## Contents

# Rhea Section for ECE 438: Digital Signal Processing with Applications Professor Boutin, Fall 2009

Course statistics: GPA 2.52

7 As, 9 Bs, 10 Cs, 3 Ds, 2 Fs.

Rhea is now on Facebook.

Prof. Mimi is on facebook too.

** Another Open Source MATLAB-like software!! **
Hey Everyone, this is the link to a new open-source software that is very similar to MATLAB
http://freemat.sourceforge.net/
Dlamba 17:04, 27 November 2009 (UTC)

## Course Info

### Course Related Material

- Course Notes
- Some material for the lecture on DFT (re:leakage effect)
- Graph of the magnitude of the DFT of a windowed filter
- Plots of some basic 2D functions
- Plot of CSFT of some basic 2D filters
- Definitions
- Table of Formulas
- Student Questions
- MP3 Basics

### Homework

*Note that it is perfectly ok to discuss the homework questions on Rhea. In particular, you are allowed to post your own solutions at any time.*--Mboutin 09:40, 25 August 2009 (UTC)

- Homework 0: Statement, Discussion.
- Homework 1: HW1, Discussion, Solution.
- Homework 2: HW2, Discussion, Solution
- Homework 3: Hw3
- Homework 4: HW4, Discussion,Solution
- Homework 5: HW5, Discussion, Solution

- END OF HW RELATED TO TEST 1

- Homework 6: HW6, Discussion, Solution
- Homework 7: HW7, Discussion, Solution
- Homework 8: HW8, Discussion, Solution
- LINKS TO PAGES FOR BONUS: (Read Rhea's disclaimer, then write a comment on at least one page in each row. Copy and paste your comments in an email and send to Prof. Mimi]]

### Labs

*Lab related links and comments*

### Exams

- Test 1 (out of 145)

- Stats: mean=69.7, median=70, std=28.3, grade histogram:
- Please give exam feedback here.

- Test 2 (out of 115)

- Stats: mean=86.7, median=85, std=19.98, grade histogram:
- Please give exam feedback here.

- Final (out of 220)

- Stats: mean=126.9, median=126, Max=195, Min=48
- gradelines: $ A \geq 170 $, $ B \geq 139 $, $ C \geq 100 $, $ D \geq 72 $
- Final Exam Discussion

### Student-Led Recitations

- Student-Led Recitation Guidelines
- There will be up to two recitations on each subject: one on Monday 6-7pm, EE115, and one on Tuesday 6-7pm, EE115.
- Please specify M or Tu next to your name, so we know which day you are available to lead the recitation.

Topic Number | Topic Description | Leader | Recitation Date | Recitation Time | Room Number |
---|---|---|---|---|---|

1 | CT and DT Fourier transform | Hamad Al Shehhi, Tue | 9/1/2009 | 6-7pm | ee115 |

2 | z-transform | Carlos Leon | 9/8/2009 | 6-7pm | ee115 |

3a | sampling part 1 | Michael Wei - Tu | Sept. 15 | 6-7pm | ee115 |

3b | sampling part 2 | name - M/Tu | Sept. 21/22 | 6-7pm | ee115 |

4 | Discrete Fourier transform | Kelli Hacker - M | Sept. 28 | 6-7pm | ee115 |

5 | Fast Fourier transform | Emily Thompson | skip | TBD | TBD |

6 | DT Systems | Ryan Taylor - Tu | TBD | TBD | TBD |

7 | Filtering-Recap | Dhruv Lamba | Tu, Nov 17 | 6-7pm | EE 115 |

8 | Speech | - Mo
Peter Clay - Tu |
Nov. 3 | 6-7pm | EE115 |

9a | Spectral Analysis of 2D signals | Ryan Scheidt - Tuesday | Dec. 1st, Tuesday | 6-7pm | EE115 |

9b | Spectral Analysis of 2D signals | Ren Pan -Mo | Nov. 16(Mo) | 6-7pm | EE115 |

10a | Image Processing | Ananya Panja-Tuesday | Dec 8th,Tue | 6-7pm | EE115 |

10b | Image Processing Recitation | Michael Nolte | TBD | 6-7pm | EE 115 |

11 | Quantization (if time permits) | Your Name | TBD | TBD | TBD |

12 | Encoding (if time permits) | Your Name | TBD | TBD | TBD |

### Useful Links

- http://cobweb.ecn.purdue.edu/~allebach/ece438/supplements/ for the Essential Definitions and Relations Formula Sheet
- Prof. Allebach's Lecture Notes
- Prof. pollak's Note - Useful for the FFT.
- Flash-based 438 tutorials:
- Link Here is a link with a variety of hearing tests, take a look!

### Miscellaneous

- VIP callout!
- Are you considering a career in research? Do you want to know more about the kind of opportunities available for people with a graduate degree? We just had a great talk by Dr. Ken Tobin from Oak Ridge National Lab. His abstract, bio as well as a link to his slides can be found here. Take a look!