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- W2743898876 abstract "A non-linear inversion method, which is based on local linear inversions, is presented. It involves a number of inversion problems that are obtained by applying the scattering formulation to local domains that cover the spatial computational domain. The novel concept introduced in this paper is the incorporation of nonlinearity, or multiple scattering, in the inversion scheme via forward modeling steps. After each forward modeling step, the updated wave field is used for the update of the inversion model. It is argued that the forward modeling, carried out in the linear approximation, amounts to incorporating one order of multiple scattering in the inversion model. Moreover, it will be shown that the non-linear iterations extend the low and high frequency parts of the medium parameter function. Furthermore, the WKBJ-approximation for the Green’s function will be used. In this setting, 1.5D acoustic inversion involving only contrast in wave velocity is considered in the present paper." @default.
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- W2743898876 date "2007-01-01" @default.
- W2743898876 modified "2023-09-23" @default.
- W2743898876 title "Non-linear Acoustic Inversion of Focussed Seismic Data" @default.
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