mainfrequency(x, y, TDx, Fs)

This function finds the main frequency of a signal
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Actualizado 26 Nov 2018

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Mainfrequency finds the main frequency (and its standard deviation) of a signal y, sampled in a interval x (of time) with Fs as sampling rate. If you don't know the sampling rate, set Fs equal to zero (if so, x must be in seconds). TDx is the flag of x, and it can be "Second" or "Data". Also it returns the plots "amplitude vs. time" & "magnitude vs. frequency". If there are two or more peaks with the same height, it chooses the lower one in frequency. Finally it returns the total power P of the signal.

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Davide Vatteroni (2024). mainfrequency(x, y, TDx, Fs) (https://www.mathworks.com/matlabcentral/fileexchange/64567-mainfrequency-x-y-tdx-fs), MATLAB Central File Exchange. Recuperado .

Compatibilidad con la versión de MATLAB
Se creó con R2015b
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Versión Publicado Notas de la versión
1.1

Better estimate of the standard deviation

1.0.0.0