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Signal Scilab Group Scilab Function Signal
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Signal - Signal manual description
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analpf : analog low-pass filter
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buttmag : squared magnitude response of a Butterworth filter
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casc : creates cascade realization of filter
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cheb1mag : square magnitude response of a type 1 Chebyshev filter
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cheb2mag : square magnitude response of a type 1 Chebyshev filter
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chepol : recursive implementation of Chebychev polynomial
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convol : convolution of 2 discrete series
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ell1 mag : squared magnitude of an elliptic filter
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eqfir : minimax multi-band, linear phase, FIR filter
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eqiir : design of iir filter
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faurre : optimal lqg filter.
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lindquis : optimal lqg filter lindquist algorithm
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ffilt : FIR low-pass,high-pass, band-pass, or stop-band filter
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filter : compute the filter model
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find_freq : parameter compatibility for elliptic filter design
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findm : for elliptic filter design
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frmag : magnitude of the frequency responses of FIR and IIR
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fsfirlin : design of FIR, linear phase (frequency sampling
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fwiir : optimum design of IIR filters in cascade realization,
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iir : designs an iir digital filter using analog filter
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iirgroup : group delay of iir filter
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iirlp : Lp IIR filters optimization
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group : calculate the group delay of a digital filter
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optfir : optimal design of linear phase filters using linear
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remezb : minimax approximation of a frequency domain magnitude
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kalm : Kalman update and error variance
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lev : resolve the Yule-Walker equations :
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levin : solve recursively Toeplitz system (normal equations)
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srfaur : square-root algorithm for the algebraic Riccati
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srkf : square-root Kalman filter algorithm
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sskf : steady-state Kalman filter
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system : generates the next observation given the old state
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trans : transformation of standardized low-pass filter into
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low-pass, high-pass, band-pass, stop-band.
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wfir : linear-phase windowed FIR low-pass, band-pass,
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wiener : Wiener estimate (forward-backward Kalman filter
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wigner : time-frequency wigner spectrum of a signal.
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window : calculate symmetric window
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zpbutt : Butterworth analog filter
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zpch1 : poles of a type 1 Chebyshev analog filter
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zpch2 : poles and zeros of a type 2 Chebyshev analog filter
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zpell : poles and zeros of prototype lowpass elliptic filter
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corr : correlation coefficients
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cspect : spectral estimation using the modified periodogram
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czt : chirp z-transform algorithm
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intdec : change the sampling rate of a 1D or 2D signal
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mese : calculate the maximum entropy spectral estimate
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pspect : auto and cross-spectral estimate
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wigner : Wigner-Ville time/frequency spectral estimation
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dft : discrete Fourier transform
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fft : fast flourier transform
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hilb : Hilbert transform centred around the origin.
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hank : hankel matrix of the covariance sequence of a vector
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mfft : fft for a multi-dimensional signal
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: recursive solution of normal equations
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phc : State space realisation by the principal hankel component
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approximation method,
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rpem : identification by the recursive prediction error method
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: computes p = ceil (log_2(x))
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sinc : calculate the function sin(2*pi*fl*t)/(pi*t)
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: calculates the function Sin(N*x)/Sin(x)
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%k : Jacobi's complete elliptic integral
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%asn : .TP the elliptic integral :
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%sn : Jacobi 's elliptic function with parameter m
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bilt : bilinear transform or biquadratic transform.
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jmat : permutes block rows or block columns of a matrix