hilbert-huang变换计算的相关Matlab程序列表，通过经验模式分解将信号分解为一系列满足单频率分量条件的本征模函数，可求得信号有物理意义的瞬时频率-Related programs list Matlab hilbert-huang transform calculated by empirical mode decomposition signal is decomposed into a series of single-frequency components to meet the conditions of the intrinsic mode functions, the signal can be obtained physically meaningful instantaneous frequency