Main Content

Transform Data

Transform data between time and frequency domains

Functions

fftFast Fourier transform (FFT) of iddata object
ifftTransform iddata objects from frequency to time domain
etfeEstimate empirical transfer functions and periodograms
spaEstimate frequency response with fixed frequency resolution using spectral analysis
spafdrEstimate frequency response and spectrum using spectral analysis with frequency-dependent resolution

Examples and How To

Concepts