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On the Development of an Alternative Proposition of Cross Wavelet Analysis for Transient Discrimination Problems

In: Integral Methods in Science and Engineering

Author

Listed:
  • Adalberto Schuck Jr.

    (UFRGS, Electrical Engineering Department (DELET))

  • Bardo E. J. Bodmann

    ((UFRGS), Mechanical Engineering Department (DEMEC))

Abstract

This work presents the classical definitions of Cross Wavelet Analysis and proposes new definitions for Wavelet Power Spectrum, Wavelet Cross Spectrum and Wavelet Coherence in a similar way as the Wiener-Khintchine relations to solve shortcomings of the traditional definitions for detecting non-synchronized transients in a Gaussian noise. A detection problem is proposed with simulated signals and both definitions are used for signal analysis. A comparison between the results is then presented, pointing out the aspects of each technique and finally shows that the new definition identifies the transients.

Suggested Citation

  • Adalberto Schuck Jr. & Bardo E. J. Bodmann, 2019. "On the Development of an Alternative Proposition of Cross Wavelet Analysis for Transient Discrimination Problems," Springer Books, in: Christian Constanda & Paul Harris (ed.), Integral Methods in Science and Engineering, chapter 0, pages 409-423, Springer.
    • Handle: RePEc:spr:sprchp:978-3-030-16077-7_32
    DOI: 10.1007/978-3-030-16077-7_32
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