HHT(hilbert Huang-transfrom)可以实现同时对信号的时频分析，得到信号的Hilbert时频谱和能量谱，-HHT (hilbert Huang-transfrom) can achieve the same time, the time-frequency analysis, when the signal spectrum and Hilbert energy spectrum

通过在实车上模拟坦克变速箱工作档位齿轮故障,利用Hilbert变换幅值解调法提取箱 体振动信号的包络,并对包络信号进行抽取和低频段频谱细化,提出了一种基于包络细化谱分析的 坦克变速箱工作档位齿轮故障诊断方法。 - A fault diagnosis method of working position gear in tank gear-box was put forward based on simulating the fault of working position ge

提出一种基于旋转机械同源数据融合的全矢Hilbert解调分析方法。将全矢谱技术融于希尔伯特解调之中, 从理论分析该方法的可行性,并将其应用于高速旋转的齿轮故障诊断中,进一步证实矢Hilbert方法的有效性。 -Vector spectrumHilbert demodulation analysis method based on the same source data fusion of rotarymachinerywas put forward. The algorithms

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