File: iirgroup.man

package info (click to toggle)
scilab 2.4-1
  • links: PTS
  • area: non-free
  • in suites: potato, slink
  • size: 55,196 kB
  • ctags: 38,019
  • sloc: ansic: 231,970; fortran: 148,976; tcl: 7,099; makefile: 4,585; sh: 2,978; csh: 154; cpp: 101; asm: 39; sed: 5
file content (31 lines) | stat: -rw-r--r-- 759 bytes parent folder | download | duplicates (2) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
 
.TH iirgroup 1 "April 1993" "Scilab Group" "Scilab Function"
.so ../sci.an
.SH NAME
iirgroup - group delay Lp IIR filter optimization
.SH CALLING SEQUENCE
.nf
[lt,grad]=iirgroup(p,r,theta,omega,wt,td)
[cout,grad,ind]=iirlp(x,ind,p,[flag],lambda,omega,ad,wa,td,wt)
.fi
.SH PARAMETERS
.TP 10
r
: vector of the module of the poles and the zeros of the filters
.TP 10
theta
: vector of the argument of the poles and the zeros of the filters
.TP 10
omega
: frequencies where the filter specifications are given
.TP 10
wt
: weighting function for and the group delay
.TP 10
td
: desired group delay
.TP 10
lt, grad
: criterium and gradient values
.SH DESCRIPTION
optimization of IIR filters for the Lp criterium for the
the group delay. (Rabiner & Gold pp270-273).