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signal (version 0.7-2)

FilterOfOrder: Filter of given order and specifications.

Description

IIR filter specifications, including order, frequency cutoff, type, and possibly others.

Usage

FilterOfOrder(n, Wc, type, ...)

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.).

Value

  • A list of class FilterOfOrder with the following elements (repeats of the input arguments):
  • nfilter order
  • Wccutoff frequency
  • typefilter 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.).

Details

The filter is

References

Octave Forge http://octave.sf.net

See Also

filter, butter and buttord cheby1 and cheb1ord, and ellip and ellipord