Consider a signal whose time-dependent discrete Fourier transform is computed u...

Consider a signal

whose time-dependent discrete Fourier transform is computed using the analysis window

Let X[n, k] = X[n, 2πk/7) for 0 ≤ k ≤ 6, where X[n, λ) is defined as in Section 10.3.

(a) Determine X[0, k] for 0 ≤ k ≤ 6.