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Test Your EQ #151— Answer

Answer 3
Sampling must be at greater than twice the highest frequency present in the signal (Nyquist criterion).

FS > 2 × 11 kHz > 22 ksamples/second

 

The sampling interval, T, is 1/22000 Hz = 45.5 ms.

 

Contributor: Dave Tweed

Published February 2003

   

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