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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.

MATLAB files used in the lectures

Lecture notes (some from previous years)

Working with delta functions [from the ADSP class notes] (September 5)

Double-sideband suppressed-carrier (DSB/SC) modulation (September 5)

Intro to the Z-transform Powerpoint (September 10)

Notes on Z-transform properties and inverses (September 10 and September 12) [from 2019]

(Optional) Notes on solution to difference equations (Not covered in lectures, from 2019)

(Optional) Inverse Z-transforms via contour integration (from OS2)

Frequency response from pole/zero locations Powerpoint (September 17)

Notes on allpass, minimum phase, and linear phase systems (September 19)

In-class notes from lectures and recitations

Lecture 1: Introduction to 18-491/18-691 (August 25)

Lecture 2: Intro to discrete-time signals and systems; convolution (August 29

Lecture 4: DT processing in the frequency domain: the DTFT (September 3)

Lecture 5: DTFT examples and properties (September 5)

Lecture 6: Introduction to Z-transforms (September 12)

Lecture 7: Z-transform properties, LSI systems, difference equations and inverses (September 15)

Lecture 8: ZT inverses II; Frequency response from pole/zero locations (September 17)

Recitation 1: Convolution (August 29) Notes, Section A; Notes, Section B

Recitation 2: DTFTs (September 5) ; Notes, Section A; Notes, Section B

Recitation 3: Z-transforms (September 12) Notes, Section A; Notes Section B