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- W3201996777 abstract "Summary In land seismic exploration, low-velocity zone causes the ray path of reflected wave propagating to the detector perpendicularly. Therefore, single-component data is regarded as P-wave data. In this paper, we first derive a new pseudo acoustic wave equation (PAE) in elastic world based on acoustic approximation. Compared with the acoustic modeling, pseudo acoustic modeling has obvious elastic AVO effect and S-P converted energy. Then we propose a pseudo acoustic wave full waveform inversion method for elastic parameters inversion using P-wave data only. The gradients of the misfit function with respect to updating the perturbations of elastic parameters based on PAE theory are derived. A field data example in eastern china is carried out by our new method using only the p-wave data. The results of pseudo acoustic full waveform inversion shows that S-wave velocity inverted is reliable and the passion ratio profile is well fitted to the natural potential logging curve." @default.
- W3201996777 created "2021-10-11" @default.
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- W3201996777 date "2021-01-01" @default.
- W3201996777 modified "2023-09-26" @default.
- W3201996777 title "Multi-Parameter Pseudo Acoustic Full Waveform Inversion Method in Elastic World" @default.
- W3201996777 doi "https://doi.org/10.3997/2214-4609.202010573" @default.
- W3201996777 hasPublicationYear "2021" @default.
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