Course Outline

Homework Solutions

Computer Assignments

Weekly Schedule

 

 

 

Week 2

Topics:

  • Digital to Analog Conversion and signal reconstruction
  • Review of Systems and z-Transform
  • Frequency Response of Digital Filter
  • Project  2: suppress a disturbance on an audio signal

Textbook:

Sections 2.1, 2.2, 2.3

Homework:

Problems 2.1-2.6

 

 

Slides:

1-Introduction.ppt

Recall:

z-Transforms.pdf

 

 

 

Lectures

 

HOUR 1:

Digital Filters and Linear Difference equations

14:02

 

Notes on Numerical Sequences and Causality

12:04

 

z-Transforms

8:32

 

 

 

HOUR 2:

z-Transforms and DTFT

17:52

 

Transfer Functions and Frequency Response

25:01

 

zeros, poles and stability

21:58

 

 

 

HOUR 3:

Discrete Time to Continuous Time: the Zero Order Hold

20:15

 

Frequency Response of a Digital Filter

9:23

 

Example: a Notch Filter

10:11

 

 

 

 

 

 

 

 

Project 2: suppress a disturbance on an audio signal