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引用本文：

魏丹丹,徐晓文.有限频宽条件下三维理想导体逆散射成像的计算研究[J].电讯技术，2003，43（1）：59 - 62. [点击复制]
.Computation of 3D Inverse Scattering and Imaging for Conducting Obiects with Arbitrary Shapes by Using the Limited Frequenly Aperture[J].，2003，43（1）：59 - 62. [点击复制]

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有限频宽条件下三维理想导体逆散射成像的计算研究

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摘要:

本文在保加斯基 -刘易斯 (Bojarski-Lewis)方法的基础上对有限频宽条件下三维理想导体逆散射成像的计算进行了研究 ,详细分析了频率孔径的选择、中间函数F的精确计算以及包络提取等问题 ,然后对典型理想导体进行了模拟计算 ,采用物理光学法计算散射场 ,并根据此数据进行了逆散射成像 ,结果吻合很好。

关键词: 理想导体,电磁逆散射,成像,有限频宽

DOI：10.3969/j.issn.1001-893X.

修订日期：2002-07-26

基金项目:

Computation of 3D Inverse Scattering and Imaging for Conducting Obiects with Arbitrary Shapes by Using the Limited Frequenly Aperture

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Abstract:

In this paper, based on the Bojarski-Lewis relation, the 3D inverse scattering and imaging for the conducting objects with arbitrary shapes by using the limited frequency aperture is studied. The corresponding rules and algorithms such as the selection of the frequency domain aperture, the high precision computation of F-function and the envelope pick-up are discussed in detail. Finally, by using the scattering data for some typical conducting objects obtained by the physical optic (PO) method, the 3D inverse scattering images for these objects are achieved, which are all well matched with the original objects.

Key words: Conducting objects, Electromagnetic inverse scattering,Imaging,Limited frequency aperture,