Scilab 6.0.0
- Aide de Scilab
- Traitement du Signal
- Filtres
- analpf
- buttmag
- casc
- cheb1mag
- cheb2mag
- convol
- 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
Aide de Scilab >> Traitement du Signal > Filtres > iirgroup
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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