Package Filters

Class ButterworthMethod

java.lang.Object

Filters.FilterMethod

Filters.IIRFilterMethod

Filters.ButterworthMethod

public class ButterworthMethod
extends IIRFilterMethod

Author:

Doug Gillespie

Pole Zero calculations for Butterworth filters

Taken from p 179 of Lynn invalid input: '&' Fuerst, 1989. Introductory Digital signal Processing

See Also:

• IirfFilter

Field Summary

Fields inherited from class Filters.IIRFilterMethod

omega1, omega2, omega3, poles, zeros, zeroValue

Fields inherited from class Filters.FilterMethod

filterParams

Constructor Summary

Constructors

Constructor	Description
ButterworthMethod(double sampleRate, FilterParams filterParams)

Method Summary

Modifier and Type	Method	Description
String	filterName()

Methods inherited from class Filters.IIRFilterMethod

calculateOmegaValues, createFilter, getFastFilterCoefficients, getFilterGain, getFilterGainConstant, getFilterPhase, getPoles, getPoleZeros, getZeros, poleZeroCount

Methods inherited from class Filters.FilterMethod

createFilterMethod, getFilterParams, getSampleRate, setFilterParams, setSampleRate

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

ButterworthMethod

public ButterworthMethod(double sampleRate,
 FilterParams filterParams)

Method Details

filterName

public String filterName()