Question: By using MATLAB, Create a sine wave with an angular frequency of pi/4 radians/sample with additive N(0,1) white noise.The signal is 320 samples in length.

By using MATLAB, Create a sine wave with an angular frequency of pi/4 radians/sample with additive N(0,1) white noise.The signal is 320 samples in length. Obtain the periodogram using the default rectangular window and DFT length equal to the signal length. Because the signal is real-valued, the one-sided periodogram is returned by default with a length equal to 320/2+1.

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