HHT三种源代码：1 法国G.Rilling 2 台湾中央大学 3 matlab交换中心-HHT three sources: 1 France G. Rilling 2 Taiwan Central University 3 matlab switching center

HHT应用于语音识别的资料，含程序、说明及文献等-HHT used in speech recognition information, including procedures, instructions and literature, etc.

经验模态分解依据信号时间尺度将信号逐级分解成对称的分量，在进一步对模态函数进行希尔伯特变换(Empirical mode decomposition (EMD) decomposes the signal into symmetrical components step by step according to the signal time scale, and further performs the Hilbert transform for modal functions.)