
3.5 Construct the sawtooth wave shown below and use the MATLAB fft routine to find the frequency spectrum of this waveform. Then reconstruct the square wave using the first 24 components using Equation 3.15. Do not plot the spectrum, but plot the original and reconstructed waveform superimposed. Make 1024 and N = 1024 to represent the 1-s periodic waveform. [Hint: The MATLAB fft routine does no scaling; so, you will have
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