emd分解了,怎么得到分量频谱图?
源程序:clc;
clear;
fs=2560;
t=(0:1/fs:0.2);
n=512;
a=pi;
x=(1+0.2*sin(2*a*7.5*t)).*cos(2*a*30*t+0.5*sin(2*a*15*t))+sin(2*a*120*t);
plot(t,x);
xlabel('t/s');ylabel('x');
imf=emd(x);
cemd_visu(x,1:length(x),imf);
想的到如下分量1和分量2的图:该怎么写?
无意义帖,建议删除! {:{10}:} 天涯青驹 发表于 2013-4-7 13:40 static/image/common/back.gif
{:{05}:} {:{39}:}
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