## Purdue University

School of Electrical and Computer Engineering

## Last Updated: Thursday, 2/11/16, 3:38 PM.

## Hmwk 4 on DT Convolution. New
Due Date: Fri., Feb. 12 by 5 pm, at MSEE 330, Secretary's Office:
look for box marked ECE301. Hmwk 4 Help below.

## Exam 1: Thurs., Feb. 25, in ME 1061 4:30-5:45 pm. Coverage:
Chaps. 1-2, Hmwks 1-4. Open-Book plus one 8.5 x11 crib sheet

## Meets T Th: 4:30-5:45 PM in EE117.

## INSTRUCTOR OFFICE HOURS: Prof Zoltowski in MSEE 318: T R
1:00-3:00 pm, M W 12:30-2:00 pm

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

## TA OFFICE HOURS: Xianglun Mao in MSEE 399: M W 10:30 am -noon,
T 1 pm - 3 pm, Th 11am-1pm

## TA 1 EMAIL: mao48@purdue.edu

## VIP Exam Dates for Spring 2016:

## Exam 1: Thursday, Feb. 25 in-class. Coverage: Chaps. 1-2

## Spring Break: March 14-19

## Exam 2: Thursday, Mar. 24 OR Tuesday, Mar. 28. Coverage: Chaps.
3-4

## Exam 3: Tuesday, Apr. 19 OR Thursday, Apr. 21. Coverage: Chaps.
7,5 (not 6)

## Finals Week: May 2-7 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.12
and are helpful for Hmwk 1:

## The notes below were covered on Jan.14
and are helpful for Hmwk 1:

# CHAPTER 1: SYSTEMS

## The notes below were covered on Jan.19
and are helpful for Hmwk 2:

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

# CHAPTER 2: LTI SYSTEMS: IMPULSE RESPONSE AND CONVOLUTION

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

## The notes below were covered on Jan.28
and are helpful for Homework 3 (Sect. 2.5):

## The notes below will be covered on Feb.2
on DT convolution (Sect. 2.1)

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

## The notes below were covered on Feb.9
and are helpful for Exam 1:

## The notes below were covered on Feb.11
and are helpful for Exam 1:

# CHAPTER 3: FOURIER SERIES FOR PERIODIC SIGNALS

## The notes below will be covered on Feb.16
covering key points of CT Fourier Series:

## The notes below will be covered on Feb.18
covering key points of DT Fourier Series:

# CHAPTER 4: FOURIER TRANSFORM

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

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

## The notes below on Fourier Transform Examples will be covered
on Mar.
3 and are helpful for Hmwk. 6. **VIP** Prob 4.21 (d) and
(i) added to end

## The notes below on Fourier Transform Examples will be covered
on Mar.
8
and are helpful for Hmwk.7 and Old Exam 2's.

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

## The notes below on Fourier Transform of Multiplying a Signal by
a Sinewave and Gaussian Signals will be covered on Mar.
10 and are helpful for Exam 2.

## Application of Fourier Transform Theory: Multiplying Signal
with Sinewave: Multiplying
Signal by a Sinewave

## Scan of Chapter 8 of O&W Textbook on Communication Theory Mar.15

## The notes below on Removing Negative Frequency Content will be
covered on Mar.17
and are helpful for Exam 2.

## The notes below on Further Insights into the Fourier Transform
will be covered on Mar.
29
and 31 and are helpful for Exam 2.

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

## Miscellaneous Notes on Fourier Transforms:

# CHAPTER 7: SAMPLING THEORY

##

## The notes below on Basic Sampling Theory will be covered on Mar.
31
and use figures from the beginning of Chapter 7 in the
text.

## The notes below on Basic Sampling Theory will be covered on Apr.2
related to Sampling Theory.

## Ideal Reconstruction of Bandlimited Signal from its Samples Ideal Signal
Reconstruction

## The notes below related to Sampling Theory and helpful for Hmwk
8 will be covered on Apr.
7

## Digital Upsampling for Practical D/A Conversion Apr.
9

## 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

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

##

# CHAPTER 5: DISCRETE-TIME FOURIER TRANSFORM

##

## The notes below on the Discrete-Time Fourier Transform (DTFT)
were covered on Apr.14
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.
16

## 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.
21
and 23

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

##

## OLD EXAM 1's:

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

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### 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:

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### 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: