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Matlab plot of the spectrum of the signal

Create a simple low-pass filter consisting of 10 1's in a row
lpf = ones(1,10)

Plot the spectrum of the signal using the command:
plot(abs(fft([lpf zeros(1,246)])));

Indicate the frequency of the first zero in the frequency response in terms of the sampling frequency (frequency(bin#) = (bin#-1)*fs/(N_bins)

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Solution Summary

The solution is comprised of Matlab codes and plots of the spectrum of the low pass filter signal.

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