Rolling EEND算法程序代码 对EMD算法的改进 有效的解决了模态混叠现象-Rolling EEND algorithm program code for improved EMD algorithm effectively solves the modal aliasing

HHT的matlab代码，内容包含EMD以及时频谱和边际谱部分，为基础程序，适合新手参考使用-HHT matlab code, including EMD and time spectrum and marginal spectrum part, for the basis of procedures, suitable for novice reference to use