A Study of Scattering From Rough Surface With Different Scale of Roughness Based on the Efficient Numerical Strategies

被引：0

作者：

Liang, Yu ^{[1
]}

Guo, Lixin ^{[2
]}

机构：

[1] Yangzhou Univ, Sch Informat Engn, Yangzhou 225127, Jiangsu, Peoples R China

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

来源：

IEEE ACCESS | 2020年 / 8卷

基金：

中国国家自然科学基金;

关键词：

Surface roughness; Rough surfaces; Sea surface; Surface waves; Method of moments; Land surface; Optical surface waves; Electromagnetic scattering; HISPM; ITPA; MoM; rough surface; ELECTROMAGNETIC SCATTERING; PARTICLES; WAVES; SPM;

D O I：

10.1109/ACCESS.2020.3041160

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

In harsh environment, such as the desert, wind-driven ocean, forest, etc., the surface directly affected by communication signal (electromagnetic wave) is rough and of different roughness. In this article, using multiple numerical strategies, the electromagnetic scattering from rough surface with different scale of roughness is studied. Firstly, the scattering from rough surface by using the scheme of integral tangent plane approximation (ITPA) under tapered transverse electric (TE) wave incidence and shadowing modification is studied. The ITPA is formulized and verified in feasibility, memory usage and execution efficiency. Then, the scattering from rough surface with non-single roughness is further investigated by combing the ITPA, the high order integral small perturbation method (HISPM) and the method of moments (MoM). The contribution to the coherent and incoherent scattering parts from the components of different roughness is distinguished. Meanwhile, the scattering phenomena under multi-parameters are numerically analyzed.

引用

页码：217877 / 217882

页数：6

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