## Communicated by G. C. Hsiao The far-field operator for an exterior boundary value problem for the Helmholtz equation maps the boundary data onto the far-field pattern of the solution. This paper computes the L2-adjoint of this operator for various choices of boundary conditions. In scattering t
The far field operator for a multilayered scatterer
β Scribed by Guozheng Yan; Huijiang Zhao
- Publisher
- Elsevier Science
- Year
- 2002
- Tongue
- English
- Weight
- 485 KB
- Volume
- 43
- Category
- Article
- ISSN
- 0898-1221
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β¦ Synopsis
In this paper, we consider the inverse problem of the scattering of a plane acoustic wave by a multilayered scatterer; especially we study the properties of the corresponding far field operator. This problem models time-harmonic acoustic or electromagnetic scattering by a penetrable homogeneous medium with an impenetrable core. The discussion is essential for numerical approximation of the corresponding inverse problem, i.e., from the knowledge of the far field patterns to model the shape of the scatterer.
π SIMILAR VOLUMES
## Communicated by G. F. Roach Time-harmonic electromagnetic waves are scattered by a homogeneous chiral obstacle. The reciprocity principle, the basic scattering theorem and an optical theorem are proved. These results are used to prove that if the chirality measure of the obstacle is real, then
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## Abstract We study the existence and completeness of the wave operators __W~Ο~(A(b),βΞ__) for general Schrodinger operators of the form equation image is a magnetic potential.