Parkinson Disease Database

mathutil
Class Spectrogram

java.lang.Object
  extended by mathutil.Spectrogram

public class Spectrogram
extends java.lang.Object

Třída implementuje výpočet spektrogramu.

Copyright: Copyright (c) 2005 Jan Dolezel

Company: ČVUT FEL, Prague


Constructor Summary
private Spectrogram()
           
 
Method Summary
static Matrix specgram(ComplexVector data, int frequency, int fftLength, int window, int overlap)
          Vypočítá spektrogram pro zadaná data
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

Spectrogram

private Spectrogram()
Method Detail

specgram

public static Matrix specgram(ComplexVector data,
                              int frequency,
                              int fftLength,
                              int window,
                              int overlap)
Vypočítá spektrogram pro zadaná data

Parameters:
data - ComplexVector vstupní data
frequency - int maximální frekvence spektrogramu
fftLength - int délka FFT
window - int velikost okna FFT
overlap - int o kolik se okno v jednom kroku posune
Returns:
Matrix

Parkinson Disease Database