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弹箭与制导学报 >

2010 , Vol. 30 >Issue 3: 151 - 154

DOI: https://doi.org/10.15892/j.cnki.djzdxb.2010.03.059

相关技术

复杂目标近场双站 RCS 的建模方法

  • 陈俊吉 ,
  • 许家栋 ,
  • 庞春生 ,
  • 李建坤
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  • 1 西北工业大学电子信息学院,西安 710072
    2 94110部队,甘肃白银 730900
    3 95948部队,甘肃酒泉 732750

陈俊吉(1972-),男,重庆合川人,工程师,博士研究生,研究方向:目标建模与电磁散射计算。

收稿日期: 2009-01-07

  网络出版日期: 2025-05-28

基金资助

空军部队基金资助

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Modeling of Near-field Bistatic RCS of Complex Targets

  • CHEN Junji ,
  • XU Jiadong ,
  • PANG Chunsheng ,
  • LI Jiankun
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  • 1 School of Electronics and Information, Northwestern Polytechnical University, Xi'an 710072, China
    2 No. 94110 Unit, Gansu Baiyin 730900, China
    3 No. 95948 Unit, Gansu Jiuquan 732750, China

Received date: 2009-01-07

  Online published: 2025-05-28

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摘要

采用远场双站雷达散射截面计算方法进行复杂目标近场双站雷达散射截面的预估。在近场条件下,入射波是球面波照射,不满足远场条件。因此,通过把电大尺寸复杂目标剖分成若干电小尺寸的多边形面元,使每个面元满足远场条件,应用物理光学法和增量长度绕射系数法来求解单个面元的双站雷达散射截面,同时考虑天线方向性因子对近场的影响,可获得复杂目标总的近场双站雷达散射截面。利用该方法可以有效地完成复杂目标近场双站RCS估算。

关键词： 近场; 双站雷达散射截面; 双站散射; 面元

本文引用格式

陈俊吉 , 许家栋 , 庞春生 , 李建坤 . 复杂目标近场双站 RCS 的建模方法[J]. 弹箭与制导学报, 2010 , 30(3) : 151 -154 . DOI: 10.15892/j.cnki.djzdxb.2010.03.059

Abstract

A method of far field bistatic radar cross-section (RCS) calculation method was studied to estimate the near field bistatic RCS of complex targets in this paper. Under the near field conditions, the incident wave is a spherical wave, so the far field conditions can not be satisfied. Therefore, it is assumed that the complex targets have been decomposed into a number of smaller polygon facets, each of which can meet the farfield conditions. Then,each facet's bistatic RCS can be solved using physical optic (PO) and the incremental length diffraction coefficient (ILDC). Considering the influence of antenna pattern factor on the near field scattering, total near field RCS of complex targets can be obtained. This method has been proved to be efficient in estimating the complex target's near field bistatic RCS.

Key words： near field; bistatic radar cross section; bistatic scattering; polygon facet

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参考文献

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