Lecture 13 Blog, ECE438 Fall 2013, Prof. Boutin
Wednesday September 18, 2013 (Week 5) - See Course Outline.
Jump to Lecture 1, 2, 3 ,4 ,5 ,6 ,7 ,8 ,9 ,10 ,11 ,12 ,13 ,14 ,15 ,16 ,17 ,18 ,19 ,20 ,21 ,22 ,23 ,24 ,25 ,26 ,27 ,28 ,29 ,30 ,31 ,32 ,33 ,34 ,35 ,36 ,37 ,38 ,39 ,40 ,41 ,42 ,43 ,44
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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