18-290 Signals & Systems
Spring 2013
Homework #1
Total Points: 100
Due: Thursday, Jan. 24, 2013
1. (20 pts) Odd and even functions.
For the following functions, determine if each one is odd, even, or
18-290 Signals & Systems
Spring 2013
Homework #10
Total Points: 100
Due: Monday, April 22, 2013
1. (15 pts)
According to the sampling theorem, the frequency that must be exceeded by the sampling
frequ
18-290 Signals & Systems
Spring 2013
Homework #9
Total Points: 100
Due: Thursday, March 28, 2013
1. (25 pts)
Compute the Fourier transform of these DT signals:
(a) (5 pts) x[n] = n, f or 2 n 2; x[n] =
18-290 Signals & Systems
Spring 2013
Homework #8
Total Points: 100
Due: Thursday, March 21, 2013
1. (15 pts) Fourier transform of an impulse train.
Justify your answers by showing your work or reasoni
18-290 Signals & Systems
Spring 2013
Homework #7
Total Points: 100
Due: Thursday, March 7, 2013
1. (30 pts) Fourier Transforms Of CT Signals
Please justify all your work.
F
(a) (5 pts) If X cfw_j = (
Andrew login ID:
(Please print in capital letters)
Full name:
Section:
18-290: Signals and Systems
CMU/ECE, Spring 2013
Homework #6 Exam 1
Due: Thursday, February 28, 2013
Show your work! Justify your
18-290 Signals & Systems
Spring 2013
Homework #5
Total Points: 100
Due: Thursday, Feb. 21, 2013
1. (20 pts) Fourier series repesentations of odd and even signals.
Suppose that the following informatio
18-290 Signals & Systems
Spring 2013
Homework #3
Total Points: 100
Due: Thursday, Feb. 7, 2013
1. (20 pts) Memory, causality and invertibility in systems.
For the following systems, determine if they
18-290 Signals & Systems
Spring 2013
Homework #2
Total Points: 100
Due: Thursday, Jan. 31, 2013
1. (20 pts) Periodicity after time scaling, time shift, and summation.
Let x(t) be a continuous time sig