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Num. Meth. Prog., 2016, Volume 17, Issue 4, Pages 487–499 (Mi vmp854)  

Near surface reconstruction using the full waveform inversion method: a resolution analysis

K. G. Gadylshin, D. A. Neklyudov, I. Yu. Silvestrov

A. A. Trofimuk Institute of Petroleum Geology and Geophysics, Siberian Branch of the Russian Academy of Sciences, Novosibirsk

Abstract: The effect of the Rayleigh wave on full waveform inversion (FWI) is studied. It is shown that the Born operator resolution is better when the Rayleigh waves are not taken into account. A numerical algorithm to analyze the influence of different parameters of the inverse dynamical seismic problem (such as source/receiver geometry, frequency range, elastic model parametrization, etc.) on the near-surface geological section reconstruction is proposed. As a demonstrative example, we show that the best elastic parameters for macrovelocity reconstruction via FWI for a subsurface observation system are P- and S-velocities and density.

Keywords: full waveform inversion method, SVD analysis, resolution capability, inverse dynamical problem, free surface, Rayleigh waves, elastic parameter coupling.

Full text: PDF file (935 kB)
UDC: 550.341
Received: 06.11.2016

Citation: K. G. Gadylshin, D. A. Neklyudov, I. Yu. Silvestrov, “Near surface reconstruction using the full waveform inversion method: a resolution analysis”, Num. Meth. Prog., 17:4 (2016), 487–499

Citation in format AMSBIB
\Bibitem{GadNekSil16}
\by K.~G.~Gadylshin, D.~A.~Neklyudov, I.~Yu.~Silvestrov
\paper Near surface reconstruction using the full waveform inversion method: a resolution analysis
\jour Num. Meth. Prog.
\yr 2016
\vol 17
\issue 4
\pages 487--499
\mathnet{http://mi.mathnet.ru/vmp854}


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