期刊文献+

希尔伯特-黄变换方法边界问题的处理

下载PDF
导出
摘要 在研究基于经验模态分解(EMD)算法的基础上,本文提出了一种处理EMD边界问题的新方法——拟正弦边界延拓法,并通过仿真试验,与采用特征波法的分解结果进行比较。对比表明,拟正弦边界延拓法能有效地抑制EMD分解出的固有模态函数两个端点处的摆动,从而提高时频分辨率,应用拟正弦边界延拓法处理EMD的端点效应具有一定的优越性,值得推广应用。
出处 《科技创新导报》 2008年第30期31-32,共2页 Science and Technology Innovation Herald
  • 相关文献

参考文献1

二级参考文献17

  • 1大崎顺彦 吕敏申等(译).地震动的谱分析入门[M].北京:地震出版社,1980..
  • 2谢礼立 于双久等编著.强震观测于分析原理[M].地震出版社,1982..
  • 3Izng S R. Use of the Empirical Decomposition and Hilbert - Huang Transform in image analysis[R]. Labotmory for Hydrospheric Processes /Observational Science Branch NANA GSFC / Wallops Flight Facility, Wallops Island, VA 23337.
  • 4Salisbury J 1 and Wimbush M. Using modern time series analysis techniques to predict ENSO events from the SOl time series[J]. Nonlinear Processes in Geophysics, 2002, 9:341 -345.
  • 5Coughlin K T and Tung K K. 11 - year solar cycle in the stratosphere extracted by the empirical mode decomposition method. Submitted to Advances in Space Research, November 2002.
  • 6Hwang P A, Kaihatu J M and Wang D W. A comparison of the energy flux computation of shoaling waves using Hilbert and Wavelet spectral analysis techniques[A]. 7^th nt. Workshop on Wave Hindcasting and Forcasting[C], 10/21 -25/2002, Banff, Alberta.
  • 7Huang N E, et al. A New Spectral Representation of Earthquake Data: Hilbert Spectral Analysis of Station TCU129, Chi - Chi, Taiwan, 21 September 1999 ,BSSA,2001,91 (5) : 1310 - 1338.
  • 8Loh C - H, Wu T - C and Huang N E. Application of the Empirical Mode Decomposition - Hilbert spectrum method to identify near - fault ground motion characteristics and structural responses[J], BSSA, 2001,91 (5) : 1339 -1357.
  • 9Vincent H T, Hu S-L J, and Hou Z. Damage detection using empirical mode decomposition method and a comparison with wavdet analysis [A]. Structural Health Monitoring, Signal Processing and Diagnostic Method[C]. 891 -890. 2000.
  • 10Huang N E, et al. The empirical mode decomposition and Hilbert spectrum for nonlinear and non -stationary time series analysis[J]. Pro R Soc Izmdon,1998, 454:903 -906.

共引文献32

相关作者

内容加载中请稍等...

相关机构

内容加载中请稍等...

相关主题

内容加载中请稍等...

浏览历史

内容加载中请稍等...
;
使用帮助 返回顶部