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The sequence \(\bar{v}(n)\) can be obtained by multiplying v(n) with a signal p(n) of period D.

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The sequence \(\bar{v}(n)\) can be obtained by multiplying v(n) with a signal p(n) of period D.

(a) True

(b) False

I had been asked this question during a job interview.

The query is from Decimation by a Factor D in chapter Multirate Digital Signal Procesing of Digital Signal Processing

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Right option is (a) True

Explanation: \(\bar{v}(n)\) can be viewed as a sequence obtained by multiplying v(n) with a periodic train of impulses p(n) with period D.

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