经验模式分解(EMD)将信号分解成多个IMF分量，每个IMF分量代表一定频率尺度的模式完整源代码-Empirical Mode Decomposition (EMD) to decompose the signal into a number of IMF components, each component of IMF on behalf of a certain frequency-scale model of the full

hht（希尔伯特黄变换）的matlab工具箱，其中包括时频分析工具箱-hht (Hilbert-Huang Transform) of the matlab toolbox, including the time-frequency analysis toolbox