emd函数源代码，里面有详细的讲解，可自己解压查看，有疑问询问zzzhxb@126.com-code of function of emd

emd工具箱，用经验模态分解时一定要安装的工具箱，解压后添加进toolbox里，setpath后，记得更新工具箱，就可以使用了，我是用来分解信号进行信号处理的-emd toolbox with a time of empirical mode decomposition must install kit, unpacked add toolbox, the post setpath, remember to update the toolbox, you can use, and I was u

将一个复杂的信号分解成如干个简单的信号，极大的方便了对信号的分析与求解。(A complex signal is decomposed into simple signals, which makes it convenient to analyze and solve the signal.)