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Scilab manual >> Signal Processing > iirgroup

iirgroup

group delay Lp IIR filter optimization

Calling Sequence

[lt,grad]=iirgroup(p,r,theta,omega,wt,td)
[cout,grad,ind]=iirlp(x,ind,p,[flag],lambda,omega,ad,wa,td,wt)

Arguments

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).

<< iir Signal Processing iirlp >>

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Last updated:
Wed Jan 26 16:23:41 CET 2011