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If we down-sample a signal x(n), then the resulting signal will be an aliased version of x(n).

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If we down-sample a signal x(n), then the resulting signal will be an aliased version of x(n).

(a) True

(b) False

I got this question by my college professor while I was bunking the class.

This is a very interesting question from Decimation by a Factor D topic in portion Multirate Digital Signal Procesing of Digital Signal Processing

1 Answer

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Right option is (a) True

Best explanation: We know that if we reduce the sampling rate simply by selecting every D^th value of x(n), the signal will be an aliased version of x(n).

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