Compute the Discrete Fourier Coefficients X[k] for the N-periodic version of the following finite- length sequences: x[n] = [n-no], 0≤ n ≤N−1, N > n。 plot X[k] on the unit circle from k = 0 to N - 1 for the cases below: a. N = 4, no = 1 b. N = 16, no = 3

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