Consider a signal x n sin ( n 2) 2 u n whose time dependent discrete Fourier transform is computed using the analysis window S1 0sns 13 0 otherwise w n 3D Let X n k X(n 2rk 7) for 0 s ks 6 where X n 2) is defined as in Section 10 3 (a) Determine X 0 k for 0 k s 6 (b) Evaluate X n, k for 0 n 00 ...

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Consider a signal x[n] = [sin (?n/2)]2 u[n] whose time-dependent

Consider a signal x[n] = [sin (?n/2)]2 u[n] whose time-dependent discrete Fourier transform is computed using the

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Consider a signal x[n] = [sin (?n/2)]2 u[n] whose time-dependent discrete Fourier transform is computed using the analysis window .

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S1. 0sns 13. 0. otherwise. w[n] = %3D Let X[n. k] = X(n. 2rk/7) for 0 s ks 6. where X[n. 2) is defined as in Section 10.3. (a) Determine X[0. k] for 0 < k s 6. (b) Evaluate - X [n, k] for 0 < n < 00.

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a Using the definition of the timedependent Fourier ...View the full answer

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Discrete Time Signal Processing

ISBN: 978-0137549207

2nd Edition

Authors: Alan V. Oppenheim, Rolan W. Schafer

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Question Posted: May 26, 2011 02:57 AM

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