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.
Transcribed Image Text:
0sks ke. N - ke sks N - 1 X (k), X (k) = 0. ke < k
0sks ke. N - ke sks N - 1 X (k), X (k) = 0. ke < k
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Related Book For
Digital Signal Processing
ISBN: ?978-0133737622
3rd Edition
Authors: Jonh G. Proakis, Dimitris G.Manolakis
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