【摘要】 希尔伯特-黄变换(HHT)是分析和处理非线性、非平稳信号的一种新而有效的方法。文中深入研究了HHT方法的基本原理,经验模态分解(EMD)和Hilbert谱;并用仿真实例对该方法进行了更详细的说明;最后综述了该方法在地球物理学、电力工程和生物医学领域中的应用,进一步说明HHT方法在信号处理中的有效性和优越性。更多还原

【Abstract】 Hilbert-Huang Transform(HHT) is a new and effective method of analyzing and processing nonlinear and non-stationary signal.The paper deeply studies the basic principle of HHT method,empirical mode decomposition(EMD) and Hilbert spectrum,and illustrates the process of HHT with simulation instance in more detail.Finally,this paper summarizes the applications of the method in geophysics,power engineering and biomedical filed,which further shows the validity and superiority of HHT method in signal processing.更多还原