Question: 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.

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] =

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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