19 - Sampling theorem – sample the message at twice the...

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Atom bomb is one of the most disruptive inventions of the 20 th century Telephone and telegraph were communications systems before the Shannon Model Shannon model describes ANY communication system in generalized and easy terms - 5 discrete elements – All models are simplifications of reality The taller the amplitude – the louder it is The longer the frequency – the lower it is
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Unformatted text preview: Sampling theorem – sample the message at twice the frequency-A message that passes through 0 at F amount of times, if you sample this at 2F amount of times, you will have enough information to recreate the message-Capture less than all of the information and still create a perfect copy-Has to be a symmetrical wave In talking, the signal is the air pressure...
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This note was uploaded on 09/27/2011 for the course EAS 125 taught by Professor Blaze during the Spring '11 term at UPenn.

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