ECE 301, Homework #2, due date: 9/11/2008 http:/www.ece.purdue.edu/chihw/ECE301 08.html
Question 1: Consider two functions f (t) and g(t) described as follows. 1 if 2 t < 0 f (t) = 3 if 0 t < 4 0 otherwise 2 if 2 t < 0 g(t) = 2 t if 0 t <
ECE 301, Homework #2, due date: 9/08/2010 Please turn in HW2 to Ms. Bonnie Misner, MSEE 330 http:/cobweb.ecn.purdue.edu/chihw/10ECE301F/10ECE301F.html
Question 1: [Basic] Consider two functions f (t) and g (t) described as follows. 2 if 2 t < 0 f (t) = 1
Amplitude Modulation radio - a MATLAB experiment for Purdue ECE 301, by Prof. ChihChun Wang.
Preparation 1. Download the different wav files x1.wav (Save it as x1.wav.) 2. Download the ece301conv.m file. 3. Open MATLAB and change the directory to where yo
ECE 301, Homework #1, due date: 01/22/2014
Review of calculus and arithmetics:
Question 1: Compute the values of the following integrals. You can leave your answers
in the form of trigonometric
ECE 301, Homework #3, due date: 9/18/2008 http:/www.ece.purdue.edu/chihw/ECE301 08F.html
Question 1: Consider two functions f (t) and g(t) described as follows. 1 if 0 t < 2 0 otherwise cos(2t) if 2 t . 0 otherwise f (s)g(t s)ds. Plot h(t).
ECE 301, Homework #3. This is an exercise. The solution will be posted on
Question 1: [Advanced] Consider two functions f (t) and g (t) described as follows.
1 if 3 t < 0
ECE 301 Signals and Systems, Course Reference Number (CRN): 17726
Classroom: Neil Armstrong Hall of Engr 1010
http:/www.ece.purdue.edu/chihw/10ECE301F/10ECE301F.html Prof. Chih-Chun Wang Email: [email protected] Oce: MSEE354 Oce Hours: MWT
ECE 301 Fall 2011 Division 1
Homework 2 Solutions
Reading: textbook Chapter 1.
Problem 1. Determine whether or not each of the following signals is periodic. If the signal is
periodic, determine its fundamental period. Note that the signals in Parts (a)-(
ECE 301 Fall 2011 Division 1.
Homework 6 Solutions.
Reading: Sections 3.2, 3.6, 3.7, 3.8, 3.3, in the textbook, as well as the posted notes on Fourier series.
Problem 1. Discrete-Time Wavelet Series.
In addition to Fourier bases (i.e., bases of sinusoidal
ECE 301 Fall 2011 Division 1.
Homework 1 Solutions.
Reading: Course information handout on the course website; textbook sections 1.0, 1.1, 1.2, 1.3, 1.4;
online review notes on complex numbers.
Problem 1. For each discrete-time (DT) signal below, do the f
EE301 Homework #11: Z-Transforms
Problem 1 - Computing the Z-transforms
For each of the following functions, compute the Z-transform along with a region-of-convergence
a) x(n) = an u(n)
b) x(n) = an u(n)
c) x(n) = a|n| for a < 1
Problem 2 - Computi
EE301 Homework #10: Sampling and Reconstruction
Problem 1 - Computing CTFT Transforms
For each of the following functions, compute the CTFT then sketch the function x(t) and its Fourier
transform X(). (Hint: Use CTFT property 12 from notes.)
EE301 Homework #9: The DFT and DTFT
Problem 1 - DFT
For each of the following discrete-time signals x(n), calculate the DFT Xk for 0 k < N . In
each case, assume that m is an integer.
(a) x(n) = (n) for 0 n < N .
(b) x(n) = (n m) for 0 n, m < N .
EE301 Signals and Systems Spring 2012
Due Date: Thursday, 17 January 2013, 1:30 pm, in class.
Reading Assignment: Oppenheim and Willsky, Chapter 1.
Text Prob. 1.21 (note: useful M-les posted at course web site)
Text Prob. 1.22, (a) thru (g) o
EE301 Signals and Systems Spring 2013
Due Date: Due Thursday, Jan 24, in class (1:30 pm).
Reading Assignment: Oppenheim and Willsky, Chapter 2.
Text Prob. 1.18
Text Prob. 1.20
Text Prob. 1.26
Text Prob. 1.27
Text Prob. 1.28
ECE 301 Signals and Systems
Homework # 1. Spring 2010
0:") th) [ 50%;?)
3) ECE 301 Signals and Systems
(a) x Cu] u [Swim]
~210123 ECE 301 Signals and Systems
(a) Z xn3+ XCoZHE" XCNJ
1? KEN) Is odd,
XChj+ X13: :0
ECE301, Homework#4 Solution
1. The response of an unknown input is the linear combination of
known output responses provided we can do the linear decomposition of the unknown signal.
2. For different s, we are looking at shifted version of the i
ECE301, Homework#5 Solution
p.338, Problem 4.21. Pick up two from (a,b,c,d,g)
(a) The given signal is
et cos(w0 t)u(t) = et ejw0 t u(t) + et ejw0 t u(t)
2( jw0 + jw) 2( jw0 + jw)
(b) The given signal is
x(t) = e3t
ECE 301, Midterm #1
7:00-8:00pm Mon. Sept. 25, PHYS 112,
1. Enter your name, student ID number, e-mail address, and signature in the space
provided on this page, NOW!
2. This is a closed book exam.
3. This exam contains multiple choice questions and work-
ECE301, Homework#3 Solution
p.141, Problem 2.21.
(a) The desired convolution is
y[n] = x[n] h[n]
(/)k for n 0
u[n] for 6=
(b) From (a)
" n #
1 u[n] = (n + 1)n u[n].
(c) For n 6,
y[n] = 4