Scilab 6.1.0
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transforms
- idct — Inverse discrete cosine transform.
- idst — Inverse discrete sine transform.
- ifft — Inverse fast Fourier transform.
- fft2 — two-dimension fast Fourier transform
- fftshift — перегруппировывает результат БПФ, сдвигая нулевую частоту в центр спектра
- hilb — FIR approximation to a Hilbert transform filter
- ifftshift — inverse of fftshift
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