Question

Using MATLAB calculate and plot the DTFT magnitude and phase for each of the following signals. (a) x[n] = n(u[n] - u[n - 17]) Use L = 16, 32 point DFTs to identify the DTFTs and show your plots for -? ? ? ? ? for each case of L separately. (b) x[n] = ((1/8)^n + (1/2)^n)(u[n] - u[n - 33]) Assume that x[n] is obtained through uniform sampling with sampling period Ts = 0.01 without aliasing. Use L = 32, 64 point DFTs to identify the DTFTs and show your plots for -fs/2 ? f ? fs/2 for each case of L separately.

          Using MATLAB calculate and plot the DTFT magnitude and phase for each of the following signals.

(a)

x[n] = n(u[n] - u[n - 17])

Use L = 16, 32 point DFTs to identify the DTFTs and show your plots for -? ? ? ? ? for each case of L separately.

(b)

x[n] = ((1/8)^n + (1/2)^n)(u[n] - u[n - 33])

Assume that x[n] is obtained through uniform sampling with sampling period Ts = 0.01 without aliasing. Use L = 32, 64 point DFTs to identify the DTFTs and show your plots for -fs/2 ? f ? fs/2 for each case of L separately.

Using MATLAB calculate and plot the DTFT magnitude and phase for each of the following signals.

(a)

x[n] = n(u[n] - u[n - 17])

Use L = 16, 32 point DFTs to identify the DTFTs and show your plots for -? ? ? ? ? for each case of L separately.

(b)

x[n] = ((1/8)^n + (1/2)^n)(u[n] - u[n - 33])

Assume that x[n] is obtained through uniform sampling with sampling period Ts = 0.01 without aliasing. Use L = 32, 64 point DFTs to identify the DTFTs and show your plots for -fs/2 ? f ? fs/2 for each case of L separately.

Added by David V.

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