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18-491/691 Digital Signal Processing: Lectures
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This page will provide MATLAB files scripts and lecture-specific handouts.
M
ATLAB
files used in the lectures
Examples of discrete-time convolution (August 28)
Plotting the DTFT (Auust 31)
Sampling and reconstruction of discrete-time-time functions and aliasing (September 14)
Decimation and interpolation of continuous-time functions and aliasing (September 16)
Lecture notes (some from previous years)
Intro to DSP (Powerpoint) (August 24)
Examples of discrete-time convolution (August 28)
Introduction to the DTFT (August 31) [from 2019]
Working with delta functions [from the ADSP class notes] (September 2)
Double-sideband suppressed-carrier (DSB/SC) modulation (September 4)
Chapter 1 from ADSP notes on sampling CT and DT signals (September 9)
Chapter on STFTs in the ADSP notes (September 16)
Chapter on STFTs by Nawab and Quatieri (September 16)
Intro to the Z-transform Powerpoint (September 23)
Notes on
Z
-transform properties and inverses (September 23 and September 25) [from 2019]
(Optional) Notes on solution to difference equations (Not covered in lectures, from 2019)
(Optional) Inverse Z-transforms via contour integration (Not covered in lectures, from OS2)
In-class notes from lectures and recitations
Lecture 1: Introduction to 18-491/18-691 (August 24)
Lecture 2: Intro to discrete-time signals and systems; convolution (August 26)
Lecture 3: DT processing in the frequency domain: the DTFT (August 31)
Lecture 4: DTFT examples and properties (September 2)
Lecture 6: C/D and D/C conversion (September 9)
Lecture 7: Discrete-time decimation (September 14)
Lecture 8: Introduction to the Short-Time Fourier Transform (STFT) (September 16)
Powerpoint
Lecture 9: Short-time Fourier synthesis (September 21)
Lecture 10: Introduction to Z-transforms (September 23)
Lecture 11: Z-transform properties, difference equations, iteration, and long division (September 28)
Recitation 1: Convolution (August 28)
Notes, Section A
;
Notes, Section B
Recitation 2: DTFTs (September 4) ;
Notes, Section A;
Notes, Section B
Recitation 3: Sampling continuous-time signals (September 11)
Notes, Section A
;
Notes Section B
Recitation 4: Change of sampling rate, intro to STFTs (September 18)
Notes, Section A
;
Notes Section B
Recitation 5 (September 25) STFT synthesis and Intro to z-transforms
Notes, Section A
;
Notes Section B
MATLAB
files used in the lectures
MATLAB
files used in the lectures
Lecture notes (some from previous years)
In-class notes from lectures and recitations