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Research on electromagnetically acoustic emission signals using sample entropy

  • Suzhen Liu*
  • , Jiao Li
  • , Chuang Zhang
  • , Xueqin Shen
  • , Liang Jin
  • , Qingxin Yang
  • *Corresponding author for this work
  • Hebei University of Technology
  • Tiangong University

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

As a new approach of measuring the irregularity of the time series, Sample entropy (SampEn), which is defined as a quantity measuring the rate of information generation, has good anti-jamming capability. In this work, successful researches are performed to analyze the electromagnetically induced acoustic emission (EMAE) signal produced by loading pulse current in the aluminium plates, using SampEn. Besides, it studies the complexity of EMAE signal changing over time, identifies and extracts features of EMAE signal. The SampEn's performance on characterizing the signals, demonstrates that SampEn is a promising method in recognition and distinguishment of EMAE signal.

Original languageEnglish
Title of host publication2012 6th International Conference on Electromagnetic Field Problems and Applications, ICEF'2012
DOIs
StatePublished - 2012
Externally publishedYes
Event2012 6th International Conference on Electromagnetic Field Problems and Applications, ICEF'2012 - Dalian, China
Duration: 19 Jun 201221 Jun 2012

Publication series

Name2012 6th International Conference on Electromagnetic Field Problems and Applications, ICEF'2012

Conference

Conference2012 6th International Conference on Electromagnetic Field Problems and Applications, ICEF'2012
Country/TerritoryChina
CityDalian
Period19/06/1221/06/12

Keywords

  • electromagnetically induced acoustic emission
  • sample entropy
  • signal processing

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