Bistatic scattering from a three-dimensional object over a randomly rough surface using the FDTD algorithm

被引：68
作者：
Kuang, Lei [1 ]
Jin, Ya-Qiu [1 ]
机构：
[1] Fudan Univ, Minist Educ, Key Lab Wave Scattering & Remote Sensing Informat, Shanghai 200433, Peoples R China
来源：
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION | 2007年 / 55卷 / 08期
基金：
中国国家自然科学基金;
关键词：
bistatic scattering; finite-difference time-domain (FDTD); periodic boundary condition; 3-D object and rough surface;
D O I：
10.1109/TAP.2007.901846
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A numerical finite-difference time-domain approach for electromagnetic scattering from an object over a randomly rough surface in three-dimensional (3-D) model is developed. Rough surface is truncated in numerical simulation by using the periodic surface extension, and one period of the rough surface with dependence of the correlation length is used for scattering computation. Generation of the incident wave upon the rough surface is presented. A numerical model and algorithm of a single object on or above a rough surface are developed. Polarized bistatic scattering from the object and rough surface is obtained based on numerical distribution of the near zone fields. Comparison with conventional two-dimensional model is also discussed.
引用
收藏
页码：2302 / 2312
页数：11
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