python下的希尔伯特-黄变换包,用于非线性和非平稳时间序列的分解变换。(hht for python which is for decomposition and transformation for nonlinear and non-stationary time series .)

python 3.x 实现希尔伯特黄变换，其中包含了经验模态分解函数，hilbert谱分析函数，和瞬时频率计算等函数。(python 3.x implements a Hilbert yellow transform that contains functions such as empirical modal decomposition functions, hilbert spectral analysis functions, and instantaneous frequency cal