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Transforms

DCT, FFT, HDL FFT, HDL IFFT, IDCT, IFFT

System Objects

dsp.DCT Discrete cosine transform (DCT)
dsp.IDCT Inverse discrete cosine transform (IDCT)
dsp.FFT Discrete Fourier transform
dsp.HDLIFFT Inverse fast Fourier transform—optimized for HDL code generation
dsp.HDLFFT Fast Fourier transform—optimized for HDL code generation
dsp.IFFT Inverse discrete Fourier transform (IDFFT)

Blocks

Complex Cepstrum Compute complex cepstrum of input
FFT Fast Fourier transform (FFT) of input
IFFT Inverse fast Fourier transform (IFFT) of input
Inverse Short-Time FFT Recover time-domain signals by performing inverse short-time, fast Fourier transform (FFT)
Magnitude FFT Compute nonparametric estimate of spectrum using periodogram method
Real Cepstrum Compute real cepstrum of input
Short-Time FFT Nonparametric estimate of spectrum using short-time, fast Fourier transform (FFT) method
FFT HDL Optimized Fast Fourier transform—optimized for HDL code generation
IFFT HDL Optimized Inverse fast Fourier transform—optimized for HDL code generation
DCT Discrete cosine transform (DCT) of input
DWT Discrete wavelet transform (DWT) of input or decompose signals into subbands with smaller bandwidths and slower sample rates
IDCT Inverse discrete cosine transform (IDCT) of input
IDWT Inverse discrete wavelet transform (IDWT) of input or reconstruct signals from subbands with smaller bandwidths and slower sample rates

Topics

Transform Time-Domain Data into Frequency Domain

Transform sinusoidal signals from the time domain to the frequency domain

Transform Frequency-Domain Data into Time Domain

Transform sinusoidal signals from the frequency domain to the time domain

Linear and Bit-Reversed Output Order

Learn the meaning of linear and bit-reversed data order as used by the FFT and IFFT blocks

Delay and Latency

Configure the Simulink® environment to minimize delay and increase simulation performance

Variable-Size Signal Support DSP System Objects

List of System objects which support variable-sized signals in DSP System Toolbox™.

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