EMD端点效应新文献资料；带端点延拓的EMD和原始EMD的matlab程序；画包络谱和幅值谱的matlab程序；供研究者参考-End effect of EMD literature endpoint extension of EMD and original EMD matlab program painting envelope spectrum and amplitude spectrum matlab program for researchers reference

基于傅里叶变换，实现了包络谱和幅值谱分析。(Based on Fourier transform, envelope spectrum and amplitude spectrum analysis are realized.)