Scilab 5.4.1
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Please note that the recommended version of Scilab is 2025.0.0. This page might be outdated.
See the recommended documentation of this function
Signal Processing
- filters
- analpf — create analog low-pass filter
- buttmag — Power transmission of a Butterworth filter
- casc — cascade realization of filter from coefficients
- cheb1mag — response of Chebyshev type 1 filter
- cheb2mag — response of type 2 Chebyshev filter
- convol — convolution
- ell1mag — magnitude of elliptic filter
- eqfir — minimax approximation of FIR filter
- eqiir — Design of iir filters
- faurre — filter computation by simple Faurre algorithm
- ffilt — coefficients of FIR low-pass
- filter — filters a data sequence using a digital filter
- find_freq — parameter compatibility for elliptic filter design
- frmag — magnitude of FIR and IIR filters
- fsfirlin — design of FIR, linear phase filters, frequency sampling technique
- group — group delay for digital filter
- iir — iir digital filter
- iirgroup — group delay Lp IIR filter optimization
- iirlp — Lp IIR filter optimization
- kalm — Kalman update
- lev — Yule-Walker equations (Levinson's algorithm)
- levin — Toeplitz system solver by Levinson algorithm (multidimensional)
- lindquist — Lindquist's algorithm
- remezb — Minimax approximation of magnitude response
- srfaur — square-root algorithm
- srkf — square root Kalman filter
- sskf — steady-state Kalman filter
- system — observation update
- trans — low-pass to other filter transform
- wfir — linear-phase FIR filters
- wiener — Wiener estimate
- wigner — 'time-frequency' wigner spectrum
- window — compute symmetric window of various type
- zpbutt — Butterworth analog filter
- zpch1 — Chebyshev analog filter
- zpch2 — Chebyshev analog filter
- zpell — lowpass elliptic filter
- How to
- How to design an elliptic filter — How to design an elliptic filter (analog and digital)
- identification
- miscellaneous
- spectral_estimation
- corr — correlation, covariance
- cspect — two sided cross-spectral estimate between 2 discrete time signals using the correlation method
- czt — chirp z-transform algorithm
- intdec — Changes sampling rate of a signal
- mese — maximum entropy spectral estimation
- pspect — two sided cross-spectral estimate between 2 discrete time signals using the Welch's average periodogram method.
- transforms
- .#mfft.xml
#mfft.xml#
CHAPTERS
dct.xml
dft.xml
dft.xml~
dst.xml
fft.xml
hank.xml
hilb.xml
mfft.xml
mfft.xml~
- idct — Inverse discrete cosine transform.
- dft (deprecated) — discrete Fourier transform This function is obsolete.
- idst — Inverse discrete sine transform.
- ifft — fast Fourier transform.
- hank — covariance to hankel matrix
- hilb — FIR approximation to a Hilbert transform filter
- mfft — multi-dimensional fft
- cepstrum — cepstrum calculation
- conv — discrete 1-D convolution.
- conv2 — discrete 2-D convolution.
- convol2d — discrete 2-D convolution, using fft.
- detrend — remove constant, linear or piecewise linear trend from a vector
- fft2 — two-dimension fast Fourier transform
- fftshift — rearranges the fft output, moving the zero frequency to the center of the spectrum
- filt_sinc — samples of sinc function
- frfit — frequency response fit
- hilbert — Discrete-time analytic signal computation of a real signal using Hilbert transform
- mrfit — frequency response fit
- remez — Remez exchange algorithm for the weighted chebyshev approximation of a continuous function with a sum of cosines.
- syredi — Design of iir filters, syredi code interface
- wfir_gui — Graphical user interface that can be used to interactively design wfir filters
- xcorr — Computes discrete auto or cross correlation
- xcov — Computes discrete auto or cross covariance
- yulewalk — least-square filter design
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