com.numericalmethod.suanshu.dsp.univariate.operation.system.doubles

Interface Filter

All Known Implementing Classes:

MovingAverage, MovingAverageByExtension

public interface Filter

A filter, for signal processing, takes (real) input signal and transforms it to (real) output signal. Often, a filter system performs mathematical operations on a sampled, discrete-time signal to reduce or enhance certain aspects of that signal.

See Also:

• Wikipedia: Filter design
• Wikipedia: Digital filter

Method Summary

Modifier and Type	Method and Description
double[]	transform(double[] xt) Transforms the input signal into the output signal.

Method Detail

transform

double[] transform(double[] xt)

Transforms the input signal into the output signal.

Parameters:

xt - the input signal

Returns:

the filtered signal