INTEGRAL-EQUATION METHODS IN INVERSE OBSTACLE SCATTERING

被引：25
|
作者：
KRESS, R
机构：
[1] Institut für Numerische und Angewandte Mathematik, Universität Göttingen
来源：
ENGINEERING ANALYSIS WITH BOUNDARY ELEMENTS | 1995年 / 15卷 / 02期
关键词：
BOUNDARY ELEMENT METHOD; TIME-HARMONIC ACOUSTIC OBSTACLE SCATTERING; HELMHOLTZ EQUATION; INVERSE PROBLEM; FRECHET DERIVATIVE; NEWTON METHOD; OPTIMIZATION METHOD; NUMERICAL APPROXIMATION;
D O I：
10.1016/0955-7997(95)00015-G
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The inverse problem we consider is to determine the shape of an obstacle from a knowledge of the far field pattern for the scattering of incident time-harmonic acoustic (or electromagnetic) plane waves. It occurs in a variety of applications and is difficult to solve since it is nonlinear and improperly posed. In this survey we shall describe two integral equation methods for the approximate numerical solution of the inverse obstacle scattering problem in the resonance region.
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页码：171 / 179
页数：9
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