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Transforms

Fourier transform, chirp z-transform, DCT, Hilbert transform, cepstrum, Walsh-Hadamard transform

Functions

bitrevorder Permute data into bit-reversed order
cceps Complex cepstral analysis
czt Chirp z-transform
dct Discrete cosine transform (DCT)
digitrevorder Permute input into digit-reversed order
dftmtx Discrete Fourier transform matrix
fft Fast Fourier transform
fwht Fast Walsh–Hadamard transform
goertzel Discrete Fourier transform with second-order Goertzel algorithm
hilbert Discrete-time analytic signal using Hilbert transform
icceps Inverse complex cepstrum
idct Inverse discrete cosine transform
ifwht Inverse Fast Walsh–Hadamard transform
rceps Real cepstrum and minimum phase reconstruction
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