## Purdue University

School of Electrical and Computer Engineering

## Announcement 1: Hmwk 7 now assigned below: on Chap 4. Fourier
Transform. Due Fri, March 22, by 4 pm at MSEE 330..

Announcement 2: Exam 2 will be on Thurs, Mar 28 in-class.
Coverage: Chaps 3-4, Hmwks 6-7.

## Regular Class Time: T Th: 12:00-1:30 PM in EE 117.

## INSTRUCTOR OFFICE HOURS: Prof Zoltowski in MSEE 318: Th F
midday

## INSTRUCTOR EMAIL: michael.zoltowski@gmail.com (preferred) or
mikedz@purdue.edu

## TA OFFICE HOURS: Sara Wendte: Wed.12-1:30 pm in EE208, Wed.
3:30-5 pm in EE209, Fri. 12-2:30 pm in EE208

## TA 1 EMAIL: swendte@purdue.edu

## VIP Exam Dates for Spring 2019:

## Exam 1: Thursday, Feb. 21 in-class. Coverage: Chaps. 1-2

## Spring Break: March 11-15

## Exam 2: Thursday, Mar. 28 Coverage: Chap. 4

## Exam 3: Thursday, Apr. 18. Coverage: Chaps. 7,5 (not 6)

## Finals Week: Apr 29 - May 4 Coverage: Chaps 1,2,3,4,7,5 + Chap
10.

##

# HOMEWORKS:

## SCANNED-IN HMWK PROBLEMS FROM TEXT

## TEXT SCANS PLUS SUPPLEMENTARY INSTRUCTOR NOTES:

## Order that chapters will be covered: 1, 2, 3, 4, 7, 5, 10 (6, 8,
9 not covered).

# CHAPTER 1: SIGNALS

## The notes below will be covered on Jan.
8 and are helpful for Hmwk 1:

## The notes below were covered on Jan.10
and are helpful for Hmwk 1:

# CHAPTER 1: SYSTEMS

## The notes below were covered on Jan.15
and are helpful for Hmwk 2:

## The notes below were covered on Jan.17
and are helpful for Hmwk 2:

# CHAPTER 2: LTI SYSTEMS: IMPULSE RESPONSE AND CONVOLUTION

## The notes below were covered on Jan.
22 on CT convolution. (Sects. 2.2 and 2.3)

## The notes below were covered on Jan.24-26
and are helpful for Homework 3 (Sect. 2.5):

## VIP *Basic Convolution
Results* Most of the short note-sets directly below are
contained in this set of notes

## The notes below will be covered on Jan.
29 on DT convolution (Sect. 2.1)

## The notes below will be covered on Jan.
31 and are helpful for Homework 4:

## The notes below were covered on Feb.5
and are helpful for Exam 1:

## The notes below were covered on Feb.7
and are helpful for Exam 1:

# CHAPTER 3: FOURIER SERIES FOR PERIODIC SIGNALS

## The notes below will be covered on Feb.12
covering key points of CT Fourier Series:

## The notes below will be covered on Feb.14
and Feb. 19 covering key points of DT Fourier Series:

# CHAPTER 4: FOURIER TRANSFORM

## The notes below will be covered on Feb.
26 on Basic Fourier Transform Theory.

## The notes below will be covered on Feb.
28 on Basic Fourier Transform Theory.

## The notes below on Fourier Transform Examples will be covered
on Mar.
5 and are helpful for Hmwk. 6.

## The notes below on Fourier Transform Examples will be covered
on Mar.7

## VIP Handout for Exam 2 on Sinc Function Products: Sinc Function Products

## The FT notes below on Multiplying a Signal by a Sinewave and
Gaussian Signals to be covered on Mar.
7

## The notes below on Removing Negative Frequency Content will be
covered on Mar.19

## Hmwk 7 Help: add'l FT Examples
Homework 7 Help

## Scan of Chapter 8 of O&W Textbook on Communication Theory:
O&W Textbook Chap. 8.

## The notes below on Further Insights into the Fourier Transform
will be covered on Mar.
21 and are helpful for Exam 2.

## Exam 2 Help: add'l FT Example: Text Prob 4.25 Text Prob. 4.25

## Fourier Transform Tables where units for frequency variable is
Hertz: Fourier Transform
Tables

# CHAPTER 7: SAMPLING THEORY

##

## The notes below on Basic Sampling Theory will be covered on Mar.
2and use figures from the beginning of Chapter 7 in the
text.

## The notes below on Basic Sampling Theory will be covered on Apr
3 related to Sampling Theory.

## The notes below related to Sampling Theory and helpful for Hmwk
8 will be covered on Apr.4

## Digital Upsampling for Practical D/A Conversion Apr.
10

## Matlab example of LDPC code: 1 bit per symbol ldpceg.m ; Matlab example of LDPC code: 2
bits per symbol ldpcQAMeg.m

## Matlab example of Digital Upsampling and Zero-Order-Hold DAC ZOHeg2.m

##

# CHAPTER 5: DISCRETE-TIME FOURIER TRANSFORM

##

## The notes below on the Discrete-Time Fourier Transform (DTFT)
were covered on Apr.12
and also relate the DTFT to the CT Fourier Transform:

## Discrete-Time Fourier Transform (DTFT)Basics DTFT Basics

## The notes below related to the DTFT and helpful for Hmwk 8 will
be covered on Apr.
17

## Revised Table 5.1 of DT Fourier Transform Properties : Notation-Revised Table 5.1

## Supplemental notes on Chap.5 related to frequency response of
LTI systems described by difference equations. Chap. 5 Supplement

##

# CHAPTER 10: Z-TRANSFORM

##

## The notes below related to the Z-Transform and will be covered
on Apr.
24
and 26

## Supplemental notes on All-Pass Filters. All-Pass Filters

## Reference for CAT Scan Theory, and 2-D Fourier Transform: Section_6.4 ; Supplementary
Notes: Theory of CT Scans

##

## Exam 2: Thurs., Mar. 30, in ME 1061 4:30-5:45 pm. Coverage:
Chap. 4, Hmwks 6-7. Fourier Transform. Open-Book plus one 8.5 x 11
crib sheet. Revised Tables 4.1 and 4.2 given at exam as separate
handout: Revised
Tables 4.1 and 4.2 ; No calculator.

## *VIP* Please print your name legible on the homeworks + your
assigned number

## Exam 1: Thurs., Feb. 22, in ME 1061 4:30-5:45 pm. Coverage:
Chaps. 1-2, Hmwks 1-4. More emphasis on Chap. 2. Open-Book plus
one 8.5 x11 crib sheet. Exam 1 Cover Sheet: Exam 1 Cover Sheet Executive
Summary: Executive Summary for
Exam 1 ;
Advanced Convolution Result: Gaussian Signals

## OLD EXAM 1's:

##

## Exam 1 from Spring 2016: Exam 1
; Exam 1 Soln: Exam 1 Soln ;
; Exam 1 Stats: Exam 1 Stats ;

## Exam 1: Thurs., Feb. 25, in ME 1061 4:30-5:45 pm. Exam 1 ;; Condensed Exam 1

##

and Solution to Exam 1.
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## OLD EXAM 2's :

##

### Exam 2 Coverage: Primarily Text Chapter 4, Homeworks 6-7. The
primary topic covered is the Fourier Transform, properties and
pairs. Only a single handwritten two-sided crib sheet is allowed
for this exam, in addition to the textbook (open book) No
calculators. A table of Fourier Transform properties will be
attached to the exam, with the j notation removed and some
additions (e.g. Duality property) relative to Table 4.1 in the
textbook.

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## OLD EXAM 3's:

##

### Exam 3 Coverage: Primarily Text Chapters 7 and 5, Homeworks
8-9. Primary coverage topics: Sampling Theory and Discrete-Time
Fourier Transform, properties and pairs. Also, relationship
between DTFT and Fourier Transform when the DT signal was obtained
by sampling a CT (analog) signal. Also, frequency response of DT
LTI systems described by difference equations.

##

## Exam 3 from Spring 2015: Solution:
Exam 3 Solution ; Exam 3 Statistics: Exam 3 Stats

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## OLD FINAL EXAMs:

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Supplementary reading materials: