[chuck-users] AutoCorr and XCorr UAna problem: always returns 0

[fernando alonso]

Hi,

I trying to use this UAna's:


adc => AutoCorr autoCorr => blackhole;

adc => FFT fft =^ RMS rms => blackhole;

adc => LPF lowPassFilter => blackhole;

fft =^ RollOff rolloff => blackhole;

fft =^ Centroid centroid => blackhole;

fft =^ Flux flux => blackhole;

fft =^ ZeroX zerox => blackhole;

fft =^ XCorr  xCorr => blackhole;



but

    xCorr.upchuck() @=>  blobxCorr;

    blobxCorr.fval(0) => correlacionCruzadaInst;

    <<< correlacionCruzadaInst>>>;


    autoCorr.upchuck() @=>  blobAutocorrelacion;

    blobAutocorrelacion.fval(0) => autocorrelacionInst;

    <<< autocorrelacionInst>>>;



I always gets 0 values of autocrrelation and CrossCorrelation. anybody
know the reason???


Thanks.



-- 
Fernando Alonso Martín
Lualobus at gmail.com
http://roboticnaturalinteraction.com<http://www.roboticNaturalInteraction.com/famartin.html>
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