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The study of novel chaotic oscillator detecting weak signal amplitude

  • Yanchun Xu*
  • , Xiaodong Qu
  • , Chunling Yang
  • *Corresponding author for this work
  • Heilongjiang University
  • School of Electrical Engineering and Automation, Harbin Institute of Technology

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

Abstract

Nowadays the traditional detecting method of weak signal amplitude is to use Duffing system. However it is limited in actual engineering application. Its structure is very simple but its dynamic characteristics are very complex. There are a lot of chaos oscillators being used to detect unknown signal so that the detection method is too complex. In this paper the dynamic characteristics of Lorenz system are studied. And the Lorenz chaotic oscillators are applied in amplitude detection of weak signal which is submerged in strong noise. Through phase diagram analysis and chaotic orbits change the unknown amplitude of weak signal is obtained. The research purpose is to find a new detection method of weak signal amplitude. The simulation results verified that the presented method is feasible and effective. It is lower to detect the signal to noise ratio than those of Duffing system.

Original languageEnglish
Title of host publicationProceedings of the 2012 7th IEEE Conference on Industrial Electronics and Applications, ICIEA 2012
Pages303-307
Number of pages5
DOIs
StatePublished - 2012
Externally publishedYes
Event2012 7th IEEE Conference on Industrial Electronics and Applications, ICIEA 2012 - Singapore, Singapore
Duration: 18 Jul 201220 Jul 2012

Publication series

NameProceedings of the 2012 7th IEEE Conference on Industrial Electronics and Applications, ICIEA 2012

Conference

Conference2012 7th IEEE Conference on Industrial Electronics and Applications, ICIEA 2012
Country/TerritorySingapore
CitySingapore
Period18/07/1220/07/12

Keywords

  • Duffing system
  • Lorenz system
  • amplitude detection
  • weak signal

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