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EMD Toolbox >> EMD Toolbox > Help function for EMD > zero_crossings

zero_crossings

finds zero-crossings

Calling Sequence

indzer = zero_crossings(x)

Parameters

inputs :

- x :

analyzed signal

outputs :

- indzer:

= indices of zero-crossings

Examples

x=sin(2*%pi*10*linspace(0,1,100));
[indzer] = zero_crossings(x);
scf(); plot2d2(x);
plot(indzer,x(indzer),'or');

See also

Authors


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