Consider the finite-length sequence x[n] in Figure. The four-point DFT of x[n] is denoted X[k]. Plot the

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Consider the finite-length sequence x[n] in Figure. The four-point DFT of x[n] is denoted X[k]. Plot the sequence y[n] whose DFT is?

Y[k] = W₄^3k X[k].

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Discrete Time Signal Processing

ISBN: 978-0137549207

2nd Edition

Authors: Alan V. Oppenheim, Rolan W. Schafer

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Question Posted: May 26, 2011 02:57 AM

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Consider the finite-length sequence x[n] in Figure. The four-point DFT of x[n] is denoted X[k]. Plot the

Question:

x (n] lir. 3/4 1/2 1/4 -2 -1 0 1 2 3 4 5 6 7 8

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Discrete Time Signal Processing

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