Let X(k) be the N-point DFT of the sequence x(n), 0 ? n ? N ? 1.

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Let X(k) be the N-point DFT of the sequence x(n), 0 ? n ? N ? 1. We define a 2N-point sequence y(n) as,?

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Express the 2N-point DFT of y(n) in terms of X(k).

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Digital Signal Processing

ISBN: ?978-0133737622

3rd Edition

Authors: Jonh G. Proakis, Dimitris G.Manolakis

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