1887

Abstract

Summary

We derived the Inverse thin-slab propagator in nonlinear tomographic waveform inversion in T-matrix formalism based on forward-scattering renormalization. The inverse thin-slab propagator eliminates the divergence of the inverse Born series for strong perturbations by stepwise partial summation (renormalization). It is a non-iterative, marching algorithm with only one sweep, and therefore very efficient in comparison with the iterative inversion based on the inverse-Born scattering series. This convergence and efficiency improvement has potential applications to the iterative procedure of waveform inversion. Numerical results on the convergence tests and inversion of smooth large-scale structures are given to demonstrate the validity of the theory.

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/content/papers/10.3997/2214-4609.201412584
2015-06-01
2024-04-25
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