(a) Determine the z-transform W(z) of the Hanning window (n) = (1 cos2n/N-1)/2. (b) Determine a...

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(a) Determine the z-transform W(z) of the Hanning window ω(n) = (1 – cos2πn/N-1)/2.
(b) Determine a formula to compute the N-point DFT Xω(k) of the signal xw(n) = ω(n)x(n), 0 ≤ n ≤ N – 1, from the N-point DFT X(k) of the signal x(n).

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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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(a) Determine the z-transform W(z) of the Hanning window (n) = (1 cos2n/N-1)/2. (b) Determine a...

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Digital Signal Processing

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