%---------------?Preparation
clear?all;
close?all;
clc;
%?Time?Domain?0?to?T
L=1024;
fs?=?12000;
t?=?（1:1:L）/fs;

%?center?frequencies?of?components
f_1?=?2;
f_2?=?24;
f_3?=?288;
%?modes
v_1?=?（cos（2*pi*f_1*t））+1;
v_2?=?1/4*（cos（2*pi*f_2*t））;
v_3?=?1/16*（cos（2*pi*f_3*t））;
%?for?visualization?purposes
wsub{1}?=?2*pi*f_1;
wsub{2}?=?2*pi*f_2;
wsub{3}?=?2*pi*f_3;
%f?=?v_1?+?v_2?+?v_3?+?0.1*randn（size（v_1））;

%?composite?signal?including?noise

z=importdata（‘105.mat‘）;
f=z.X105_DE_time（1:L）;
f=f-mean（f）;
%均值
if?mean（f）<0.00001
????DC=0;
else
????DC=mean（f）;
end
%
freqs=（0:length（f）-1）.*（fs）/length（fft（f））;
%?some?sample?parameters?for?VMD
alpha?=?2000;????????%?moderate?bandwidth?constraint
tau?=?0.3;????????????%?noise-tolerance?（no?strict?fidelity?enforc

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件???????2570??2017-09-18?10:17??Run_VMD.m

?????文件???????4645??2017-08-28?11:33??VMD.m

-----------?---------??----------?-----??----

?????????????????7215????????????????????2