signal (version 0.5)

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):
• 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.).

Details

The filter is

References

Octave Forge http://octave.sf.net

See Also

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