Signals and Systems II
ELEC 364
Final Exam
Summer 2009
There are 5 questions to answer
Questions have equal weight
Available time is 3 hours.
Exam is closed book.
You may use the provided formula sheet.
You may use ENCS standard calculator.
Show all the i
FINAL EXAM: ELEC 364
Signals and Systems II
CONCORDIA UNIVERSITY
Department of Electrical and Computer Engineering
December 14, 2011
Instructions
This is a closed book exam. ONLY one 8.5x11 double-sided formula sheet is allowed.
Both exam paper and form
Introduction and
S&S review
Introduction to Signal Processing (DSP)
DT signals
Transformation of the independent variable
DT LTI Systems & Convolution
Frequency content of signals
Fourier Transform
Frequency response & difference equations
CT Signa
Periodic (Uniform) Sampling
ELEC364 & ELEC442
Introduction to sampling
Introduction to filter
Ideal sampling: Representation of a CT Signal by Its Samples
Interpolation: Reconstruction of a Signal from Its Samples
Aliasing: The Effect of under-samplin
Signals and Systems II
ELEC 364
Midterm Exam II
Summer 2009
Answer all 4 Questions.
Questions have equal weight.
Show all the intermediate steps of your solution.
Make reasonable assumptions if necessary.
You may not separate the sheets of exam.
Standard
Bonus Mark for Midterm I
It looks like, the exam was long and some students were not able to finish their exam.
To compensate the grade, you may solve the midterm exam at home and submit it to me
on Tuesday June 2nd at 4PM (no email please). In fact this
ELEC 364 Signals and Systems II: l\-’Iidtern1 Exam I Solutions
Aishy Amer. Concordia University. Electrical 85 Computer Engineering
October 16. 2009
Instructions:
1. Answer ALL Questions. Time given 1 hour.
2. Only two pages of one crib sheet and a basic
ELEC264
Midterm Exam II
Signals and Systems II
Question 1:
Consider the stable continuous-time system with transfer function of
s +1
H (s) = 2
s + s +1
a) Find the impulse response of the system and determine whether the system is causal.
b) Find the impu
ELEC264
Midterm Exam I
Signals and Systems II
Question 1:
1 j
.
1 + j
a) Show that the magnitude of the above frequency response is unity at all
frequencies. Find the expression for the group delay and sketch it.
b) Based on the results of part a, find ou