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A New Method for End Effect of EMD(PDF)

《哈尔滨理工大学学报》[ISSN:1007-2683/CN:23-1404/N]

Issue:
2009年05期
Page:
23-26
Research Field:
测控技术与通信工程
Publishing date:

Info

Title:
A New Method for End Effect of EMD
Author(s):
WANG Ting1; YANG Shen-yuan 1; LI Bing-bing 2
1.School of Information and Communication Engineering; Harbin Engineering University; Harbin 150001; China; 2.School of Administrative Office; Chengde Petroleum College; Chengde 067000; China
Keywords:
EMD end effect end extending waveform similarity
PACS:
TN911.6
DOI:
-
Abstract:
A new method of data extending based on minimum similarity distance is proposed in order to solve the problem of end effect in empirical mode decomposition(EMD).Firstly,the conception of waveform similarity coefficient and matching distance are given,and then based on the related matching rules,the extending waveform are chosen from the inner signal,which has the most minimum similarity distance compared with the ends.The method considers both the inner characteristics of signal and variation tendency of en...

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Last Update: 2009-12-16