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Fourier transform: Plot the magnitude of the spectrum of the following signals

Plot the magnitude of the spectrum of the following signals. Use properties of Fourier transform to help.

a. e^(-at) u(t), a>0
b. sinc(t) (sinc function)
c. e^(t) (u(t) - u(t-1))
d. sinc(t)*e^(-t)u(t) (where * denotes convolution)

Solution Summary

With an explanation, a graph and formulas, the problem is solved.

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