de.gsi.math.filter.iir

Class Cascade

java.lang.Object

de.gsi.math.filter.iir.Cascade

Direct Known Subclasses:

Bessel, Butterworth, ChebyshevI, ChebyshevII

public class Cascade
extends Object

The mother of all filters. It contains the coefficients of all filter stages as a sequence of 2nd order filters and the states of the 2nd order filters which also imply if it's direct form I or II

Constructor Summary

Constructors

Constructor and Description
Cascade()

Method Summary

Modifier and Type	Method and Description
void	applyScale(double scale)
double	filter(double in)
Biquad	getBiquad(int index)
int	getNumBiquads()
void	reset()
org.apache.commons.math3.complex.Complex	response(double normalizedFrequency)
void	setLayout(LayoutBase proto, int filterTypes)

Methods inherited from class java.lang.Object

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

Constructor Detail

Cascade

public Cascade()

Method Detail

applyScale

public void applyScale(double scale)

filter

public double filter(double in)

getBiquad

public Biquad getBiquad(int index)

getNumBiquads

public int getNumBiquads()

reset

public void reset()

response

public org.apache.commons.math3.complex.Complex response(double normalizedFrequency)

setLayout

public void setLayout(LayoutBase proto,
                      int filterTypes)