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A regularized sampling method for solving three-dimensional inverse scattering problems
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DOI：10.1137/S1064827598340159.png)
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Abstract
En 中文
The inverse scattering problem under consideration is to determine the shape of an obstacle in R-3 from a knowledge of the time harmonic incident acoustic wave and the far field pattern of the scattered wave with frequency in the resonance region. A method for solving this nonlinear and improperly posed problem is presented which is based on solving a linear integral equation of the first kind and avoids the use of nonlinear optimization methods. Numerical examples are given showing the practicality of this new approach.
Keywords:
inverse scattering
Helmholtz equation
adaptive
regularized sampling method
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