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- W4249728334 abstract "In this chapter we focus our investigation on amplitude inversion for constraining the interface geometry of, typically, a multi-layered structure. We find that the two main difficulties in the amplitude inversion are the high wavenumber oscillation in the shallower interface and the failure to reconstruct long wavelength components of deep, curved interfaces. A damped subspace method may overcome the first difficulty, and a multi-scale scheme may be used to combat the second problem. To enhance the resolution of the low wavenumber components and, simultaneously, to reduce the instability of high wavenumber components in the amplitude inversion, we then develop a so-called multi-stage damped, sub-space method, a combination of these two schemes. We see from the inversion experiments that the multi-stage damping scheme is an appropriate inversion scheme for obtaining a geologically realistic model." @default.
- W4249728334 created "2022-05-12" @default.
- W4249728334 date "2003-01-01" @default.
- W4249728334 modified "2023-09-27" @default.
- W4249728334 title "Chapter 7 Amplitude inversion of a multi-layered structure" @default.
- W4249728334 doi "https://doi.org/10.1016/s0950-1401(03)80009-5" @default.
- W4249728334 hasPublicationYear "2003" @default.
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