用希尔伯特黄变换（HHT）求时频谱和边际谱.包括代码、原理、截图分析-Hilbert Huang transform (HHT) Find the spectrum and marginal spectrum, including the code, schematic, screenshot analysis

用希尔伯特黄变换（HHT）求时频谱和边际谱-Using Hilbert Huang transform (HHT) to find the spectrum and marginal spectrum

希尔伯特变 换 ，瞬时频率，边际谱 希尔伯特变换 ，瞬时频率，边际谱-希尔伯特变换 ，瞬时频率，边际谱希尔伯特变换 ，瞬时频率，边际谱希尔伯特变换 ，瞬时频率，边际谱