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Results tagged with fft
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user 69809
The fast Fourier transform is an efficient algorithm to compute the discrete Fourier transform (DFT) and its inverse.
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Improving Main Lobe Width of FFT
If your goal is still to recover the Fourier transform of scenario 3 then I suggest you try the EDFT program, written in Matlab code and available on fileexchange . To calculate the DFT, first replace …
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Real part of signal
Since the harmonic frequency is not on the DFT grid - it lies between the nearest grid frequencies - 148 Hz and 152 Hz. Therefore, most, but not all, of the harmonic power is equally split between the …