[交流] emd分解+intermittency check(间歇性检测准则)

3楼: Originally posted by FMStation at 2016-09-26 08:16:51
https://www.mathworks.com/matlabcentral/fileexchange/57421-noise-energy-reduction-ratio/content/nerr.m
Noise Energy Reduction Ratio

function [NERR,NERf,NERn] = nerr(Io,In,Imf,cutoff)
...
   fprintf(1,'PLEASE SET CUTOFF FREQ. e.g.cutoff=150');
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% DISCRETE FOURIER TRANSFORM COMPUTATION
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% FILTERING IN FREQUENCY DOMAIN