ON THE INVERSE SOURCE METHOD FOR SOLVING INVERSE SCATTERING PROBLEMS

被引：43

作者：

CHEW, WC ^{[1
]}

WANG, YM ^{[1
]}

OTTO, G ^{[1
]}

LESSELIER, D ^{[1
]}

BOLOMEY, JC ^{[1
]}

机构：

[1] ECOLE SUPER ELECT,SIGNAUX & SYST LAB,F-91192 GIF SUR YVETTE 2,FRANCE

来源：

INVERSE PROBLEMS | 1994年 / 10卷 / 03期

关键词：

D O I：

10.1088/0266-5611/10/3/004

中图分类号：

O29 [应用数学];

学科分类号：

070104 ;

摘要：

The problem of solving the inverse scattering problem using the inverse source method is discussed. It is shown that the method, in general, gives rise to inaccurate solutions when the number of unknowns in the problem is increased. This is due to the presence of the non-radiating sources, and high-spatial-frequency currents that generate evanescent waves. Moreover, we show that the Green operator acts as a low-pass filtering operator, removing high-frequency information. The same problem is shown to be endemic from an operator viewpoint.

引用

页码：547 / 553

页数：7

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