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The bispectral analysis in geomagnetic micro pulsation signal

  • H. Zhang*
  • , Z. Y. Zhao
  • , S. G. Xie
  • , B. B. Ni
  • *Corresponding author for this work
  • Wuhan University

Research output: Contribution to journalArticlepeer-review

Abstract

Based on the fact that the geomagnetic micro pulsation signal behave as a non-Gaussian random process in most cases, a signal processing method using higher order statistics is proposed to analyze the geomagnetic micro pulsation signal. Deriving the bispectrum estimated via indirect method, then reconstructing the power spectrum and the signal itself based on it. Results by using an example show that comparing with the other traditional analytical ways, the bispectral analysis method is superior.

Original languageEnglish
Pages (from-to)351-354
Number of pages4
JournalWuhan Daxue Xuebao/Journal of Wuhan University
Volume47
Issue number3
StatePublished - Jun 2001
Externally publishedYes

Keywords

  • Bispectral estimate
  • Geomagnetic pulsation
  • Higher order statistics
  • Reconstruct

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