003) ENEE114-Spring 2003 Lecture 3 (February 4, 2003) Basic Arithmetic Operations in C +, -, * /, % Add, Subtract, Multiply, Integer Divide, Remainder while, do-while and for statements while (expression) statement; do
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7/21/2014 ENEE114 Lecture 2 (Spring 2003) ENEE114-Spring 2003 Lecture 2 (January 30, 2003) Writing on the standard output (printf) Syntax printf("format",empty, identifiers and/or expressions); Examples int a = 3; char b = 'B'; float c = 2.25, d = 3.35; c
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7/21/2014 ENEE114 Lecture 4 (Spring 2003) ENEE114-Spring 2003 Lecture 4 (February 6, 2003) Lexical Elements of C A C program is a sequence of characters that is converted to tokens. Tokens are sequences of characters that have special meanings in the C la
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7/21/2014 ENEE114 Lecture 5 (Spring 2003) ENEE114-Spring 2003 Lecture 5 (February 11, 2003) Assignment (Accumulation) Operators += Example: a =1; a += 3; /* a becomes 4 */ a += expression => a = a + expression; -= Example: a =1; a -= 3; /* a becomes -2 */
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7/21/2014 ENEE114 Lecture 2 (Spring 2003) ENEE114-Spring 2003 Lecture 6 (February 13, 2003) Program Flow Control Statements Relational Operators if if-else for while goto switch break continue do-while = < > <= >= != Logic Operators | & ! Examples Program
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7/21/2014 ENEE114 Lecture 2 (Fall 2002) ENEE114-Spring,2003 Lecture 13 (March 6 , 2003) Fundamental Data Types LONG FORMATS signed char char signed short int signed int unsigned short unsigned int int float double ALTERNATIVE FORMATS unsigned char signed
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7/21/2014 ENEE114 Lecture 2 (Fall 2002) ENEE114-Spring 2003 Lecture 7 (February 20, 2003) Program Flow(Cont'd) + Introduction to CFunctions Control Statements Relational Operators if = if-else < for > while <= goto >= switch != break Logic Operators defau
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7/21/2014 ENEE114 Lecture 2 (Fall 2002) ENEE114-Spring 2003 Lecture 8 (February 20, 2003) Program Flow(Cont'd) + Introduction to C Functions Control Statements Relational Operators if = if-else < for > while <= goto >= switch != break Logic Operators defa
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7/21/2014 ENEE114 Lecture 2 (Fall 2002) ENEE114-Spring 2003 Lecture 9 (February 25, 2003) C Functions + Structured Programming Functions calling one another int function_a(int p) int main(void) cfw_ p = p+1; printf("0\n",p); cfw_ function_b(p); return 0;
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7/21/2014 ENEE114 Lecture 2 (Fall 2002) ENEE114-Spring 2003 Lecture 10 (March 4 , 2003) Character Processing Character (ASCII) Codes int main(void) cfw_print(0,31); printf("\n"); Character print(32,47); printf("\n"); Decimal Hexadecimal Type print(48,57);
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7/21/2014 ENEE114 Lecture 2 (Fall 2002) ENEE114-Spring 2003 Lecture 16 Pointers, Parameter Passing, and Storage Classes (Continued) Pointers are addresses that point to locations in computer memory. Parameter Passing Address operator: & - returns the addr
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7/21/2014 ENEE114 Lecture 2 (Fall 2002) ENEE114-Spring 2003 Lecture 14 Mathematical Functions, and Type Conversion and Casting in C Example operations: +,-,*,/,% integer arithmetic: Example functions: pow(x),abs(x) Example functions: cos(x),sin(x),sqrt(x)
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7/21/2014 ENEE114 Lecture 2 (Fall 2002) ENEE114-Spring 2003 Lecture 18 (April 10, 2003 Arrays, Strings, and Pointers Sna: ytx Eape: xmls Dcaain elrto: itvco[]=cfw_,2- n etr3 11,1; tp ietfe[.]=cfw_.cfw_. ye dniir].[ cfw_..; ca srn16 = hr tig[] cfw_s,t,r,i,
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7/21/2014 ENEE114 Lecture 2 (Fall 2002) ENEE114-Spring 2003 Lecture 15 Pointers, Parameter Passing, and Storage Classes Pointers are addresses that point to /* Lecture locations in computer memory. 15: Program 1*/ Address operator: & - returns the address
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7/21/2014 ENEE114 Lecture 2 (Fall 2002) ENEE114-Spring 2003 Lecture 17 Storage Classes (Continued) Storage Classes The storage class of a variable determines how its scope will be applied to the statements in programs. auto (default class) Example: auto i
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7/21/2014 ENEE114 Lecture 2 (Fall 2002) ENEE114-Spring 2003 Lecture 22 INPUT/OUTPUT WITH FILES int fprintf(FILE * file, const char * format, .); int fscanf (FILE * file, const char * format, .); FILE * fopen (const char * name, const char * mode); int fcl
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7/21/2014 ENEE114 Lecture 2 (Fall 2002) ENEE114-Spring 2003 Lecture 19 Arrays, Strings, and Pointers (Continued) Matrix Addition, Transpose, and Multiplication EapeMti Tasoe xml:arx rnps Mti t Tasoe a r xI s r n p s [2] [4] 13 17 [5] [5] 46 28 [8] [6] 79
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7/21/2014 ENEE114 Lecture 2 (Fall 2002) ENEE114-Spring 2003 Lecture 20 Passing Array Parameters and Dynamic Memory Allocation Ary aepse b ras r asd y rfrnei C eeec n . fnto_( ucina) cfw_n ary]=cfw_, it ra[ 123; #nld <ti.> icue sdoh #nld <tlbh icue sdi.> f
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Course: Random Process
ENEE 620 RECITATION 9 1. The random vector X = [X1 X2 X3 ]T has mean zero and covariance CX 2 1 = 1 2 1 1 2 (i) Express CX in the form CX = LLT , where L is a real-valued lower triangular matrix. What is the range of allowable values of ? (ii) What lin
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Course: Random Process
ENEE 620 RECITATION 11 1. For what values of a is rn = (a + |n|)2|n| the autocorrelation function of some wide-sense stationary seequence? (Use k k=0 z = (1 z)1 and k k=1 kz = z(1 z)2 for |z| < 1.) 2. Consider the wide-sense stationary sequence X , where
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Course: Random Process
ENEE 620 RECITATION 10 1. Consider a Gaussian vector X = (X1 , X2 ) with characteristic function X (u) = exp j(u1 4u2 ) 4u2 6u1 u2 9u2 1 2 (i) Write an expression for the joint pdf fX1 X2 (x1 , x2 ). (ii) Determine the characteristic function of Y = X1 X2
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Course: Random Process
ENEE 620 RECITATION 8 1. Let X1 be i.i.d. uniform over (0, 1]. (i) What is the almost sure limit of X1 + + Xn Xn = ? n (ii) If Xi = Xi Icfw_Xi 2/3 , what is the almost sure limit of Vn = X1 + + Xn ? n (iii) What is the almost sure limit of Yn = (X1 X2 Xn
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Course: Random Process
ENEE 620 RECITATION 7 1. Let X be uniformly distributed over [1/2, 1/2). Derive and sketch its moment generating function MX (s) and characteristic function X (u). How would you approximate both functions by quadratic polynomials in the vicinity of the or
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Course: Random Process
ENEE 620 RECITATION 6 1. Let X be a nonnegative random variable whose distribution is absolutely continuous except possiblyfor a discrete mass at the origin. (i) Show that E[X] = 0 (1 FX (x) dx (ii) How are the cdfs of X and Y = X related? Derive an expre
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Course: Random Process
ENEE 620 RECITATION 4 1. Consider the Markov chain X0 with state space S = cfw_1, 2, 3, 4, 5 and transition probability matrix 1 0 0 0 0 1 0 0 0 1 0 0 P = , 0 0 1 0 0 0 1 where all entries containing letters are nonzero. If the distribution of X0 is uni
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Course: Random Process
ENEE 620 RECITATION 5 1. (i) Suppose that X has absolutely continuous distribution, and let Y = mincfw_|X|, 1 Determine the cdf and pdf of Y in terms of the cdf and pdf of X. (ii) A fair coin is tossed. If it comes up heads, we set W = X (as above). Other
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Course: Random Process
ENEE 620 RECITATION 2 1. A coin whose sides are labeled 0 and 1 is tossed an innite number of times. The probability of 1 (in any particular toss) is given by p (0, 1). Denote the resulting innite sequence of 0s and 1s by . (i) Let M be a xed integer, and
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Course: Random Process
Appendix of recitation 2 Consider the i.i.d. sequence X1 , X2 , X3 , . . . of random variables such that Xi cfw_1, 2, 3, . . . and (i) P (Xn = i) = pi > 0 Let Yn = 1 with probability 1. For n 2, let Yn = 1 if the value of Xn has not been observed previous
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Course: Random Process
ENEE 620 RECITATION 3 1. Let U and S be two discrete sets, and let f be a mapping S U S. Let (Un , n 1) be an i.i.d. sequence with range U, and let X0 be independent of the sequence (Un ). (i) Show that the sequence (Xn , n 1) dened iteratively by Xn = f
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Course: Random Process
ENEE 620 RECITATION 1 1. A biased coin has P [H] = p, where 0 < p < 1. It is tossed an innite number of times. Let A be the event that, starting at some point, the sequence of outcomes exhibits periodic behavior, i.e., a certain string (of arbitrary lengt
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Course: Random Process
Convergence of Random Variables Review Quiz Let = [0, 1) with (as usual) F being the Borel -eld and P [ ] the Lebesgue measure. For each of the following sequences X1 , determine which modes of convergence are applicable and the limit variable X (or distr
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Course: Random Process
Answers to the Self-Evaluation Quiz Problem 1. 1 1 . 25 210 5 2 Problem 2. Problem 3. 5 2 10 4 . 1 . 4 6 Problem 4. (2m 1) 161 m= 4.47. 36 36 m=1 Problem 5. 1/4 -4 Problem 6. fY (y) = -3 -2 -1 1 2 . (2y + 1)2 Problem 7. c = 6. Problem 8. Ecfw_X|Y = a = P
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Course: Random Process
Undergraduate Probablity Background: Self-Assessment Quiz for ENEE 620 January 27, 2014 Ideally, you should be able to solve six or more of the following problems with no diculty at all. No more than two problems should be appear to be completely novel or
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Course: Computer Organization
ENEE350H Fall 2003 Midterm Examination I Pages: 6 printed sides Name: _ Student ID: _ Time alloted: 1 hour 15 min Maximum score: 60 points University rules dictate strict penalties for any form of academic dishonesty. Looking sideways will be penalized. L
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ENEE 303 (Horiuchi) Exam #1 Solution Set E1) CV diode model Use the CV model of the diode with a threshold voltage of VD0. 1a) (1 pt) Solve for the inequality that indicates when D1 is conducting current. (i.e., D1 conducts current when xxxxxx >
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ENEE303Fall2014Exam#2(Horiuchi)Solutions VDD V DD Problem#1DCanalysis ThiscurrentmirrorusestransistorsthathavedifferentW/Lratios. FindanexpressionforVX,thevoltageonthedrainofM3.IGNOREthe IIN Earlyeffect. M2willbesaturatedbecauseitsdrainistiedtoVdd M1 M1an
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Name: UNIVERSITY OF MARYLAND Department of Electrical and Computer Engineering ENEE 205 - Electric Circuits Spring 2013 (sections 010x) Exam 2 Monday, April 8, 2013 11:00 am 12:15 pm Instructions Please write all of your answers directly on the exam in t
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Name: UNIVERSITY OF MARYLAND Department of Electrical and Computer Engineering ENEE 205 - Electric Circuits Spring 2012 (sections 020x) Exam 3 Tuesday, May 17, 2012 1:30 pm 3:30 pm Instructions Do not turn over this page until you are instructed to do so
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ENEE 204 Final Exam May 20, 1999 1. Derive the expression for VO(t) as a function of VS1(t) and VS2. (t) Assume that the operational amplifiers are ideal. (15 points) 100 k 1F + VS1 10 k 90 k 100 k 1F + + 1 k 100 + VS2 - - 10 k 20 + 100 k Vo 50k 1 2. Cons
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ENEE 204, Fall 2003 Exam 3 UNIVERSITY OF MARYLAND Department of Electrical and Computer Engineering ENEE 204 - Basic Circuit Theory Fall 2003 (sections 010x) Exam 3 Tuesday December 16, 2003 8:00am 10:00am Instructions Do not turn over this page until yo
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Name: UNIVERSITY OF MARYLAND Department of Electrical and Computer Engineering ENEE 205 - Electric Circuits Spring 2013 (sections 010x) Exam 3 Tuesday, May 14, 2013 8:00 am 10:00 am Instructions Please write all of your answers directly on the exam in th
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UNIVERSITY OF MARYLAND Department of Electrical and Computer Engineering ENEE 204 - Basic Circuit Theory Fall 2004 (sections 020x) Exam 3 Thursday December 16, 2004 8:00am 10:00am Instructions Do not turn over this page until you are instructed to do so.
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Name: UNIVERSITY OF MARYLAND Department of Electrical and Computer Engineering ENEE 205 - Electric Circuits Spring 2013 (sections 010x) Exam 1 Monday, February 25, 2013 11:00 am 12:15 pm Instructions Please write all of your answers directly on the exam
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Name: UNIVERSITY OF MARYLAND Department of Electrical and Computer Engineering ENEE 204 - Basic Circuit Theory Fall 2005 (sections 020x) Exam 4 Monday, December 19, 2005 8:00 am 10:00 am Instructions Do not turn over this page until you are instructed to
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Name: UNIVERSITY OF MARYLAND Department of Electrical and Computer Engineering ENEE 204 - Basic Circuit Theory Spring 2007 (sections 010x) Instructions Exam 3 Monday, May 14, 2007 8:00 am 10:00 am Do not turn over this page until you are instructed to do
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Name: UNIVERSITY OF MARYLAND Department of Electrical and Computer Engineering ENEE 205 - Electric Circuits Spring 2012 (sections 020x) Exam 2 Tuesday, April 10, 2012 12:30 pm 1:45 pm Instructions Do not turn over this page until you are instructed to do
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ENEE 204, Fall 2004 Problem E2.1 Exam 2 (10 pts) 2 k 6 k 20 15 k k 195 V 24 k i 1 k 18 k Calculate the current i in the above circuit. Problem E2.2 (12 pts) 4 k 5 cos (20,000t) (mA) 0.4 H 3 k v1(t) 12.5 nF Calculate the voltage v1 (t) in the above circuit
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ENEE 204, Fall 2003 Problem E2.1 Exam 2 (30 points) In the following circuit, the nodes have already been labelled for you, and a reference node has been selected. A 8V 10 D C 20 B 20 20 6V 0.3 A ref (a) The node-voltage equations for this circuit may
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Name: UNIVERSITY OF MARYLAND Department of Electrical and Computer Engineering ENEE 205 - Electric Circuits Spring 2012 (sections 020x) Exam 1 Tuesday, February 28, 2012 12:30 pm 1:45 pm Instructions Do not turn over this page until you are instructed to
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ENEE 204, Fall 2005 Problem E2.1 Exam 2 (27 pts) In this problem, you are encouraged to use your calculator to perform the complex arithmetic, but you must write down your intermediate steps to receive credit. The following circuit is operating in the AC
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ENEE 204, Spring 2007 Problem E2.1 Exam 2 (15 pts) In the following circuit, the angular frequency is = 20, 000 rad/s. You may assume that the circuit is in the AC steady state. 150 mH 10 cos(t) (V) 2 k 50 nF i1 Calculate i1 (t) in the above circuit, with
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Name: UNIVERSITY OF MARYLAND Department of Electrical and Computer Engineering ENEE 204 - Basic Circuit Theory Spring 2009 (sections 010x) Exam 1 Wednesday, February 18, 2009 3:30 am 4:45 pm Instructions Do not turn over this page until you are instructe
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PROBLEM 1 (15 pts.) The continuous-time signal x(t) = 2 + cos(140t 0.8) + 3 cos(200t + 1.9) is sampled at rate fs = 300 samples/sec starting at t = 0 sec. (i) (4 pts.) Write an equation for x[n], i.e., the nth sample produced. Let S be the DFT of the 30-p
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PROBLEM 1 (15 pts.) Let x(t) = 2.3 + 1.4 cos(36t + 0.7) + 8.1 cos(90t 1.9) + 4.7 cos(108t + 2.5) , where t is in seconds. (i) (3 pts.) Determine the fundamental period T0 of x(t). (ii) (4 pts.) Dene (i.e., give the numerical values of) a scalar c and a ve
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PROBLEM 1 (15 pts.) (i) (4 pts.) What do the equations |z| = |z + 2 j 2| |z| = 1 where z is a variable point, represent on the complex plane? (ii) (4 pts.) Sketch the two lines/curves represented by the two equations in part (i). Show any points of tang
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ENEE 222 Signals and Systems Spring 2012 Test 2 4/11/2012 Solutions Closed book, no calculators. All problems count the same 25 points cfw_ Problem 1: (a) Calculate the DFT of the signal x[n] = ,n = 0,1,., N 1 . (b) Find the n 1 k=0 0 k = 1,2,., N 1 si
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ENEE 222 Signals and Systems Fall 2011 Final Exam 2011-12-19 All problems count the same Problem 1: Suppose x(t) is the causal signal shown in the figure. (The sequence continues to t.) Let X(f) be the Fourier transform of x(t). Find 2 X ( f ) df . Draw a
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ENEE 222 Signals and Systems Fall 2011 Sample Test 1 2011-09-23 - Solutions Problem 1. Prove that the following statements are equivalent: (1) The equation Ax=b has a solution for any vector b. (2) The equation Av=0 has the unique solution x=0. Give a car
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ENEE 303 Midterm Exam 1 Solution 1. Shows that for the inverting amplifier if the op-amp gain is A, the input resistance is given by = 1 + 2 +1 R2 ii vi R1 v- vo v+ Fig. 1 Solution: = = 2 (5 ) 2 = (1 + ) (5 ) = 2 (5 ) 1+ Again = 1 + = 1 + 2 (5 ) 1
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ENEE 303 Midterm Exam 2 Solution 1. Explain NMOS operation modes and provide iD equations in each operating mode. (20 points) Solution: a) Cut off region When VGS < Vth. The transistor is turned off. iD = 0. b) Triode region (2 points) (2 points) When VGS
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Course: ELECTROMAGNETIC WAVE PROPAGATION
ENEE 381 Problem Set #6 A guide for studying for the nal. Optional for handing in. One or two of these questions will be on the nal examination. (1) A parallel plate waveguide with plate spacing of 10mm allows TM and TE waves to propagate provided they ar
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Course: ELECTROMAGNETIC WAVE PROPAGATION
ENEE 381 Problem Set #5 11/16/04 - due 11/30/04 These questions will be good to review for the next examination (1) RWD 6.4f (2) RWD 6.8a (3) RWD 6.6d (4) RWD 6.12a (5) RWD 6.12c (6) RWD 6.14b (7) RWD 6.14e (8) A microwave stripline has 2 parallel conduct
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Course: ELECTROMAGNETIC WAVE PROPAGATION
ENEE 381 Problem Set #3 9/31/04- due 10/12/04 THE FIRST EXAMINATION IS ON NOVEMBER 2, 2004 Questions like (1) - (5) could be on the rst examination. (1) The electric vector of a wave propagating in the z -direction varies according to Ey = E0 cos( x/2a)ej
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Course: ELECTROMAGNETIC WAVE PROPAGATION
ENEE 381 Problem Set #1 9/9/04 - due 9/16/04 (1)(380 Review) The current density in a certain region is 6 r J = 0.1e10 t/r in spherical coordinates. At t=1s how much current is crossing the surface r=5? (2) (380 review) A current density J = 5A/m2 exists
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Course: ELECTROMAGNETIC WAVE PROPAGATION
ENEE 381 Problem Set #2 9/16/04 - due 9/28/04 (1) Calculate the electric eld and magnetic eld amplitudes produced 1km from a radio transmitter whose output is 4W at 100MHz. The waves coming from the transmitter are spherical, but to a good approximation t
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ENEE 425: Digital Signal Processing Spring Semester, 2014 Mid Term 2 Due: March 5, 12 : 00 pm, online on canvas Total Score: 40 points (+20 points Bonus) Time: 48 hours Instructions: The question paper consists of 1 MATLAB problem, with a total of 40 poi
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Final Exam: ENEE 313 Part I (30pts): A BJT has the emitter doped with NDE donors, the base with NAB acceptors, and the collector doped NDC donors. 1. Describe qualitatively how a BJT works in forward active mode. Include the various components of the curr
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Exam Study Guide Emphasizes Homeworks 6 through 9 Exam covers assigned sections of Chps. 3,4 & 5. Exam will also assume some basic information from the early part of the semester. It will assume you know the basic information from the earlier part of th
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Exam Study Practice Do all the reading assignments. Be able to solve all the homework problems without your notes. Re-do the derivations we did in class on your own. Equations given: See Formula Posted Exam Study Questions for Crystals What is a cryst
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ENEE 313 Formula Sheet I x I 0e x d n r n0 p0 n n 2 dt dn x J ndiff qDn dx dp x J pdiff qDp dx J ndrift qn n x E x J pdrift q p p x E x E x D n t dV x dx kT q Dn 2 n n x 2 n p 2 p p Dn t x 2 n Ln Dn n Lp Dp p kT N A N D for PN junction ln q
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Course: Signal And System Theory
Department of Electrical and Computer Engineering University of Maryland College Park, Maryland ENEE 322 Signal and System Theory A. Tits N. Shro March 6, 2012 First Mid-Term Examination Question 1 (4 pts): Suppose that the discrete-time signal x[n] = exp
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Course: Elements Of Discrete Signal Analysis
PROBLEM 1 (10 pts.) A FIR lter has impulse response h[n] = b0 [n] + b1 [n 1] + b2 [n 2] + b3 [n 3] + b4 [n 4] and amplitude response |H(ej )| = | cos 2 2 cos | (i) (4 pts.) Assuming that b0 > 0, determine the values of b0 , . . . , b4 . (ii) (3 pts.) Dete
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Course: Elements Of Discrete Signal Analysis
PROBLEM 1 (10 pts.) Calculator allowed. Consider a hypothetical calculator capable of performing additions, subtractions, multiplications and divisions, as well as computing integer powers of real numbers. All these computations are performed with four-di
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Course: Elements Of Discrete Signal Analysis
PROBLEM 1 (15 pts.) (i) (4 pts.) What do the equations |z| = |z 6 8j| |z| = 5 where z is a variable point, represent on the complex plane? Sketch the corresponding lines. (ii) (3 pts.) Do the two lines in (i) intersect, and if so, at which point(s)? Par
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Course: Elements Of Discrete Signal Analysis
PROBLEM 1 (15 pts.) (i) (6 pts.) Sketch the curve on the complex plane given by |z 4 + 2j| = 5 Find the maximum values of here.) (ii) (9 pts.) Let ecfw_z and mcfw_z as z ranges over this curve. (No calculus is needed x(t) = A cos(t + ) + 3 2 sin(t + /4) ,
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ENEE 222 0201/2 HOMEWORK ASSIGNMENT 1 Due Tue 02/05/13 Problem 1A Consider the complex numbers z1 = 4 5 j and z2 = 2 + 7j (i) (2 pts.) Plot both numbers on the complex plane. (ii) (2 pts.) Evaluate |zi | and zi for both values of i (i = 1, 2). 2 (iii) (6
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ENEE222: HW Assignment #2 Due Tue 9/25/2012 1. Answer the following questions. (a) Consider the frequency f0 = 420 Hz and the sampling rate fs = 600 samples/sec. List all the aliases of f0 with respect to fs in the frequency range 0.0 to 3.0 kHz. (b) If w
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ENEE 241 02 HOMEWORK ASSIGNMENT 3 Due Tue 02/22 Problem 3A (i) (4 pts.) Consider the frequency f0 = 180 Hz and the sampling rate fs = 640 samples/sec. List all the aliases of f0 with respect to fs in the frequency range 0.0 to 2.5 kHz. (ii) (2 pts.) If we
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HW #2 From the Book: ENEE 205- Fall 2011 Due Sept 29 by 9:30AM Read Chapter 3 (Having already read Chapters 1 & 2) 1 k Problem #1 - John explains to Jasmine, after the battery in his calculator died, that a 9 Volt battery can be used to charge a 3Volt bat
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Course: Analog And Digital Eletronics
Homework #8 (Horiuchi) Fall 2013 Solution Sheet Vdd Due: Tuesday, November 19, 2013 (in class) M2 3*IB V2 Problem #1 folded cascode (3 pts) In the circuit on the right, V1, V2, and V3 are all fixed DC M3 voltages. M2 provides the DC current (3*IB)
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1. Convert the following binary numbers to decimal: (a) 1101; (b) 10111001. (a) 1101 = 1.23 + 1.22 + 0.21 + 1.20 = 8 + 4 + 0 + 1 = (13)10. (b) 10111001 = 1 + 8 + 16 + 32 + 128 (written in backwards order) = 185. 2. Convert the following decimal numbe
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Course: Elements Of Discrete Signal Analysis
ENEE222: HW Assignment #1 Solution Due Tue 9/18/2012 1. Consider the complex numbers z 1 = 4 5j and z 2 = 2 + 7j (a) Plot both numbers on the complex plane. (b) Evaluate |zi | and zi for both values of i (i = 1, 2). 2 (c) Express each of z1 + 3z2 , z1 + 2
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Electrical and Computer Engineering Department University of Maryland College Park, MD 20742-3285 Glenn L. Martin Institute of Technology A. James Clark School of Engineering Dr. Charles B. Silio, Jr. ENEE 244 Problem Set 1 (Due: Class 3, Thurs., Februa
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ENEE 241 02* HOMEWORK ASSIGNMENT 18 Due Tue 04/28 (i) (2 pts.) In the lecture notes, you will nd the Fourier series for the symmetric (even) rectangular pulse train of unit height and duty factor . Write down both the complex and real (cosines-only) form
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ENEE244: Homework #5 (1101), Assigned: 03/12/11, Due: 12:30 pm, 03/17/11 Notes: You are required to show the process to derive your solution. Otherwise, only 10% partial credit will be given. 1.* We are to design a combinational network to display each va
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Course: Analog And Digital Eletronics
HW1 solns sheet Horiuchi (1) Note that the wire in the center can have current running through it, but it will be all at the same potential. Lets call the potential on this node, Vx. In this problem, the circuit can be collapsed into two series resistors
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Course: Analog And Digital Eletronics
Homework #1 ENEE 303 (Horiuchi, Fall 2011) Due: Tuesday, Sept 6th, 2011 (in class) Your goal in the homework is to both explain to me how one solves the problem and to solve for the actual answer. Correct final answers are only a part of the solution. Be
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Course: Random Process
ENEE620 Homework 8 Solution Due 12/04/2014 Problem 1. Let (X, Y ) be a zero-mean Gaussian vector with correlation matrix 1 1 , where | < 1. (i) Find the linear MMSE estimator of X 2 given Y and the corresponding MSE. Solution: Note that E[X 2 Y ] = 0 due
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Course: Random Process
ENEE620 Homework 9 Solution Due 12/11/2014 Problem 1. Let cfw_Xn and cfw_Yn be jointly WSS and Gaussian random processes with mean zero, autocorrelation functions RX (k) = RY (k) = exp(|k|), and cross-correlation function RXY (k) := E[Xn Yn+k ] = 0.5 ex
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Course: Random Process
ENEE620 Homework 7 Solution Problem 1. The random vector X = (X1 , X2 , X3 ) has 4 2 CX = 2 5 2 3 Due 11/25/2014 covariance matrix 2 3 7 (i) Determine a lower-triangular matrix A and its inverse A1 , such that the vector Z given by X = AZ Z = A1 X has u
School: Maryland
Course: Random Process
ENEE620 Homework 4 Soultion Due 10/21/2014 Problem 1. Determine and sketch the pdf and cdf of the random variables X1 , X2 , . . . , X5 generated by the following MATLAB script: 1 w = rand(1); 2 3 X1 = 4*tan(pi*w/3); 4 5 X2 = (w>1/2)*(w<5/6); 6 7 8 X3 = -
School: Maryland
Course: Random Process
ENEE620 Homework 2 Solution Due 09/30/2014 Problem 1. Consider the probability space consisting of the unit interval (0, 1], the Borel -eld and the Lebesgue (uniform) probability measure. X() is the second digit in the binary expansion of (taking values i
School: Maryland
Course: Random Process
ENEE620 Homework 5 Solution Due 11/04/2014 Problem 1. The following parts are independent: (i) Let X, Y L2 (, F, P). If E[X|Y ] = Y and E[Y |X] = X, then show that P(X = Y ) = 1. Solution: We have: E[XY ] = E[E[XY |Y ] = E[Y E[X|Y ] = E[Y 2 ] Similarly, E
School: Maryland
Course: Random Process
ENEE620 Homework 1 Solution Due 09/18/2014 Problem 1. Let = cfw_0, 1, 2, 3, . Let G be the collection of subsets of such that A G if and only if either A or Ac is a nite set. (i) Is G a eld? Solution: 1) is nite, so G, and therefore, c = G. 2) If A G, the
School: Maryland
Course: Random Process
ENEE620 Homework 3 Solution Problem 1. Consider a Markov chain with matrix 1/3 0 0 1/2 1/3 1/6 P= 0 0 0 0 0 0 Due 10/07/2014 state space cfw_1, 2, , 6 and transition probability 2/3 0 0 0 1/2 0 0 0 1/2 0 0 0 1/4 1/4 1/2 0 0 0 1/2 1/2 0 0 1/6 5/6 (
School: Maryland
Course: Random Process
ENEE620 Homework 6 Solution Due 11/11/2014 Problem 1. X1 , X2 , . . . are i.i.d. exponential with unknown parameter . Let Xi be the +Xn integer part of Xi ; and let Yi equal 1 if Xi is odd, 0 if Xi is even. Let Xn = X1 +X2n and Yn = Y1 +Y2 +Yn . Find real
School: Maryland
Course: Random Process
ENEE620 Homework 9 Due 12/11/2014 Problem 1. Let cfw_Xn and cfw_Yn be jointly WSS and Gaussian random processes with mean zero, autocorrelation functions RX (k) = RY (k) = exp(|k|), and cross-correlation function RXY (k) := E[Xn Yn+k ] = 0.5 exp(|k 3|).
School: Maryland
Course: Random Process
ENEE620 Homework 8 Due 12/04/2014 Problem 1. Let (X, Y ) be a zero-mean Gaussian vector with correlation matrix 1 1 , where | < 1. (i) Find the linear MMSE estimator of X 2 given Y and the corresponding MSE. (ii) Let X := E[X 2 |Y ]. Find the MSE of the e
School: Maryland
Course: Random Process
ENEE620 Homework 7 Problem 1. The random vector X = (X1 , X2 , X3 ) has 4 2 CX = 2 5 2 3 Due 11/25/2014 covariance matrix 2 3 7 (i) Determine a lower-triangular matrix A and its inverse A1 , such that the vector Z given by X = AZ Z = A1 X has uncorrelat
School: Maryland
Course: Random Process
ENEE620 Homework 4 Due 10/21/2014 Problem 1. Determine and sketch the pdf and cdf of the random variables X1 , X2 , . . . , X5 generated by the following MATLAB script: 1 w = rand(1); 2 3 X1 = 4*tan(pi*w/3); 4 5 X2 = (w>1/2)*(w<5/6); 6 7 8 X3 = -3*log(w);
School: Maryland
Course: Random Process
ENEE620 Homework 3 Problem 1. Consider a Markov chain with matrix 1/3 0 0 1/2 1/3 1/6 P= 0 0 0 0 0 0 Due 10/07/2014 state space cfw_1, 2, , 6 and transition probability 2/3 0 0 0 1/2 0 0 0 1/2 0 0 0 1/4 1/4 1/2 0 0 0 1/2 1/2 0 0 1/6 5/6 (i) Identi
School: Maryland
Course: Random Process
ENEE620 Homework 6 Due 11/11/2014 Problem 1. X1 , X2 , . . . are i.i.d. exponential with unknown parameter . Let Xi be the +Xn integer part of Xi ; and let Yi equal 1 if Xi is odd, 0 if Xi is even. Let Xn = X1 +X2n and Yn = Y1 +Y2 +Yn . Find real-valued f
School: Maryland
Course: Random Process
ENEE620 Homework 5 Due 11/04/2014 Problem 1. The following parts are independent: (i) Let X, Y L2 (, F, P). If E[X|Y ] = Y and E[Y |X] = X, then show that P(X = Y ) = 1. (ii) Let X be exponential with parameter = 1. For t > 0, let Y1 = mincfw_X, t and Y2
School: Maryland
Course: Random Process
ENEE620 Homework 2 Due 09/30/2014 Problem 1. Consider the probability space consisting of the unit interval (0, 1], the Borel -eld and the Lebesgue (uniform) probability measure. X() is the second digit in the binary expansion of (taking values in cfw_0,
School: Maryland
Course: Random Process
ENEE620 Homework 1 Due 09/18/2014 Problem 1. Let = cfw_0, 1, 2, 3, . Let G be the collection of subsets of such that A G if and only if either A or Ac is a nite set. (i) Is G a eld? (ii) Is G a -eld? Problem 2. Consider the sample space = (0, 1] and the f
School: Maryland
ENEE 205 F2013 HW#6 Solutions 1. In the last HW you solved this problem using the the superposition principle. 96 V 72 A i Solve the above problem in another way. Use Thevenin's theorem to find the current i flowing through the 60 resistor. Use the follow
School: Maryland
ENEE 205 Electric Circuits Lab 6 Worksheet MOSFET Characterization Name: Caleb Kim, Kim C Date: 10/24/2013 6.1:CharacteristicsofaMOSFET Prelab:Watchtutorial:https:/vimeo.com/76493761 Connectthecircuitshownabove.TheIRF510ispackagedinthesocalledT0220shownab
School: Maryland
ENEE 205 HW #12 Problem 1. Given a transfer functions, construct the Bode plots of the amplitude for each one and state what kind of filter they represent. Download semi-log paper and use it for plotting. (1) Low-pass filter 20 |H1(jw)| in dB 0 -20 -40 -6
School: Maryland
Prof. T.E. Murphy's screencasts http:/vimeo.com/58626296 Resistance and Ohms Law http:/vimeo.com/58635419 Capacitance http:/vimeo.com/58635497 Kirchhoffs Current Law (KCL) http:/vimeo.com/58635554 KVL KCL Example http:/vimeo.com/58687134 Linear Systems To
School: Maryland
Semilog Paper PDF Library - http:/www.xuebrothers.net/pdf_lib/index.htm
School: Maryland
ENEE205 F2013 HW #5 Problem 1. Consider the following circuit and its equivalent representations: (a) Determine the values of the equivalent resistances R A, RB and RC . (b) Use the current divider relations to calculate i1 and i2. (c) Use your result fro
School: Maryland
Problem 1 R 2 1B 4k R 1 0V 1B 5 .8 4 2 V 2 - 4 2 . 5 0 4V VO P - 0 7 C / 3 0 1 / T I 3k O U T 3 0 U +2 7 6 0 V+ 1 .4 6 1 V R 3 4k 1B v 1 3 R 4 2k 1B 3 v 2 1 .4 6 1 V R 5 1k 1B 3 v 3 1 .4 6 1 V 1 .4 6 1 V 0 0V Problem 2 0 0V 0V 0V R 7 1B 10 k C 1 R 6 V4 10
School: Maryland
ENEE 205 Fall 2013 HW #7 Problem 1. Consider the circuit below, all resistors in Ohms. a. Label the nodes and solve for the voltages at those nodes using nodal analysis and show that the value of the current flowing through the 80 Ohm resistor is 1 A and
School: Maryland
ENEE 205 HW #3 z1 1 j 2 , z 2 2 1. Practice with Complex numbers. Let z 1 z 2 , z 1 z 2 * , z 1 z 2 a. b. Express z2,z3, and z2+z3 in terms of Rej. 1 , z 3 1 j j . Calculate z1 z 2 z 3 c. Calculate , and show results in both Cartesian and Polar represe
School: Maryland
ENEE 205 F2013 HW#6 1. In the last HW you solved this problem using the the superposition principle. 96 V 72 A i Solve the above problem in another way. Use Thevenin's theorem to find the current i flowing through the 60 resistor. Use the following proced
School: Maryland
ENEE205 F2013 HW #5 Problem 1. Consider the following circuit and its equivalent representations: (a) Determine the values of the equivalent resistances R A, RB and RC . (b) Use the current divider relations to calculate i1 and i2. (c) Use your result fro
School: Maryland
ENEE 205 HW #3 Due Sept 25, 2013 z1 1 j 2 , z 2 2 1. Practice with Complex numbers. Let 1 , z 3 1 j j . Calculate z 1 z 2 , z 1 z 2 , z 1 z 2 * a. b. Express z2,z3, and z2+z3 in terms of Rej. z1 z 2 z 3 c. Calculate , and show results in both Cartesian
School: Maryland
ENEE 205 Fall 2013 HW #10 Problem 1. In the circuit shown below, you may assume that the system has reached a steady state before the switch is closed at t = 0. (a) Calculate v(t )and i(t ). (b) Make a clearly-labeled sketch of v(t )and i(t ). To receive
School: Maryland
ENEE 205 HW # 11. 1. Calculate the transfer functionfor all four circuits shown below. Use MATLAB to plot the amplitude of the transfer functions expressed as versus for the frequency in the range 10Hz-1MHz. From the plot, identify that type of filter eac
School: Maryland
ENEE 205 HW #12 Problem 1. Given a transfer functions, construct the Bode plots of the amplitude for each one and state what kind of filter they represent. Download semi-log paper and use it for plotting. Problem 2. Consider the circuit shown below: (a) D
School: Maryland
ENEE 205 Home work #2. Problem 1. Practice on passive sign convention, KVL and KCL Fig. 1 The circuit above consists of 5 passive elements, one voltage source and one current source with known values. a) Using the passive sign convention, indicate the sig
School: Maryland
ENEE 205 HW # 9 Problem 1. Consider non-ideal operational amplifier circuit shown below. Vs=1mV, R1=1k, R2=100k, Rin=10 k, Rout=100, RL=50, a. What is the output voltage across the load resistor RL, with infinite A? Vs v2 - + R1 + v1 Rout Rin v3 - A (v2-v
School: Maryland
HW # 11. 1. Calculate the transfer functionfor all four circuits shown below. Use MATLAB to plot the amplitude of the transfer functions expressed as versus for the frequency in the range 10Hz-1MHz. From the plot, identify that type of filter each circuit
School: Maryland
ENEE 205 Fall 2013 HW #10 Problem 1. In the circuit shown below, you may assume that the system has reached a steady state before the switch is closed at t = 0. (a) Calculate v(t )and i(t ). (b) Make a clearly-labeled sketch of v(t )and i(t ). To receive
School: Maryland
ENEE 205 HW #4 Problem 1. MATLAB: Problem 2. On the circuit shown below, VS(t) = 100 sin (300 t /4) volts. a. Convert this problem to a phasor problem. Label all the variables and specify the reference directions for the voltages and currents. Write down
School: Maryland
ENEE 205 HW # 8 Operational amplifier circuits Problem 1. a. For a summing circuit with non-inverting input illustrated below, show that the output is given by . R2 R1 + R5 R4 + - + Vout =? - R3 + - vs3 vs2 + - vs1 b. Use the result of a. to design a 3-bi
School: Maryland
ENEE 205 HW # 9 Problem 1. Consider non-ideal operational amplifier circuit shown below. Vs=1mV, R1=1k, R2=100k, Rin=10 k, Rout=100, RL=50, a. What is the output voltage across the load resistor RL, with infinite A? Vs v2 - + R1 + v1 Rout Rin v3 - A (v2-v
School: Maryland
ENEE 205 HW # 8 Operational amplifier circuits Problem 1. a. For a summing circuit with non-inverting input illustrated below, show that the output is given by . R2 R1 + R5 R4 + - + Vout =? - R3 + - vs3 vs2 + - vs1 b. Use the result of a. to design a 3-bi
School: Maryland
ENEE 205 Home work #1 and Lab #0 Due in Lecture class September 11/12, 2013 1. Power loss in a transmission line. Typical high tension wires are made from aluminum braided wires. For this problem, assume that the cross sectional 750mm2. The resistivity (c
School: Maryland
ENEE 205 Home work #2. Problem 1. Practice on passive sign convention, KVL and KCL Fig. 1 The circuit above consists of 5 passive elements, one voltage source and one current source with known values. a) Using the passive sign convention, indicate the sig
School: Maryland
Course: Intermediate Programming Concepts For Engineers
Son of Cellphone Tracking Caleb Kim Abstract: The purpose of this program is to simulate cellphone tracking cellphones within the bounds of a laid out grid. The cellphone is tracked through the C programming language from the signals received from various
School: Maryland
Course: Intermediate Programming Concepts For Engineers
ENEE150 Fall 2013 Project 2 - Son of Cellphone Tracking (Homeworks 10,11,12) Differences from Homework 9: Simulation configuration: tower parameters and startup cellphone data is to be read from the 'simulation configuration file'. Simulation control: cel
School: Maryland
Course: Intermediate Programming Concepts For Engineers
/Program123 /cellphone fifo #include <stdio.h> / printf() #include <stdlib.h> / exit(), malloc(), free() #include <sys/types.h> / key_t, sem_t, pid_t #include <sys/shm.h> / shmat(), IPC_RMID #include <errno.h> / errno, ECHILD #include <semaphore.h>
School: Maryland
Course: Intermediate Programming Concepts For Engineers
The problem: cellphone tracking You are to develop a simulated cellphone tracking system which uses information from a number of celltowers to provide the path and current location of cellphone users in range of the towers. The customer is interested in
School: Maryland
Course: Electronic Circuits Design Laboratory
Introduction The objective of this lab is to examine the effect of frequency on circuit performances. Analysis, Design and Practical Realization Low frequency response of CE amplifier experiment First we designed a CE amplifier circuit with mid band gain
School: Maryland
Course: Electric Machines
Scott R. Smith ENEE473 Lab 5: Three-Phase Induction Machine Equivalent Circuit Model March 9, 2007 Purpose: This experiment will allow me to determine the equivalent circuit model parameters for the three-phase induction machine. The equivalent circ
School: Maryland
Course: Digital Circuits And Systems Laboratory
LABORATORY 2 - Synchronous and Asynchronous Counters Lab Goals The main purpose of this lab is to introduce the basic laboratory procedures necessary to evaluate simple digital circuits: how to convert logic diagrams into circuit diagrams, how to use b
School: Maryland
Course: Digital Circuits And Systems Laboratory
Laboratory1:Introduction 1.1 Objectives The objectives of this laboratory are: To become familiar with the Agilent InfiniiVision 2000 X series oscilloscope and its built-in function generation DVM, with which you will learn to acquire, save, and manipulat
School: Maryland
Course: Intermediate Programming Concepts For Engineers
# # 'Makefile' template # # example use: "$ make build" # example use: "$ make clean" # example use: "$ make compress" # => IMPORTANT: submit-file is to include _ONLY_ source, data (if any) and build tools (Makefile) #unix #example$(VER).zip: example$(VE
School: Maryland
Course: Intermediate Programming Concepts For Engineers
ENEE150 Fall'13 Lab 1 (1) What you receive ENEE150_F13_LAB1_distrib.tgz ./00_submissions: Makefile main_template.c function_template.c ./01_search: search.c ./02_mul: mul.c 50numbers.txt ./03_root: root.c /.tgz containing subdirectories below /example 'Ma
School: Maryland
Course: Digital Circuits And Systems Laboratory
Laboratory 5: Half Adder and Full Adder 5.1 Objectives The objectives of this laboratory are: To become familiar with the Xilinx Foundation Series Tools for the design of logic circuits. To understand and use Verilog HDL for the design of simple combina
School: Maryland
Course: Digital Circuits And Systems Laboratory
Laboratory 4: Latches and Flip-Flops 4.1 Objectives The objectives of this laboratory are: To design various latch and flip-flop circuits To test various latch and design circuits To measure the non-ideal properties of your circuits and compare the perfor
School: Maryland
Course: Digital Circuits And Systems Laboratory
Laboratory 3: Switching Circuits and Digital Logic Analyzers Objectives 3.1 The objectives of this laboratory are: To design a minimal switching circuit To test the switching circuit with all possible input combinations To identify glitches and measure ti
School: Maryland
Course: Digital Circuits And Systems Laboratory
Laboratory 2: Synchronous and Asynchronous Counters 2.1 Objectives The objectives of this laboratory are: To introduce the basic laboratory procedures necessary to evaluate simple digital circuits. To implement small counter circuits using simple ICs. The
School: Maryland
Course: Digital Circuits And Systems Laboratory
ENEE 245 Digital Circuits and Systems Laboratory Instructor: Manoj Franklin E-mail: manoj@eng.umd.edu Phone: 301-405-6712 Office: 1317 A.V. Williams Building Office Hours: TBA Online: https:/elms.umd.edu In this course you will learn how to design, simula
School: Maryland
Course: Elements Of Discrete Signal Analysis
LAB ASSIGNMENT 12 (due 04/24/13) _ (15 pts.) The surface shown in surfplot12.pdf is "physically" generated in three steps: - A flat sheet is tilted above the horizontal square S = cfw_(x,y): -1.5<=x<=1.5 , -1.5<=y<=1.5 so that its height above S va
School: Maryland
Course: Elements Of Discrete Signal Analysis
LAB ASSIGNMENT 11 (due 04/17/13) _ (20 pts.) The signal in the file DIALTONES11.WAV is a sequence of eight DTMF tones obtained using a nonstandard set of frequencies (in Hz): Frow = [622 715 823 946] Fcol = [1183 1360 1565] The signal vector x was ge
School: Maryland
Course: Elements Of Discrete Signal Analysis
LAB ASSIGNMENT 13 (due 05/08/13) _ (20 pts.) The signal in the file NOISY_CLIP_HW.WAV is a music clip corrupted with noise. The objective of this assignment is to denoise it. i) Use WAVREAD to import the noisy audio signal as vector x. What is the sampli
School: Maryland
Course: Elements Of Discrete Signal Analysis
LAB ASSIGNMENT 10 (due 04/10/13) _ (20 pts.) The signal in the file AUDIO10.wav consists of N samples of a signal y, which is a modulated version of a bandlimited audio signal x: y[n] = x[n]*cos(w*n), n = 0:N-1 Here, w = K*(2*pi/N) for some K. The obj
School: Maryland
Course: Elements Of Discrete Signal Analysis
LAB ASSIGNMENT 9 (due 04/03/13) _ The 512x512 floating-point matrix HIDDENMSG contains a faint message (very dark grey on a black background) obscured by additive noise. Message and noise are orthogonal to each other; specifically, - noise has zero pro
School: Maryland
Course: Elements Of Discrete Signal Analysis
LAB ASSIGNMENT 7 (due 03/13/13) _ (Total Points: 15) Consider the function s(t) defined for t in [0,4) by cfw_ e^(t-1) , for t in [0,1) s(t) = cfw_ (t-2)^2 , for t in [1,3) cfw_ e^(3-t) , for t in [3,4) (i) Generate a column vector s consisting of 512
School: Maryland
Course: Elements Of Discrete Signal Analysis
LAB ASSIGNMENT 8 (due 03/27/13) _ (Total Points: 15) In Lab 8, item 7, we wrote the function COMPRESS1 which finds the M absolutely largest entries of a real or complex vector X, nulls out the remaining entries, and also computes the energy (square
School: Maryland
Course: Elements Of Discrete Signal Analysis
LAB ASSIGNMENT 6 (due 03/06/13) _ (Total Points: 15) Submit EITHER Part 1 OR Part 2 _ Part 1 _ TASK 1.1 - Launch MATLAB and open the figure triangles.fig - As in item 5 in Lab 5, generate a square X-Y grid using m = 200 ; a = -1 : 1/m : 1 ; (note th
School: Maryland
Course: Elements Of Discrete Signal Analysis
LAB ASSIGNMENT 3 (due 02/13/13) _ A linear filter acts on a real-valued input sequence u[n] to produce an output sequence v[n], where n is an integer representing discrete time. At time n, the output sample is given by v[n] = 0.5*v[n-1] - 0.4*v[n-2] +
School: Maryland
Course: Elements Of Discrete Signal Analysis
LAB ASSIGNMENT 4 (due 02/20/13) _ DATA: The vector chirp04 contains a sinusoid of unit amplitude generated by chirp04 = cos(2*pi*v) ; where the angle 2*pi*v is a NONLINEAR function of the sample index. As a result, the signal frequency varies with time.
School: Maryland
Course: Elements Of Discrete Signal Analysis
LAB ASSIGNMENT 2 (due 020613) _ In Lab 2, you learned various plotting techniques and created an exponentially faded version of a given sinusoidal signal. In this assignment, you will use the so-called Hamming window to obain a modified sinusoid with sy
School: Maryland
Course: Electrical Machines Laboratory
Ramatou Cisse ENEE473 Lab Experiment #10 Synchronous Motor Prof: Patrick Date: April 24, 2013 Purpose: The purpose of this lab is to be familiar with the synchronous machine used to operate as a synchronous motor. The students will be asked to obtain its
School: Maryland
Course: Electrical Machines Laboratory
Ramatou Cisse ENEE473 Lab Experiment #9 SYNCHRONOUS GENERATOR (ISOLATED OPERATION) Prof: Patrick Date: April 19, 2013 Purpose The purpose of this lab is to be familiar with the three-phase synchronous machine rated at approximately 1kw and connected has a
School: Maryland
Course: Electrical Machines Laboratory
Ramatou Cisse ENEE473 Lab Experiment #9 SYNCHRONOUS GENERATOR (ISOLATED OPERATION) Prof: Patrick Date: April 19, 2013 Purpose The purpose of this lab is to be familiar with the three-phase synchronous machine rated at approximately 1kw and connected has a
School: Maryland
Course: Electrical Machines Laboratory
Ramatou Cisse ENEE473 Lab Experiment #7 and #8 Single-Phase Induction Motor Using three-phase Inductor Machine Prof: Patrick McAvoy Date: April 12, 2013 Purpose: The purpose of these two labs is to have a better understanding of single-phase IM. First, st
School: Maryland
Course: Electrical Machines Laboratory
Ramatou Cisse ENEE473 Lab Experiment #6 Three-Phase Induction Motor Prof: Patrick Date: March 25, 2013 Purpose The purpose of this experiment is to perform measurements and understand the mechanical characteristics of a three-phase induction motor looking
School: Maryland
Course: Electrical Machines Laboratory
Ramatou Cisse ENEE473 Lab Experiment #5 Three-Phase Induction Motor Prof: Patrick Date: March 15, 2013 Purpose: The purpose of this lab is to be familiar with the DC dynamometer (DCD) which has various functions: mechanical load or rotor, or used for torq
School: Maryland
Course: Electrical Machines Laboratory
Ramatou Cisse ENEE473 Lab Experiment #5 Three-Phase Induction Motor Prof: Patrick Date: March 15, 2013 Purpose: The purpose of this lab is to be familiar with the DC dynamometer (DCD) which has various functions: mechanical load or rotor, or used for torq
School: Maryland
Course: Electrical Machines Laboratory
Purpose The purpose of this experiment is to introduces a three-phase synchronous machine (SM) rated at approximately 1kW that has a Y-connected stator and a phase voltage of 120V , determine the synchronous reactance Xs of its per-phase equivalent circui
School: Maryland
Course: Electrical Machines Laboratory
Purpose This experiment will perform measurements on a single-phase induction motor (IM) with a power rating of 750W. Lab equipment The wattmeter to measure the power Induction machine (IM) An ammeter to measure the electric current in a circuit. Voltmete
School: Maryland
Course: Electrical Machines Laboratory
Purpose The purpose of this experiment is to perform measurements on a three phase induction motor using a single phase. Lab equipments The wattmeter to measure the power Induction machine (IM) An ammeter to measure the electric current in a circuit. Volt
School: Maryland
Course: Electrical Machines Laboratory
Purpose The purpose of this experiment is to perform measurements and understand the mechanical characteristics of a three-phase induction motor looking at three regimes of operation: motor, brake, and asynchronous generator. Lab equipments The wattmeter
School: Maryland
Course: Electrical Machines Laboratory
Lab redo after TA COMMENTs 1) %motor regime clc f=60; R=50.9; nsyn=1800; n=[1794,1790,1790,1772,1779,1771,1761,1743,1736,1720,1701,1681,1657,161 2]; %SLIP s=(nsyn-n)./nsyn; %Power Factor Pwa=[-13,-6,8,28,60,101,139,195,217,244,271,280,280,270]; Pwc=[119,1
School: Maryland
Course: Electrical Machines Laboratory
CODE LAB 6 1) %motor regime clc f=60; R=50.9; nsyn=1800; n=[1794,1790,1790,1772,1779,1771,1761,1743,1736,1720,1701,1681,1657,161 2]; %SLIP s=(nsyn-n)./nsyn; %Power Factor Pwa=[-13,-6,8,28,60,101,139,195,217,244,271,280,280,270]; Pwc=[119,122,143,167,208,2
School: Maryland
Course: Electronic Circuits Design Laboratory
Name Ramatou Cisse Section 0101 Lab Experiment # Four Response of Simple Transistor Circuits Professor Agis IliadiS Date April 4, 2011 Introduction: In this lab, the goal is to expand on the concepts learned in lab 2 by not only considering the amplifier
School: Maryland
Course: Electronic Circuits Design Laboratory
Name Ramatou Cisse Section 0101 Lab Experiment # Six WIRELESS COMMUNICATION Professor Agis Iliadis Date May 2, 2011 Introduction: In this lab, the goal is to design and build a basic wireless communicator receiver given certain specifications. The input s
School: Maryland
Course: Electronic Circuits Design Laboratory
Name Ramatou Cisse Section 0101 Lab Experiment #5: DIFFERENTIAL AMPLIFIERS AND OP-AMP CIRCUITS Professor Agis Iliadis Date April 12, 2011 Introduction: III. Analysis, Design, and Practical Realization: This lab can be organized into two sections. Differen
School: Maryland
Course: Electronic Circuits Design Laboratory
Name Ramatou Cisse Section 0101 Lab Experiment # Three Compact Disk Hi Fi Audio System Professor Agis Iliadis Date March 12, 03 2011 Introduction The goal is to build a compact disk hi fi audio system by putting together the concepts applied in the previo
School: Maryland
Course: Electronic Circuits Design Laboratory
Introduction: The purpose of this lab is to make simple amplifiers from NPN BJT by examining the DC characteristics of a BJT and investigating how changing the DC condition gives rise to amplification. Analysis, Design, and Practical realization Part I: D
School: Maryland
Course: Electronic Circuits Design Laboratory
Introduction: In this lab, the goal is to design and build a basic wireless communicator transmitter to complement the receiver designed and built in lab 6. The output signal from the transmitter will serve as the input signal for the receiver. In the tra
School: Maryland
Course: Electronic Circuits Design Laboratory
February 14th , 2011 Cisse, Ramatou ENEE307/0101 LABORATORY 1: EQUIPMENT AND MEASUREMENTS Lab Station: E Lab Instructor: Agis Iliadis Introduction The purpose of this lab is to design, build and test a non-inverting and inverting op-amp amplifiers with a
School: Maryland
Course: Electronic Circuits Design Laboratory
February 28th , 2011 Cisse, Ramatou ENEE307/0101 LABORATORY 2: SIMPLE TRANSISTOR AMPLIFIERS Lab Station: E Lab Instructor: Agis Iliadis Introduction: The purpose of this lab is to make simple amplifiers from NPN BJT by examining the DC characteristics of
School: Maryland
Course: Electronic Circuits Design Laboratory
Name Mewael Yebassew Section 0108 Lab Experiment # Three Compact Disk Hi Fi Audio System Professor Agis Iliadis Date April, 04 2010 Introduction The main goal of this lab is to make a high quality audio amplifier for a compact disc player by taking a smal
School: Maryland
Course: Electronic Circuits Design Laboratory
Name Mewael Yebassew Section 0108 Lab Experiment # Two Simple Transistor Amplifiers Professor Agis Iliadis Date March, 12 2010 Introduction The purpose of this lab is to make simple amplifiers from NPN BJT by examining the DC characteristics of a BJT and
School: Maryland
Course: Electronic Circuits Design Laboratory
Name Mewael Yebassew Section 0108 Lab Experiment # Two Simple Transistor Amplifiers Professor Agis Iliadis Date March, 12 2010 Introduction The purpose of this lab is to make simple amplifiers from NPN BJT by examining the DC characteristics of a BJT and
School: Maryland
Course: Electronic Circuits Design Laboratory
Name Mewael Yebasssew ENEE 307 Section 0108 02/26/10 Lab Report #0 Introduction The objective of this experiment was to familiarize the students with the lab equipments; lab's meter, oscilloscopes, power supplies, signal generators, and learn how to captu
School: Maryland
Course: Electronic Circuits Design Laboratory
Introduction The objective of this experiment was to familiarize the students with the lab equipments; lab's meter, oscilloscopes, power supplies, signal generators, and learn how to capture data for later use. Test and measurement results In this lab we
School: Maryland
Course: Electronic Circuits Design Laboratory
Introduction The objective of this lab is to design, build and test a non-inverting and inverting op-amp amplifiers with a given voltage gain. After the experiment we will be able to build amplifiers and be able to understand the effect of changing the ch
School: Maryland
Course: Electronic Circuits Design Laboratory
Name Mewael Yebassew Section 0108 Lab Experiment # One Operational Amplifiers Professor Agis Iliadis Date March, 7 2010 Introduction The objective of this lab is to design, build and test a non-inverting and inverting op-amp amplifiers with a given voltag
School: Maryland
Course: Introduction To Programming Concepts For Engineers
EE140 Lab 11 1.What are the differences and connections between a string and a charater? A string is a special type of character. In fact, a string is an array of character type elements. Character can hold only one character, but string can hold a series
School: Maryland
Course: Introduction To Programming Concepts For Engineers
EE140 Lab 9 Q1: a. b. c. d. e. f. int x[2][5]; 2 rows and 5 columns 10 elements x[1][0] x[1][1] x[1][2] x[1][3] x[1][4] x[0][2] x[1][2] x[1][2]=0; Q2: #include<stdio.h> void display(int ary[][100],int row,int column) cfw_ int i,j; for(i=0;i<row;i+) cfw_ f
School: Maryland
Course: Introduction To Programming Concepts For Engineers
Lab#6 EE140 /-/Lab#6 Question#1 /A program that ask users for velocity and angle. The program calculate /time, distance, and height using functions and display the results /on the screen. /-#include<stdio.h> #include<math.h> double const pi=3.1415926,g=9.
School: Maryland
Course: Introduction To Programming Concepts For Engineers
EE140 Lab4 2) #include<stdio.h> int main(void) cfw_ int a,b; printf("Enter two integers: "); scanf("00",&a,&b); if(a>b) printf("0 is larger than 0\n",a,b); else if (a=b) printf("Two numbers are equal.\n"); else printf("0 is larger than 0\n",b,a); return 0
School: Maryland
Course: Digital Circuits And Systems Laboratory
LAB REPORT 8 LABORATORY/TEAM INFORMATION Authors: Iniese Umah, Tim Beecher Course & Section: ENEE245 Section 0103 Laboratory Number: 8 Date: 10/24/12 Procedure: Lab Procedure: Part 1: First we generated Verilog code for the 4 bit ripple and carry look ahe
School: Maryland
Course: Digital Circuits And Systems Laboratory
LAB REPORT 4 LABORATORY/TEAM INFORMATION Authors: Iniese Umah, Ihekweme, Howells Course and Section: ENEE245 Section 0103 Laboratory Number: 4 Lab-Title: Latches and Flip-Flops Date: 9/26/12 Bench: A OBJECTIVES The objectives of this laboratory are: To de
School: Maryland
Course: Digital Circuits And Systems Laboratory
LAB REPORT 3 LABORATORY/TEAM INFORMATION Authors: Iniese Umah, Connor Bruso Course and Section: ENEE245 Section 0103 Laboratory Number: 3 Lab-Title: Switching Circuits and Digital Logic Analyzers Date: 9/12/12 Bench: A OBJECTIVES To design a minimal switc
School: Maryland
Course: Digital Circuits And Systems Laboratory
LAB REPORT 2 LABORATORY/TEAM INFORMATION Authors: Sam Alqasem (111137152) and Iniese Umah Course and Section: ENEE245 Section 0103 Laboratory Number: 2 Laboratory Title: Asynchronous and Synchronous Counters Date: 9/12/12 Bench: F OBJECTIVES To introduce
School: Maryland
Course: Digital Circuits And Systems Laboratory
Iniese Umah Alex Kim ENEE 245 Lab 11 Laboratory 11: Vending Machine Controller Objective Design a vending machine controller circuit that accepts coins and product selections as inputs, and supplies requested product and cash balance. Display the cash bal
School: Maryland
LABORATORY 12 Rectifier Circuits A. Lab Goals In this lab you will learn about the operation of diodes, and characterize half-wave and fullwave rectifier circuits both with and without filtering. You will also learn about zener diodes and design, construc
School: Maryland
Course: Random Process
Proofs of The Borel-Cantelli Lemmas The First Borel-Cantelli Lemma: For a countable sequence of events A1 , A2 , dened over a probability space (, F, P ), we have: P (An ) < = P lim sup An =0 n n1 Proof. Recall the denition of limit superior: lim sup An :
School: Maryland
Course: Random Process
Convergence of Random Variables Review Quiz Solutions Let = [0, 1) with (as usual) F being the Borel -eld and P [ ] the Lebesgue measure. For each of the following sequences X1 , determine which modes of convergence are applicable and the limit variable X
School: Maryland
Course: Random Process
Markov Convergence Review X0 is an irreducible time-homogeneous Markov chain S = Z or subset thereof j is an arbitrary xed state in S Xn ? Positive Recurrent Null Recurrent Transient Yn = Icfw_Xn =j ? Zn = n k=1 Yk ?
School: Maryland
LABORATORY 1 - Test and Measurement Equipment A. Lab Goals In this lab you will gain familiarity with several pieces of test and measurement equipment. The key piece of equipment that you will use is the digital mixed-signal oscilloscope, with which you w
School: Maryland
LABORATORY 12 Rectifier Circuits A. Lab Goals In this lab you will learn about the operation of diodes, and characterize half-wave and fullwave rectifier circuits both with and without filtering. You will also learn about zener diodes and design, construc
School: Maryland
LABORATORY 11 Transient Response in 1st And 2nd Order Circuits A. Lab Goals In this lab you will design, construct, and test a number of circuits with one or two energystoring elements. The goal of the lab is to characterize and understand the transient r
School: Maryland
LABORATORY 10 Active Filter Designs A. Lab Goals For this lab you will design, scale, construct, and test active filter circuits. You will compare the frequency performance of two different filters. B. Background Reading Read sections 9.3-9.7 in (M/L) on
School: Maryland
LABORATORY 9 Passive Filter Designs A. Lab Goals For this lab you will design, scale, construct, and test passive filter circuits. You will compare the frequency performance of two different filters. B. Background Reading Read sections 9.3-9.7 in (M/L) on
School: Maryland
LABORATORY 7 Digital-to-Analog Converters A. Lab Goals In this lab you will build and test simple D/A converters. B. Background Reading Look at the material in Chapters 4 and 8 of the textbook regarding D/A converters. C. Definitions D/A converter digital
School: Maryland
LABORATORY 6 Operational Amplifier Circuits (part II) A. Laboratory Goals In this lab you will build operational circuits with either multiple inputs or multiple op-amps and characterize their performance as a function of frequency and input pulse shape.
School: Maryland
LABORATORY 5 Operational Amplifier Circuits A. Laboratory Goals In this lab you will build a number of simple circuits containing operational amplifiers (opamps) and characterize their performance as a function of frequency and input pulse shape. B. Backg
School: Maryland
LABORATORY 4 AC Power A. Lab Goals In this lab you will optimize power transfer between a source and the load in a number of different circuits. You will measure power factors and attempt to compensate circuits to achieve unity power factors. B. Backgroun
School: Maryland
The graphs below show one period of the sinusoid cos(t+) starting at t = 0. The dotted lines are at levels 1/2 and -1/2. Which graph corresponds to: =0: 0 < < /3 : /3 < < /2 : = /2 : /2 < < 2/3 : 2/3 < < : A =: < < 2/3 : 2/3 < < /2 : = /2 : /2 < < /3 :
School: Maryland
ENEE 222 EXAM 1: SAMPLE PROBLEMS PROBLEM 1 Let z = x + jy and w = ej , where x, y and are real-valued. (i) Express z + z 1 in Cartesian form. (ii) Express w3 + w3 as a real-valued function of . (iii) Express |z w|2 as a sum of real-valued terms involving
School: Maryland
ENEE 222 FINAL EXAM: SAMPLE PROBLEMS 1. Let x(t) = 1.7 + 3.5 cos(24t 2.1) + 7.9 cos(48t + 0.8) + 5.4 cos(64t + 1.1) , where t is in seconds. (i) Determine the fundamental period T0 of x(t). (ii) Dene (i.e., give the numerical values of) a scalar c and a v
School: Maryland
The graphs below show one period of the sinusoid cos(t+) starting at t = 0. The dotted lines are at levels 1/2 and -1/2. Which graph corresponds to: =0: 0 < < /3 : /3 < < /2 : = /2 : /2 < < 2/3 : 2/3 < < : A =: < < 2/3 : 2/3 < < /2 : = /2 : /2 < < /3 :
School: Maryland
ENEE 303: Analog and Digital Electronics Course Outline, Spring 2013 Instructor: Alireza Khaligh Office: 2347 A.V. Williams; Tel: 301-405-8985; EML: khaligh@ece.umd.edu; URL: http:/www.ece.umd.edu/~akhaligh Grading: Homework Mid-Term Exam 1 Mid-Term Exam
School: Maryland
Electrical and Computer Engineering Department University of Maryland College Park, MD 20742-3285 Glenn L. Martin Institute of Technology A. James Clark School of Engineering Fall 2010 Dr. Charles B. Silio, Jr. Telephone 301-405-3668 Fax 301-314-9281 sil
School: Maryland
ENEE244: Digital Logic Design Fall, 2011 Lecture Times: Monday & Wednesday 11:30 am - 12:15 pm Classroom: Room 1102, Martin Hall (EGR 1102) Instructor/Office: Professor Kazuo Nakajima/Room 2345, A. V. Williams Bldg. Contact Information: By phone 301-405-3
School: Maryland
ENEE244: Digital Logic Design Fall 2012 Course Syllabus Lecture: M,W 3:00-4:45pm, EGR 0108 Sections 0101-0103 Instructor: Joseph JaJa, 3433 A.V. Williams Bldg; 301-405-1925, josephj@umd.edu Course Objectives: Students are supposed to learn the basic techn
School: Maryland
ENEE 646: Digital Computer Design Fall 2004 Handout #1 Course Information and Policy Room: CHE 2108 TTh 2:00p.m. - 3:15p.m. http:/www.ece.umd.edu/class/enee646 Donald Yeung 1327 A. V. Williams (301) 405-3649 yeung@eng.umd.edu http:/www.ece.umd.edu
School: Maryland
ENEE 322: Signal and System Theory Course Information Fall 2002 General Information Course Information: Title: Lecture: Recitation: ENEE 322: Signal and System Theory TuTh 12:30 1:45, PLS 1140 Section 0301 Fri 1:00 - 1:50 EGR 1104 Section 0302 Mon
School: Maryland
ENEE324: Engineering Probability Course Syllabus Spring 2009 Instructor: Joseph JaJa http:/www.umiacs.umd.edu/~joseph/classes/enee324/index.htm Course Objectives: Axioms of probability; conditional probability and Bayes' rule; random variables, pro
School: Maryland
Electrical and Computer Engineering Department University of Maryland College Park, MD 20742-3285 Glenn L. Martin Institute of Technology A. James Clark School of Engineering Dr. Charles B. Silio, Jr. Telephone 301-405-3668 Fax 301-314-9281 sil
School: Maryland
Course: Computer Organization
ENEE 350H- Computer Organization Fall 2003 Welcome to the class homepage for ENEE350H for fall 2003. Please look at this site frequently for the latest course information, homeworks and announcements. Information: Course Information Outline of topics