| FilterOfOrder {signal} | R Documentation |
IIR filter specifications, including order, frequency cutoff, type, and possibly others.
FilterOfOrder(n, Wc, type, ...)
n |
filter order |
Wc |
cutoff frequency |
type |
filter type, normally one of "low", "high", "stop", or "pass" |
... |
other filter description characteristics, possibly
including Rp for dB of pass band ripple or Rs for dB
of stop band ripple, depending on filter type (Chebyshev, etc.). |
The filter is
A list of class FilterOfOrder with the following elements
(repeats of the input arguments):
n |
filter order |
Wc |
cutoff frequency |
type |
filter type, normally one of "low", "high", "stop", or "pass" |
... |
other filter description characteristics, possibly
including Rp for dB of pass band ripple or Rs for dB
of stop band ripple, depending on filter type (Chebyshev, etc.). |
Tom Short
Octave Forge http://octave.sf.net
filter, butter and buttord
cheby1 and cheb1ord, and
ellip and ellipord