中文说明：hht台湾中央大学黄颚团队源代码，matlab语言编写，代码简单，效果很好，并带有加噪信号的处理部分，对于新手学习希尔伯特黄变换是很好的资料
English Description：
Hht Taiwan Central University yellow-jaw source code, MATLAB language, code simple, works well, and with the added noise signal processing part, Hilbert-Huang transform is good for novice learning information