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Справка Scilab >> Signal Processing > Transforms

Transforms

  • idctInverse discrete cosine transform.
  • idstInverse discrete sine transform.
  • ifftInverse fast Fourier transform.
  • fft2two-dimension fast Fourier transform
  • fftshiftrearranges the fft output, moving the zero frequency to the center of the spectrum
  • hilbFIR approximation to a Hilbert transform filter
  • ifftshiftinverse of fftshift
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