File:Sampled-sines-cosines-aliasing.png

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I drew this figure using idraw on my Pentium-based wearable computer, in order to illustrate the concept of negative frequency to my ECE431 elecrical engineering class at the University of Toronto.

I license this illustration for use in Wikipedia, under Lua error in package.lua at line 80: module 'strict' not found.Lua error in package.lua at line 80: module 'strict' not found..

Also see

http://commons.wikimedia.org/wiki/File:Aliasing_between_a_positive_and_a_negative_frequency.png


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