Let X(k), 0 ? k ? N ? 1, be the N ? point DFT of the

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Let X(k), 0 ? k ? N ? 1, be the N ? point DFT of the sequence x(n), 0 ? n ? N ? 1. We defined and we compute the inverse N-point DFT of X(k), 0 ? n ? N ? 1. What is the effect of this process on the sequence x(n)? Explain.

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Digital Signal Processing

ISBN: ?978-0133737622

3rd Edition

Authors: Jonh G. Proakis, Dimitris G.Manolakis

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Question Posted: May 26, 2011 02:58 AM

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Let X(k), 0 ? k ? N ? 1, be the N ? point DFT of the

Question:

0sks ke. N - ke sks N - 1 X (k), X (k) = 0. ke < k

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xk may be viewed as the product of Xk w...View the full answer

Digital Signal Processing

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