ECE 425 Digital Signal Processing
September 17, 2009 Fall 2009
Homework 3
Assigned: Due: September 17, 2009 Friday, September 25, by 4:00pm in the 425 lock-box on the 2nd oor of Phillips Getting more comfortable with the DTFT: linear phase, general phase,

I n t roduction to MA T LAB
1. Overview
MATLAB is a powerful, widely used tool for doing signal processing. The primary goal of t his lab is to familiarize you with using MATLAB. I ts assumed you have some experience w ith programming in some other langua

ECE 425 Digital Signal Processing
September 10, 2009 Fall 2009
Homework 2
Assigned: Due: September 10, 2009 Friday, September 18, by 4:00pm in the 425 lock-box on the 2nd floor of Phillips Interpretation and use of the DTFT. Thinking about what domain (ti

ECE 425 Digital Signal Processing
September 24, 2009 Fall 2009
Homework 4
Assigned: Due: September 24, 2009 WEDNESDAY, September 30, by 4:00pm in the 425 lock-box on the 2nd floor of Phillips Solutions will be posted on the web page by 4:30 pm Understandi

Representing Color Images
Many color spaces exist. Some examples: 1. RGB red-green-blue. R, G, and B are highly correlated; this format is bad for image compression. 2. YCrCb luminance and 2 chrominance components. Y 0.299 0.587 0.114 R = 0.169 0.332 0.50

ECE 425 Digital Signal Processing
Fall 2009
Phase and the DTFT
This is a 2-week lab (weeks of September 14 and 24). Write-ups are due by 4pm on Friday, October 2 in the 425 lock-box. The DSP lab is 303 Phillips. Note that the lab has "TA checks" throughou

ECE 425 Digital Signal Processing
Fall 2009
Mini-Project 2 Interpolation for Visualization and Interpolation in Action
This is a 2-week lab (weeks of October 19 and 26). Notice that the pre-lab should be completed BEFORE you come to lab. Write-ups are due

ECE 425 Digital Signal Processing
Fall 2009
Lab #3: Image Transforms
Introduction The goal of this project is to give you some experience with and intuition for image transforms. Youll apply various image transforms to images with different amounts of fre

Block-based Transform Coding
Block-based Transform Coding
Segment original signal into blocks of length N.
p(n)
n
General properties Efcient implementation Transform code goodness measures The discrete cosine transform The Karhunen-Loeve/Hotelling trans

ECE 425 Digital Signal Processing
September 4, 2009 Fall 2009
Homework 1
Assigned: Due: Goals & concepts: September 4, 2009 September 11, by 4:00pm in the 425 lock-box on the 2nd oor of Phillips Review CTFT properties; understand the time/frequency trade-

ECE 425 Digital Signal Processing
Fall 2009
Topics & Concepts for Exam 2
The following is a list of topics and concepts in the material which exam 2 will cover. This is a comprehensive listing of what weve done; obviously the exam cannot test everything a

ECE 425 Digital Signal Processing
Fall 2009
Topics & Concepts for Exam 1
The following is a list of topics and concepts in the material which exam 1 will cover. This is a comprehensive listing of what weve done; obviously the exam cannot test everything a

sampl ing r at e r educt ion sampl ing r at e r est or at ion
L
M est imat e of B , t he number of bit s per sampl e est imat e of B , t he number of bit s per sampl e delay
Spect ral Analysis and Sample R ate Selection
Overview
This project is a follow

Filter Design for Sample Rate M Conversion
L
Overview
An area where discrete-time signal processing has enjoyed widespread use is the fields of sampling rate conversion. In this project, we are using this application to motivate filter design. This projec

Equation Chapter 1 Section 1Spectral Estimation
Overview
In this project you will explore and compare various parametric and non-parametric techniques for power density spectrum (PDS) estimation. The goal is to approximate the PDS with non-parametric dire

3. More Functional Programming
The purpose of this chapter is to deepen your understanding of the concepts encountered so far and to introduce advanced forms of datatypes and recursive functions. The rst two sections give a structured presentation of theo

ECE 425 Digital Signal Processing
Fall 2009
Topics & Concepts for Final Exam
The following is a list of topics and concepts in the material which the nal exam will cover. This is a comprehensive listing of what weve done; obviously the exam cannot test ev

E CE 4 250/S PRING 2 013/C HEN
H W SET #3 (DUE ON FE B 28, THURSDAY)
Problem 1 Consider a downsampler with a factor of 3, and an upsampler with a factor of 2. Show
that they are interchangeable, i.e., the following two systems are equivalent:
3
2
2
3
Prob

E CE 4 250/S PRING 2 013/C HEN
H W SET #2 (DUE ON FE B 7, THURSDAY)
Problem 1 Consider a system with one the following impulse responses. For each case, determine
whether it is a stable system or not. If not, show an example of a bounded input that result

E CE 4 250/S PRING 2 013/C HEN
H W SET #1 (DUE ON JAN 29, TUESDAY)
Problem 1 Determine whether or not each of the following DT signals is periodic. If yes,
3
determine its fundamental period. (a) x [n ] = cos n + , (b) x [n ] = cos 2n + 1 , (c)
5
4
2

ECE4250
Fall 2008
Homework Set 1
Your solutions to these problems are due in the ECE425 hand-in box at 5:00 PM on Monday, Sept. 8, 2008. The hand-in box is located outside the south entrance to Phillips Hall 219 (usual place) and we use the upper right ha

ECE 303: Electromagnetic Fields and Waves Solutions for Prelim 2 Reminder:
Fall 2007
Date: Tuesday 10/23
Problem 1: Oblique incidence on a dielectric with both TE and TM components. a. The transverse electric (TE) part is ET E = 2E0 ej ki r y and the tran

ECE 3030
Prelim 2 Answers
2008/10/28
Problem 1: Plane wave incident in dielectric with r = 1 j 7. a. Si (r ) = 1 W/m2 . x b. Ei (r ) = 27.46ej 20.9x y V/m. (Other directions of E possible.) j 20.9x c. Hi (r ) = 0.0728e A/m. (Must be consistent with chosen

SOLUTIONS MANUAL for Extra Homework Problems from Companion Website Discrete-Time Signal Processing, 3e
by Alan V. Oppenheim and Ronald W. Schafer
Prepared by B. A. Black, L. Lee, J. Rosenthal, M. Said, and G. Slabaugh
Solutions Chapter 2 Discrete-Time Si