Time reversal seismic source imaging using peak average power ratio (PAPR) parameter

• Autorzy: Franczyk A. , Leśniak A. , Gwiżdż D.

Identyfikatory

DOI

10.1007/s11600-017-0022-0

• Języki publikacji: EN

Abstrakty

EN

The time reversal method has become a standard technique for the location of seismic sources. It has been used both for acoustic and elastic numerical modelling and for 2D and 3D propagation models. Although there are many studies concerning its application to point sources, little so far has been done to generalise the time reversal method to the study of sequences of seismic events. The need to describe such processes better motivates the analysis presented in this paper. The synthetic time reversal imaging experiments presented in this work were conducted for sources with the same origin time as well as for the sources with a slight delay in origin time. For efficient visualisation of the seismic wave propagation and interference, a new coefficient—peak average power ratio—was introduced. The paper also presents a comparison of visualisation based on the proposed coefficient against a commonly used visualisation based on a maximum value.

Słowa kluczowe

EN

time reversal; seismic wave; source location

PL

odwrócenie czasu; fala sejsmiczna; lokalizacja źródła

• Wydawca: Instytut Geofizyki PAN ; Springer
• Czasopismo: Acta Geophysica
• Rocznik: 2017
• Tom: Vol. 65, no. 2
• Strony: 299--308
• Opis fizyczny: Bibliogr. 35 poz.

Twórcy

autor

Franczyk A.

• AGH University of Science and Technology, Kraków, Poland

autor

Leśniak A.

• AGH University of Science and Technology, Kraków, Poland

autor

Gwiżdż D.

• AGH University of Science and Technology, Kraków, Poland

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