Practice Exam #1
Challenge 7
Practice Exam (Lessons 1-7)
Project 1 due Friday, on or before class time.
Exam #1 Friday.
1
Practice Exam #1
Challenge 07
A signal having a z-transform:
X(z)=(1+0.4 2 z-1)/(1- 0.8 2 z-1 + 0.64 z-2)
is to be transformed into a
1
Lesson [20]
FIR
FIR (Digital Filter) Basics
Introduction to FIRs
FIR properties
Challenge 21
2
Lesson [20]
Digital Filters
Digital filters change the time and/or frequency domain attributes of a 1-D, 2-D or MD signal using digital technologies (software
Have Courage. Its almost over.
1
Lesson 23
IIR Primer
Challenge 22
IIR (analog)
IIR (digital)
Challenge 23
2
Lesson 23
IIR Primer
Guaranteed grade targeted to be reported on or before Nov. 20 (Friday)
No more graded Challenge problems.
I cannot wait for P
Exam #3 Review
Fall 2015
Topical Coverage: Lessons 13-19 (convolution/state space/architecture)
Practice Exam #3 Monday
Exam #3 Wednesday
Turn in Project #3 Friday.
Exam #3 Review
Problem 1: State Space
A 2nd order LTI system has a transfer function H(z)=
Exam #3 Review
Fall 2015
Topical Coverage: Lessons 13-19 (convolution/state space/architecture)
Practice Exam #3 Monday / TA available 1:00 to 2:00
Exam #3 Wednesday
Turn in Project #3 Friday.
Exam #3 Review
Challenge 19
An FIR has an impulse response h[k
Practice Exam #2
(DFT/FFT Theme)
1
Exam #2 Review
1-DFT
a) An N-point DFT with sample rate fs=330Hz is to be used to identify a
60Hz signal without leakage. What is the minimum value of N that
meets the leakage requirement?
2
Exam #2 Review
b) Suppose an
Be rational
i
1
Practice Exam #2
Get real
Practice Exam #2
(DFT/FFT Theme)
Challenge 12
Practice Exam #2
Exam #2 Monday
Project 2 due Wednesday.
TA available today 1-2PM
2
Exam #2 Review
Challenge 12
You are to Fourier transform data records of length 200
Charle Lotfalla
EEL 5502
Project 1
The first figure shows the magnitude baseband spectra
(i.e., |FFT(xi)|) of the each individual sub-signal xi[k]
indicating their baseband frequency location.
The second figure shows the sub-signal components that
are com
Digital Signal Processing
Dr. Fred J. Taylor, Professor
FIR/IIR Project #4
Equirriple FIR
Equiripple FIR Filter Design
You are to design a 31st order lowpass linear phase equiripple FIR sampled at fs = 10k Sa/sec.
The filter is to have a passband edge fr
1
Lesson 22
FIR WINDOW/LMS DESIGN
METHOD
Challenge 21
Window Method
LMS Method
Challenge 22
2
Lesson 22
Challenge 21
Given a N=21st order linear phase Type 1 FIR (odd order, even symmetry),
with a 5kHz sinusoid input clocked at a 100 kSa/s rate, what is t
The day the education
of American youth was
transformed by
entertaining video
display devices, a
process that
unfortunately
continues today.
1
Lesson 19
FIR Architecture
Challenge 18
FIR architectures
Challenge 19 ungraded
Topical Coverage: Lessons 13-19
But my MATLAB simulation worked perfectly.
1
Lesson 18
Cascade & Parallel Structures
Challenge 17
Architectural forms
Challenge 18
Practice Exam #3 available Friday
But my MATLAB simulation worked perfectly.
2
Lesson 18
Direct II Architecture Review
Alter
1
Lesson 06
z-Transform
Whats it all about?
Challenge 5
z-Transforms an oldie but goodie
Challenge 6
2
Lesson 06
Lesson 05 Take Away
V
Quantization error: e[k]=xdiscrete[k] - xdigital[k]
d uniform quantization error distribution
Quantization step-size: =(
Beginning Now
1
Lesson [12]
Other FFT forms
to infinity and
beyond 11
Challenge
Strange FFTs
Challenge 12
Practice Exam#2 on-line
Practice Exam#2 Monday: 10/14/15
Exam #2 Wednesday: 10/16/15
Project 2 due Friday: 10/18/15
2
Lesson [12]
There are times whe
1
Lesson [11]
Cooley-Tukey FFT
Challenge 10
CT FFT
Derivative FFT forms
Challenge 11
2
Lesson [11]
Challenge 10
Windows are multiplicative appliques that cosmetically make a signal to
appear to have periodicity.
Typically sets the endpoint to or near 0.
H
Welcome to the 2nd half of EEL 5502
.
1
Lesson - 13
Convolution
Engineers of all types are familiar with the concept of convolution
which they explain in an orderly manner in terms of of something
called an impulse response.
What does the world say?
2
Les
The origin of social media.
1
Lesson 15
State Variable
Models
Challenge 14
State Variables
Challenge 15
2
Lesson 15
Challenge 14
Two 4-sample signals x[k] = [k-1] and h[k] = [k-2] are to be
convolved using the convolution theorem and a radix-2 FFT (i.e.,
1
Lesson 16
State Determined Systems
Challenge 15
State models and architectures
Challenge 16
2
Lesson 16
Challenge 16
Given
, what is 12[k]?
1
A
0
1
1
A
0
1
2
A
0
1
3
A
0
.
0
Old School:
[k]=Ak
1 1
A
0 1
cfw_ 1,1,1,1,.
[k ]
cfw_ 0, 0, 0, 0,.
3
L
1
Lesson 17
Architecture
Challenge 16
Lesson 17:LTI architectures (Direct II)
Challenge 17
2
Lesson 17
IBM has recently announced a 7nm technology (current state of the art is 10nm).
$3B / 2x performance advance.
3
Lesson 17
Challenge 16
A system (to be c
Project 3: Convolution (Matched Filtering)
Introduction
The acquisition of a signal in a digital communications system requires the convergence of
several signal processing technologies. The major receiver technologies are (1) ADCs, (2)
timing recovery, (