Lecture 4 Blog, ECE438 Fall 2014, Prof. Boutin

Wednesday September 3, 2013 (Week 2) - See Course Outline.

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In the fourth lecture, we finished computing the Fourier transform of a rep, and we computed the Fourier transform of a comb. We then began the second topic: "Spectral representation of DT signals". After giving the formulas for the DTFT and the inverse DTFT, we observed the periodicity property of the DTFT and computed the DTFT of a complex exponential.

Action items:

• Finish the first homework. It is due Friday (in class).

Relevant Rhea pages:

• Table of DT Fourier transform pairs and properties

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