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ffilt(1) Scilab Function ffilt(1)
NAME
ffilt - coefficients of FIR low-pass
CALLING SEQUENCE
[x]=ffilt(ft,n,fl,fh)
PARAMETERS
ft : filter type where ft can take the values
"lp" : for low-pass filter
"hp" : for high-pass filter
"bp" : for band-pass filter
"sb" : for stop-band filter
n : integer (number of filter samples desired)
fl : real (low frequency cut-off)
fh : real (high frequency cut-off)
x : vector of filter coefficients
DESCRIPTION
Get n coefficients of a FIR low-pass, high-pass, band-pass, or stop-band
filter. For low and high-pass filters one cut-off frequency must be speci-
fied whose value is given in fl. For band-pass and stop-band filters two
cut-off frequencies must be specified for which the lower value is in fl
and the higher value is in fh
AUTHOR
C. B.
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