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Identification of Similar Seismic Waves Using the Phase-Only Correlation Function and Wavelet Transform

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  • Hirokazu Moriya

    (Graduate School of Engineering, Tohoku University, 6-6-04 Aramaki aza aoba, Aoba-ku, Sendai 980-8579, Japan)

Abstract

Accurately determined acoustic emission (AE) locations provide significant information on fracture systems, such as the orientation of fractures in a geothermal reservoir. To determine the relative source locations among a group of seismic events, similar AE waveforms must be detected and the relative arrival times of the P and S waves must be determined. In this paper, a method to identify similar AE waveforms is proposed, in which wavelet transform scalograms are used to determine the phase-only correlation function. The proposed method was applied to arbitrarily selected seismic waveforms, and its feasibility was evaluated by comparing the results with those obtained when the phase-only correlation function was obtained by using Fourier transform results.

Suggested Citation

  • Hirokazu Moriya, 2021. "Identification of Similar Seismic Waves Using the Phase-Only Correlation Function and Wavelet Transform," Energies, MDPI, vol. 14(15), pages 1-11, July.
    • Handle: RePEc:gam:jeners:v:14:y:2021:i:15:p:4527-:d:602199
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    Cited by:

    1. Mohamed S. Abdalzaher & Moez Krichen & Derya Yiltas-Kaplan & Imed Ben Dhaou & Wilfried Yves Hamilton Adoni, 2023. "Early Detection of Earthquakes Using IoT and Cloud Infrastructure: A Survey," Sustainability, MDPI, vol. 15(15), pages 1-38, July.

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