EE477: Digital Signal Processing

Discuss final exam topics, work on quick self test for latter portion of course.

NOTE:  The FINAL EXAM will be held in the regular classroom 6-7:50PM on Thursday, May 4, 2006.  The exam will be comprehensive.  Closed book:  you may bring a single sheet of notes, a calculator, and a pencil.

I will have pizza on hand at about 5:45PM:  come and have a bite to eat before the exam starts!  Bring your own beverage.

Lab: The memo report for Lab #10 is due at the start of the lab session.

Work on Lab #11 (FFT processing).

Lab handout pdf

Here are the files:  block_fft.m     noisy_speech.wav

Please turn in the check off sheet at the end of the lab period:  no memo report for this lab.

Apr. 19 W

DFT properties, time windows, cont.  FFT algorithms.

[lecture notes fft htm]  [lecture notes fft pdf]

Chapter 9:  Spectral Analysis, DFT, and spectral sampling

[lecture notes 9 htm]  [lecture notes 9 pdf]

No class this day (University Day holiday).

Lab: The memo report for Lab #9 is due at the start of the lab session.

Work on Lab #10 (The z, n, and w Domains).

NOTE that we needed to modify the file PEZ_HIT.M from the DSPFIRST\PEZ_31 directory.  Here is the modified PEZ_HIT.M . This change has been made on the PCs in the lab, but if you are using your own computer be sure to get the updated file.
 

Apr. 12 W

Exam #2 in class.

Results:  hi=99/100, lo=68/100, avg=84/100

Apr. 10 M

Review for exam; also start Chapter 9 Spectral Analysis material.

Note:  Exam #2 is scheduled for Wednesday, April 12, 2006.  The exam will be closed book, but you may bring a single sheet of notes, a pencil, and a calculator.  Exam coverage is primarily from Exam #1 up through Wednesday, April 5.

Second-order IIR function characteristics.

Lab: The memo report for the second part of Lab #8 is due at the start of the lab session.

Work on Lab #9 (Sampling and Zooming of Images).

Apr. 5 W

Inverse z-transforms via partial fraction expansions.

Here are the solution manual results for 7.12, 8.3, 8.14, 8.18.

Apr. 3 M

z-transform tables: forward and inverse transforms

Note:  Exam #2 is scheduled for Wednesday, April 12, 2006.  More details to follow.

Mar. 31 F

Region of convergence properties.

Lab: The memo report for the first part of Lab #8 is due at the start of the lab session.

Work on the second half of Lab #8, parts 3.4-3.9, this week (Filtering and Edge Detection of Images).

The Lab #8 3.4-3.9 reports will be do at lab time on Thursday, April 6.

Mar. 29 W

IIR poles and zeros; inverse z-transforms; partial fractions.

[lecture notes 8b htm]  [lecture notes 8b pdf]

Mar. 27 M

Direct-form I and Direct-form II filter structures and considerations.

Mar. 24 F

IIR difference equations (cont.)

Lab: The memo report for Lab #7 is due at the start of the lab session.

Work on Lab #8 (Filtering and Edge Detection of Images). We will be doing parts 1 through 3.3 this week.  We will do the remaining parts (3.4-3.9) of Lab #8 next week.

The Lab #8 1-3.3 reports will be do at lab time on Thursday, March 30.

Mar. 22 W

IIR difference equations, direct-form filter structure, and computation examples.

Assigned: Homework problems from the text:  7.12,  8.3,  8.14,  8.18.
Solutions are due at the start of class on Friday 31 March 2006.

Mar. 20 M

Chapter 8 (IIR)

[lecture notes 8a htm]  [lecture notes 8a pdf]

Mar. 13-17

Spring Break Week (no class or lab)

Mar. 10 F

Finish Chapter 7 material, start Chapter 8 (IIR).

Have a good spring break! (no class March 13-17).

Here are the solution manual results for 6.17, 6.18, 7.4, and 7.9.

Lab: The memo report for Lab #6 is due at the start of the lab session.

Work on Lab #7 (Everyday Sinusoidal Signals). We will be doing parts 7.1-7.4 only (Laboratory A).

You may do Laboratory B (parts 7.5 and 7.6) for extra credit if you wish. The Lab #7 reports will be do at lab time on Thursday, March 23 (after spring break).

Mar. 8 W

Visualizing system characteristics from the pole and zero positions.

[lecture notes 7b htm]  [lecture notes 7b pdf]

Mar. 6 M

z-transforms (cont.):  relationship between z-transform and the frequency response.

Assigned: suggested supplementary problems from the text:  6.17, 6.18, 7.4, 7.9

Here is the Matlab function I used during the lecture to help visualize the z-plane:  zview.m .

Mar. 3 F

z-transforms (cont.):  definition and interpretation.

Mar. 2 Th

Lab:  Work on Lab #6 (Filtering Sampled Waveforms).  This lab involves more FIR filtering, but now using some real data.  Lab reports are due at the start of lab next week.

Mar. 1 W

Return and discuss exam #1 results.

Finish frequency response material, start z-transforms.

Assigned:  Read and understand Chapter 7.

[lecture notes 7a htm]  [lecture notes 7a pdf]

Feb. 27 M

Exam #1 in class.  Coverage up through Chapter 6.  The exam is open book and open notes:  please bring a pencil and calculator.

Feb. 24 F

Review for exam #1.  Self-test administered and discussed in class (not collected).

Solutions for HW#2 posted on the bulletin board outside my office.

Feb. 23 Th

Lab: No lab this week.  Enjoy the time off, but be sure to study for the midterm exam!

Lab #5 is due at my office (or in my mailbox in the ECE office) by 5PM.

Feb. 22 W

Frequency response characteristics and properties (cont.)

Feb. 20 M

No class meeting this day (Presidents' Day Holiday).

Feb. 17 F

Frequency response characteristics and properties.

Suggested supplementary problems from the text:  5.5, 5.11, 6.4

Feb. 16 Th

Lab: The memo report for Lab #4 is due at the start of the lab session.

Work on Lab #5 (FIR Filtering of Sinusoidal Waveforms).  This lab involves concepts of FIR filter implementations and frequency response.

Reminder:  we will NOT have a lab session next week (Feb. 23), so your reports on Lab #5 will be due at my office (or in my mailbox in the ECE office) by 5PM that day.

Feb. 15 W

Complete discussion of convolution; begin frequency response of FIR systems.

Homework #2 is due at the start of class.

Assigned:  Read and understand Chapter 6.

[lecture notes 6 htm]  [lecture notes 6 pdf]

Feb. 13 M

LTI systems and convolution.

Feb. 10 F

Linear Time Invariant (LTI) systems and principles.

Note:  Exam #1 is tentatively scheduled for Monday, February 27, 2006.  More details to follow.

[lecture notes 5b htm]  [lecture notes 5b pdf]

Feb. 9 Th

Lab: The memo report for Lab #3 is due at the start of the lab session.

Work on Lab #4 (AM and FM Sinusoidal Signals).  NOTE that we will be doing only sections 1-3 (Lab A) of this lab.  Please do section 3.3 (even though it is labeled "optional"). You may work on Lab B (sections 4 and 5) for extra credit if you wish.

Feb. 8 W

FIR filter structures and examples.

Feb. 6 M

Complete Chapter 4 (reconstruction) and start Chapter 5 (FIR filters)

Assigned:  Read and understand Chapter 5.

Assigned:  Homework #2 (due on Wednesday 15 February 2006 at the start of class):
From the text: 4.5, 4.8, 4.19; 5.2, 5.3

[lecture notes 5a htm]  [lecture notes 5a pdf]

Feb. 3 F

Sampling:  continuous to discrete-time (cont.)

Feb. 2 Th

Lab: The memo report for Lab #2 is due at the start of the lab session.

Work on Lab #3 (Synthesis of Sinusoidal Signals).  NOTE that the musicgui application does not work with the updated version of Matlab:  just leave out the musicgui section.

Feb. 1 W

Sampling:  continuous to discrete-time (cont.)

Assigned: Read and understand the Chapter 4 material.

Jan. 30 M

Music signals and conventions

Homework #1 is due at the start of class.

[Introduction to Musical Acoustics handout pdf]

Jan. 27 F

Sampling:  continuous to discrete-time

[lecture notes 4 htm]  [lecture notes 4 pdf]

Jan. 26 Th

Lab: The memo report for Lab #1 is due at the start of the lab session.

Work on Lab #2 (Introduction to Complex Exponentials).  Please print out a copy of the lab experiment (.pdf file on the CD) prior to the lab session and bring it with you.  The lab memo report is due at the start of the lab period next week (2/2/2006).

Jan. 25 W

Frequency spectrum, instantaneous frequency (cont.)

[lecture notes 3 htm]  [lecture notes 3 pdf]

Jan. 23 M

Frequency spectrum

Assigned: Homework #1 (due on Monday 30 January 2006 at the start of class):

From the text:  2.4, 2.15;  3.4, 3.6

Jan. 20 F

Complex exponentials (cont.); begin frequency spectrum

Assigned: Read and understand the Chapter 3 material.

Jan. 19 Th

Lab:  Work on Lab #1 from the textbook.  Please print out a copy of the lab experiment (.pdf file on the CD or hyperlink above) prior to the lab session and bring it with you.  The lab memo report is due at the start of the lab period next week (1/26/2006).

Jan. 18 W

Complex exponentials, phasors, and periodic signals (cont.)

Pre-tests are due at the start of class.

Jan. 16 M

No class:  Martin Luther King Day

Jan. 13 F

Complex exponentials, phasors, and periodic signals

Assigned:  Take-home Prerequisite Test (due Wednesday 1/18/2005 at the start of class).

NOTE: problem #1 on the pre-test has an error.  The differential equation should be:

d²y(t)/dt²  + 2 dy(t)/dt + y(t) = x(t)

( the y(t) before the = sign was incorrectly a 1 )

[lecture notes 2 htm]  [lecture notes 2 pdf]

Jan. 12 Th

(no lab this week)

Jan. 11 W

First class meeting at 10:00AM in Cobleigh Hall 632.
Introduction, class overview, lab overview.
Signals in continuous and discrete time.
[lecture notes 1 htm]  [lecture notes 1 pdf]
 

NOTE:  there will not be a lab on January 12!