Consider the Hamming window of length L = 21.
Compute and plot the log-magnitude response in dB over − π ≤ ω ≤ π . In the plot measure and show the value of the peak of the first sidelobes.
Compute and plot the accumulated amplitude response in dB using the cumsum function. In the plot measure and show the value of the peak of the first sidelobe. Also obtain from the plot the exact transition bandwidth by measuring the interval between the peaks on either side of ω = 0. Express this bandwidth as a function of π/ M .
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Repeat (a) and (b) for L = 41.