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(Solution) - a Determine the z transform W z of the Hanning window

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(a) Determine the z-transform W(z) of the Hanning window ?(n) = (1 ? cos2?n/N-1)/2.


(b) Determine a formula to compute the N-point DFT X?(k) of the signal xw(n) = ?(n)x(n), 0 ? n ? N ? 1, from the N-point DFT X(k) of the signal x(n).


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This question was answered on: Jul 11, 2017

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