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DFT for (et-t)u(t)signals. Use 1% energy criterion to determine bandwidth. First determine sample N_{0} and sample cycle T. The fft command of matlab draws the
DFT for (et-t)u(t)signals. Use 1% energy criterion to determine bandwidth. First determine sample N_{0} and sample cycle T. The fft command of matlab draws the output graph amplitude spectrum and phase spectrum, at which time Fourier transform result and DFT result are drawn simultaneously. Change the DFT parameters to compare the results so that there is a big difference between the DFT and FT results.
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