Abstract
The paper considers the influence of the scattered component of the wavefield on the full waveform inversion results. Utilizing the one step of the quasi-Newton method, we demonstrate that scattered wavefields bring helpful information in the context of the solution of the inverse dynamical problem. Theoretically, usage of the scattered waves should increase the resolution of the method. For different scenarios, the contribution of scattered waves is investigated numerically. We investigate the influence of scattered components only by using singular value decomposition of the linearized inverse problem operator. The numerical experiments are performed for the well-known Marmousi2 model.
Supported by RSF grant 21-71-20002.
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Acknowledgements
The work is supported by RSF grant 21-71-20002. The numerical results of the work were obtained using computational resources of Peter the Great Saint-Petersburg Polytechnic University Supercomputing Center (scc.spbstu.ru).
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Gadylshin, K., Protasov, M. (2022). Full Waveform Inversion of the Scattered Component of the Wavefield: Resolution Analysis. In: Gervasi, O., Murgante, B., Hendrix, E.M.T., Taniar, D., Apduhan, B.O. (eds) Computational Science and Its Applications – ICCSA 2022. ICCSA 2022. Lecture Notes in Computer Science, vol 13375. Springer, Cham. https://doi.org/10.1007/978-3-031-10522-7_11
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