The determination of the surface impedance of a partially coated obstacle from far field data

被引：57

作者：

Cakoni, F ^{[1
]}

Colton, D ^{[1
]}

机构：

[1] Univ Delaware, Dept Math Sci, Newark, DE 19716 USA

来源：

SIAM JOURNAL ON APPLIED MATHEMATICS | 2003年 / 64卷 / 02期

关键词：

inverse scattering problem; impedance boundary condition; electromagnetic waves;

D O I：

10.1137/S0036139903424254

中图分类号：

O29 [应用数学];

学科分类号：

070104 ;

摘要：

A variational method is given for determining the essential supremum of the surface impedance of a partially coated perfect conductor from a knowledge of the far field pattern of the time-harmonic electric field at fixed frequency. It is assumed that the shape of the scatterer has been determined (e.g., by solving the far field equation and using the linear sampling method). Numerical examples are given for the scalar case with constant surface impedance.

引用

页码：709 / 723

页数：15

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