Calculation method for laser radar cross sections of rotationally symmetric targets

被引：11

作者：

Cao, Yunhua ^{[1
]}

Du, Yongzhi ^{[1
]}

Bai, Lu ^{[1
]}

Wu, Zhensen ^{[1
,2
]}

Li, Haiying ^{[1
]}

Li, Yanhui ^{[1
]}

机构：

[1] Xidian Univ, Sch Phys & Optoelect Engn, Xian 710071, Peoples R China

[2] Xidian Univ, Collaborat Innovat Ctr Informat Sensing & Underst, Xian 710071, Peoples R China

来源：

APPLIED OPTICS | 2017年 / 56卷 / 19期

基金：

中国国家自然科学基金;

关键词：

REFLECTANCE; SURFACE;

D O I：

10.1364/AO.56.005520

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The laser radar cross section (LRCS) is a key parameter in the study of target scattering characteristics. In this paper, a practical method for calculating LRCSs of rotationally symmetric targets is presented. Monostatic LRCSs for four kinds of rotationally symmetric targets (cone, rotating ellipsoid, super ellipsoid, and blunt cone) are calculated, and the results verify the feasibility of the method. Compared with the results for the triangular patch method, the correctness of the method is verified, and several advantages of the method are highlighted. For instance, the method does not require geometric modeling and patch discretization. The method uses a generatrix model and double integral, and its calculation is concise and accurate. This work provides a theory analysis for the rapid calculation of LRCS for common basic targets. (C) 2017 Optical Society of America.

引用

页码：5520 / 5525

页数：6

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