Scilab 5.5.2
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- Signal Processing
- filters
- analpf
- buttmag
- casc
- cheb1mag
- cheb2mag
- convol
- ell1mag
- eqfir
- eqiir
- faurre
- ffilt
- filter
- find_freq
- frmag
- fsfirlin
- group
- iir
- iirgroup
- iirlp
- kalm
- lev
- levin
- lindquist
- remez
- remezb
- srfaur
- srkf
- sskf
- syredi
- system
- trans
- wfir
- wiener
- wigner
- window
- yulewalk
- zpbutt
- zpch1
- zpch2
- zpell
Please note that the recommended version of Scilab is 2025.0.0. This page might be outdated.
See the recommended documentation of this function
iirlp
Lp IIR filter optimization
Calling Sequence
[cost,grad,ind]=iirlp(x,ind,p,[flag],lambda,omega,ad,wa,td,wt)
Arguments
- p
Lp criterion
- x
1X2 vector of the module and argument of the poles and the zeros of the filters
- flag
string :
'a'for amplitude, 'gd' for group delay; default case for amplitude and group delay.- omega
frequencies where the filter specifications are given
- wa,wt
weighting functions for the amplitude and the group delay
- lambda
weighting (with
1-lambda) of the costs ('a'and'gd'for getting the global cost.- ad, td
desired amplitude and group delay
- cost, grad
criterium and gradient values
Description
optimization of IIR filters for the Lp criterium for the amplitude and/or the group delay. (Rabiner & Gold pp270-273).
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