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Transforms

Fourier, Cosine, and Wavelet transforms

Objects

dsp.FFTDiscrete Fourier transform
dsp.IFFTInverse discrete Fourier transform (IDFT)
dsp.ISTFTInverse short-time FFT
dsp.STFTShort-time FFT
dsp.ZoomFFT High-resolution FFT of a portion of a spectrum

Blocks

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Complex CepstrumCompute complex cepstrum of input
FFTFast Fourier transform (FFT) of input
IFFTInverse fast Fourier transform (IFFT) of input
Inverse Short-Time FFTRecover time-domain signals by performing inverse short-time, fast Fourier transform (FFT)
Magnitude FFTCompute nonparametric estimate of spectrum using periodogram method
Real CepstrumCompute real cepstrum of input
Short-Time FFTNonparametric estimate of spectrum using short-time fast Fourier transform (STFT) method
Zoom FFTHigh-resolution FFT of a portion of a spectrum
DCTDiscrete cosine transform (DCT) of input
DWTDiscrete wavelet transform (DWT) of input or decompose signals into subbands with smaller bandwidths and slower sample rates
IDCTInverse discrete cosine transform (IDCT) of input
IDWTInverse discrete wavelet transform (IDWT) of input or reconstruct signals from subbands with smaller bandwidths and slower sample rates
Wavelet ScatteringModel wavelet scattering network in Simulink

Topics