Scilab 6.0.2
- Aide de Scilab
- Traitement du Signal
- Filtrage
- How to design an elliptic filter
- analpf
- buttmag
- casc
- cheb1mag
- cheb2mag
- ell1mag
- eqfir
- eqiir
- faurre
- ffilt
- filt_sinc
- filter
- find_freq
- frmag
- fsfirlin
- group
- hilbert
- iir
- iirgroup
- iirlp
- kalm
- lev
- levin
- lindquist
- remez
- remezb
- srfaur
- srkf
- sskf
- syredi
- system
- trans
- wfir
- wfir_gui
- wiener
- wigner
- window
- yulewalk
- zpbutt
- zpch1
- zpch2
- zpell
Please note that the recommended version of Scilab is 2026.0.0. This page might be outdated.
See the recommended documentation of this function
iirgroup
group delay Lp IIR filter optimization
Syntax
[lt,grad]=iirgroup(p,r,theta,omega,wt,td)
Arguments
- p
Lp criterion
- r
vector of the module of the poles and the zeros of the filters
- theta
vector of the argument of the poles and the zeros of the filters
- omega
frequencies where the filter specifications are given
- wt
weighting function for and the group delay
- td
desired group delay
- lt, grad
criterium and gradient values
Description
optimization of IIR filters for the Lp criterium for the the group delay. (Rabiner & Gold pp270-273).
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