8Huang N E, Shen Z. The Empirical Mode Decomposition and the Hilbert Spectrum for Nonlinear and Non - stationary Time Series Analysis [ M ]. Proceedings of the Royal Society of London, 1998 (454) : 903 - 995.
9Huang N E,Long S R,Shen Z. The Mechanisms for Frequency Downshift in Nonlinear Wave Evolution [ J ]. Adv. Appl. Mech. ,1999(32) :59 - 111.
10Semion Kizhner, Karin Blank. On Certain Theoretical Developments Underlying the Hilbert - Huang Transform[C]//Military and Aerospace Application of Programmable Device. Washington, D. C : international conference ,2005.