Discrete-Time Signal Processing
ELEC 6601
Lecture 12
Mina Yazdanpanah
Summer 2015 Chapter 6: Structures for Discrete-Time Systems
We learned that LT| systems can be described by either rational system functions or
difference equations. In this Chapter we

ELEC442/ELEC6601
Digital Signal Processing
Full Name:
Concordia University
ID Number:
Instructions for the Examination
There are four questions with equal weight. You should answer all the questions.
Standard type calculator may be used. You are not allow

Concordia University
ECE Department
Midterm Exam (closed-book)
March 3, 2009
ELEC 442/6601: Digital Signal Processing
1. (12 marks) When the input to an LTI system is
x( n ) = ( 1 ) n u( n ) + 2 n u( n 1) ,
2
the output is
3
y ( n ) = 6( 1 ) n u( n ) 6( 4

Discrete-Time Signal Processing
ELEC 6601
Lecture 09
Electrical Computer Engineering epartment
Concordia University
Mina Yazdanpanah
Summer 2015 4.6.2 Increasing the Sampling Rate by an Integer Factor
Lowpass filter
Gain 2 L
x[rz] Cutoff = W/L x,—[n]
Sa

Concordia University
ECE Department
Midterm Exam (closed-book)
March 3, 2009
ELEC 442/6601: Digital Signal Processing
1. (12 marks) When the input to an LTI system is
x( n ) = ( 1 ) n u( n ) + 2 n u( n 1) ,
2
the output is
3
y ( n ) = 6( 1 ) n u( n ) 6( 4

Discrete-Time Signal Processing
ELEC 6601
Lecture 13
Mina Yazdanpanah
Summer 2015 Chapter 7: Filter Design Techniques
In designing Filters, we have to:
Find the coefficients of H(z) (IIR or FIR),
Meet the frequency response specifications which are amplit

Discrete-Time Signal Processing
ELEC 6601
Lecture 10
Electrical Computer Engineering epartment
Concordia University
Mina Yazdanpanah
Summer 2015 4.7.3 Polyphase Decompositions
The polyphase decomposition of a sequence is obtained by representing it as a s

Concordia University, ECE Dept.
Instructor: Dr. Wei-Ping Zhu
Final Exam (closed-book)
Sample final
ELEC 442/6601: Digital Signal Processing
Students are allowed 3 single-sided (or equivalent) 8.511 inch formula sheet. Anything can be written
on it. Non-pr