dsp.ZeroCrossingDetector: a confusing error
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parham kianian
el 9 de Abr. de 2020
Respondida: Mehmed Saad
el 9 de Abr. de 2020
I am trying to employ dsp.ZeroCrossingDetector to count number of zero crossings of a signal. Consider the following:
x = 0 : pi/180 : 4*pi;
y = sin(x);
zcd = dsp.ZeroCrossingDetector;
n = zcd(y);
release(zcd);
It is expected that size of n be 1*1, that is a sclar, but MATLAB returns n as vector of zeros with the same size as x.
How can I solve this problem?
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Mehmed Saad
el 9 de Abr. de 2020
dsp.ZeroCrossingDetector needs column vector as an input while you are feeding it a row vector
take transpose of x
x = (0 : pi/180 : 4*pi).'; %Transpose it(.')
y = sin(x);
zcd = dsp.ZeroCrossingDetector;
n = zcd(y);
release(zcd);
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