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Course: CS 180, Fall 2010
School: Purdue
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Purdue - CS - 180
Purdue - CS - 180
Purdue - CS - 180
Purdue - ECE 301 - 301
ECE 301, Homework #1, due date: 8/31/2011 http:/cobweb.ecn.purdue.edu/chihw/11ECE301F/11ECE301F.htmlReview of calculus and arithmetics: Question 1: Compute the values of the following integrals. You can leave your answers in the form of trigonometric fun
Purdue - ECE 301 - 301
Purdue - ECE 301 - 301
ECE 301, Homework #2, due date: 9/07/2011 http:/cobweb.ecn.purdue.edu/chihw/11ECE301F/11ECE301F.htmlQuestion 1: [Basic] Consider two functions f (t) and g(t) described as follows. 2 if -2 t &lt; 0 f (t) = 1 if 0 t &lt; 4 0 otherwise 3 + t if -3 t &lt; 0 g(t) = 3
Purdue - ECE 301 - 301
Purdue - ECE 301 - 301
ECE 301, Homework #3, due date: 9/14/2011 http:/cobweb.ecn.purdue.edu/chihw/11ECE301F/11ECE301F.htmlQuestion 1: [Advanced] Consider two functions f (t) and g(t) described as follows. 1 if -2 t &lt; 0 0 otherwise et 0 if t &lt; 3 . otherwisef (t) = g(t) = Defi
Purdue - ECE 301 - 301
ECE 301, Homework #4, due date: 9/21/2011 http:/cobweb.ecn.purdue.edu/chihw/11ECE301F/11ECE301F.html Question 1: [Basic] Sketch the following discrete-time signals from n = -3 to n = 4. x[n] = 2U[n - 2] - 2U[n - 1] + U[n] x[n] = (n + 2)U[n - 1] - 3U[n] -
Purdue - ECE 301 - 301
Purdue - ECE 301 - 301
ECE 301, Homework #5, due date: 9/28/2011 http:/cobweb.ecn.purdue.edu/chihw/11ECE301F/11ECE301F.html Question 1: [Basic] p. 141, Problem 2.21 (b,d).Question 2: [Basic] p. 141, Problem 2.22 (a,e).Question 3: [Basic] This question is to verify the followi
Purdue - ECE 301 - 301
Purdue - ECE 301 - 301
ECE 301, Homework #6, due date: 10/05/2011 http:/cobweb.ecn.purdue.edu/chihw/11ECE301F/11ECE301F.htmlQuestion 1: [Basic] Review of linear algebra: Consider row vectors dimension 3. Let of x1 = ( 2/2, - 2/2, 0), x2 = ( 3/3, 3/3, 3/3), and x3 = ( 6/6, 6/6,
Purdue - ECE 301 - 301
Purdue - ECE 301 - 301
ECE 301, Homework #7, due date: 10/12/2011 http:/cobweb.ecn.purdue.edu/chihw/11ECE301F/11ECE301F.htmlQuestion 1: [Basic] p. 256, Problem 3.23(a,b). Hint: You need to use the solution of Textbook Problem 3.5 and the time-shift property of Fourier series r
Purdue - ECE 301 - 301
Purdue - ECE 301 - 301
ECE 301, Homework #8, due date: 10/26/2011 http:/cobweb.ecn.purdue.edu/chihw/11ECE301F/11ECE301F.htmlQuestion 1: [Basic] p. 260, Problem 3.37.Question 2: [Basic] p. 261, Problem 3.38.Question 3: [Advanced] p. 261, Problem 3.39. Question 4: [Basic] For
Purdue - ECE 301 - 301
Purdue - ECE 301 - 301
ECE 301, Homework #9, due date: 11/02/2011 http:/cobweb.ecn.purdue.edu/chihw/11ECE301F/11ECE301F.htmlQuestion 1: [Basic] p. 334, Problem 4.3.Question 2: [Basic] p. 334, Problem 4.4.Question 3: [Basic] p. 336, Problem 4.10.Question 4: [Basic] p. 336, P
Purdue - ECE 301 - 301
Purdue - ECE 301 - 301
ECE 301, Homework #10, due date: 11/09/2011 http:/cobweb.ecn.purdue.edu/chihw/11ECE301F/11ECE301F.htmlQuestion 1: [Basic] Write down the synthesis and analysis formulae of DT FT. Question 2: [Basic] y[n] = cos( 3 n). Plot the DT FT Y (ej ). 2 Question 3:
Purdue - ECE 301 - 301
Purdue - ECE 301 - 301
ECE 301, Homework #11, due date: 11/16/2011 http:/cobweb.ecn.purdue.edu/chihw/11ECE301F/11ECE301F.htmlQuestion 1: [Basic] Consider an AM-DSB signal y(t) = (x(t) + 0.5) cos(3t) is sent by a transmitter. 1. In what condition can we use asynchronous demodul
Purdue - ECE 301 - 301
Purdue - ECE 301 - 301
ECE 301, Homework #12, due date: 11/30/2011 http:/cobweb.ecn.purdue.edu/chihw/11ECE301F/11ECE301F.htmlQuestion 1: [Advanced] We use the basic setting as stated in p. 632, Problem 8.24(a). But we only need to answer the following questions instead: 1. Fin
Purdue - ECE 301 - 301
Purdue - ECE 301 - 301
ECE 301, Homework #13, due date: 12/7/2011http:/cobweb.ecn.purdue.edu/chihw/11ECE301F/11ECE301F.htmlQuestion 1: [Basic] p. 801, Problem 10.21(ad).Question 2: [Basic] p. 801, Problem 10.21(eh).Question 3: [Basic] p. 801, Problem 10.22(a,b).Question 4:
Purdue - ECE 301 - 301
Purdue - ECE 301 - 301
ECE 301, Homework #14, No need to turn in this homework. The solution will be posted on Friday 12/9.http:/cobweb.ecn.purdue.edu/chihw/11ECE301F/11ECE301F.htmlQuestion 1: [Basic] p. 804, Problem 10.30.Question 2: [Basic] p. 802, Problem 10.24. Change th
Purdue - ECE 301 - 301
Purdue - ECE 382 - 382
School of Electrical and Computer EngineeringSchool of Electrical and Computer EngineeringCompensatorsR(s) + C(s) G(s)T (s) =R(s) + G (s) 1 + G (s)C(s) G(s) Uncompensated systemIf T(s) does not perform as desired, then we need to add an additional
Purdue - ECE 382 - 382
ECE 382Lead Compensator Design (Root-Locus)G(s) = 4 s(s + 2)Design Objective: = 0.5 and n = 4 rad/sec. (Interpret the design objective in terms of performance specification.) Procedure: 1) General form of a lead compensator Gc (s) = Kc (s + 1 ) 1 (s +
Purdue - ECE 382 - 382
ECE 382Review of Solutions of Linear Ordinary Differential Equations with Constant CoefficientsWe shall consider an nth -order, linear, ordinary differential equation with constant coefficients, and discuss some physical problems giving rise to such equ
Purdue - ECE 382 - 382
ECE 382 Laplace Transform L d f (t) = sF (s) - f (0); dt 1 ; (s + a) ; s2 + 2Some Useful FormulaeLd2 f (t) = s2 F (s) - sf (0) - f(0) 2 dtL e-at =L tn e-at = L [cos t] =n! (s + a)n+1 s s2 + 2L [sin t] = Second-order Systems2 n C(s) = T (s) = 2 ;
Purdue - ECE 382 - 382
Transfer FunctionsTransfer function is defined as: L cfw_output variable Transfer function = L cfw_input variable initial conditions are zero For example, find the transfer function Eo (s) of an RC circuit Ei (s)Block DiagramsA block diagram of a syste
Purdue - ECE 382 - 382
Feedback Control System CharacteristicsWhy study feedback control systems?R(s) R(s) G(s) C(s) vs. + E(s) _ G(s) C(s)Sensitivity AnalysisFor a system to perform well, it must be less sensitive to parameter variation. We would like to analyze how the va
Purdue - ECE 453 - 453
Lessons from Nanoscience: A Lecture Note SeriesVolume 1: Lessons from Nanoelectronics: A New Perspective on Transport Lectures 1-9 Supriyo Datta Purdue University datta@purdue.eduAugust 22, 2011For more information about the lecture note series, see ht
Purdue - ECE 453 - 453
Lessons from Nanoscience: A Lecture Note SeriesVolume 1: Lessons from Nanoelectronics: A New Perspective on Transport Lectures 10-17 Supriyo Datta Purdue University datta@purdue.eduSeptember 29, 2011For more information about the lecture note series, s
Purdue - ECE 453 - 453
10/05/07ECE 495N, Fall'07MSEE B010, MWF 330P 420PFundamentals of Nanoelectronics HW#4: Due Friday Oct.12 in class.Problem 1: Consider a (2x2) matrix of the formcos sin e- i A= sin e+ i - cos What are its eigenvalues? What are the corresponding eigen
Purdue - ECE 453 - 453
Purdue - ECE 453 - 453
10/12/07ECE 495N, Fall'07MSEE B010, MWF 330P 420PFundamentals of Nanoelectronics HW#5: Due Friday Oct.19 in class.All exercises, page numbers refer to S.Datta, Quantum Transport: Atom to Transistor, Cambridge (2005) HW#5: Due Friday Oct.19 in class. N
Purdue - ECE 453 - 453
10/19/06ECE 495N, Fall'07MSEE B010, MWF 330P 420PFundamentals of NanoelectronicsNote: Exam II on Monday Nov.5 in class.All exercises, page numbers refer to S.Datta, Quantum Transport: Atom to Transistor, Cambridge (2005)HW#6: Due Monday Oct.30 in cl
Purdue - ECE 453 - 453
Purdue - ECE 453 - 453
Purdue - ECE 453 - 453
Lessons from Nanoscience: A Lecture Note SeriesVolume 1: Lessons from Nanoelectronics: A New Perspective on Transport References/Appendices Supriyo Datta Purdue University datta@purdue.eduAugust 22, 2011For more information about the lecture note serie
Purdue - ECE - 311
Purdue - ECE - 311
Purdue - ECE - 311
Purdue - ECE - 311
Purdue - ECE - 311
Purdue - ECE - 311
Purdue - ECE - 311
Purdue - ECE - 311
Purdue - ECE - 311
ECE 311 Homework #9 Not to be turned inProblem 1: The following is the equation of the electric field intensity of an EM wave in free space. V E= - 35 cos(9.42x10 6 t + 3.14x10 -2 y)a z mA) What is the wavelength of the wave? B) What is the frequency o
Purdue - ECE - 311
Purdue - ECE - 311
Purdue - ECE - 305
NCNwww.nanohub.orgEE-305: Solid State Devices Solution Homework # 1Muhammad Ashraful Alam alam@purdue.eduAlam ECE-30511.1a)(i) Silicon (ii) GaAsb) crystalline material is uniform throughout while polycrystalline is uniform/crystalline in small sec
Purdue - ECE - 305
NCNwww.nanohub.orgEE-305: Solid State Devices Solution Homework #2Muhammad Ashraful Alam alam@purdue.eduAlam ECE-3051Q1Ego=1.170; a=4.730e-4; b=636; T=[0:1:600]; Eg=Ego-a.*(T.^2)./(T+b); Plot(T, Eg); hold on; Ego=1.205; a=2.8e-4; Eg=Ego-a.*T; Plot
Purdue - ECE - 305
Purdue - ECE - 305