File: hilb.man

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.TH hilb 1 "April 1993" "Scilab Group" "Scilab Function"
.so ../sci.an 
.SH NAME
hilb - Hilbert transform
.SH CALLING SEQUENCE
.nf
[xh]=hilb(n[,wtype][,par])
.fi
.SH PARAMETERS
.TP 10
n
: odd integer : number of points in filter
.TP
wtype
: string : window type \fV('re','tr','hn','hm','kr','ch')\fR (default \fV='re'\fR)
.TP
par
: window parameter for \fVwtype='kr' or 'ch'\fR
default \fVpar=[0 0]\fR
see the function window for more help
.TP
xh
: Hilbert transform
.SH DESCRIPTION
returns the first n points of the
Hilbert transform centred around the origin.
.LP
That is, \fVxh=(2/(n*pi))*(sin(n*pi/2))^2\fR.
.SH EXAMPLE
.nf
plot(hilb(51))
.fi
.SH AUTHOR
C. B.