Latest revision as of 04:42, 18 September 2013

Lecture 13 Blog, ECE438 Fall 2013, Prof. Boutin

Wednesday September 18, 2013 (Week 5) - See Course Outline.

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Today we continued talking about sampling. We took the general point of view where x(t) is multiplied by some repeated function g(t), and we showed that such a sampling clearly contains the CTFT of x(t) in the low-frequencies. We re-derived Nyquist condition for perfect reconstruction.

Relevant Rhea links

• An animated aliasing example, written by an ECE301 student a while back.
• a page on the Nyquist theorem, with links to applets, written by an ECE301 student a while back.
• A hub page on the topic of "Nyquist's Sampling Theorem"

Action Items

• Keep working on the fourth homework. It's due Friday.

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