HIGHER ORDER METHOD OF MOMENTS FOR BISTATIC SCATTERING FROM 2D PEC ROUGH SURFACE WITH GEOMETRIC MODELING BY NURBS SURFACE

被引：6
作者：
Wang, A. -Q. [1 ]
Guo, L. -X. [1 ]
Wei, Y. -W. [1 ]
Ma, J. [2 ]
机构：
[1] Xidian Univ, Sch Sci, Xian, Shaanxi, Peoples R China
[2] Sci & Technol Space Simulat Lab, Beijing, Peoples R China
来源：
PROGRESS IN ELECTROMAGNETICS RESEARCH-PIER | 2012年 / 130卷
基金：
中国国家自然科学基金;
关键词：
ELECTROMAGNETIC SCATTERING; EM SCATTERING; TARGET; SIMULATIONS; OBJECT;
D O I：
10.2528/PIER12053012
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：
The higher order method of moments (HMOM) has been proposed to calculate the bistatic scattering from two-dimensional (2D) perfectly electric conducting (PEC) rough surface in this paper. The electric field integral equation (EFIE) is solved through the HMOM with the hierarchical higher order basis functions which are the modified Legendre polynomials. The non-uniform rational B-spline (NURBS) surface is applied to model the plane surface related to the rough surface. Validity of this approach is shown by comparing the bistatic scattering coefficient (BSC) to that of lower order MOM (LMOM) with the Rao-Wilton-Glisson (RWG) or rooftop basis function. This approach has fewer segments in the parametric directions than the LMOM with rooftop basis, and is more efficient for the fewer unknowns and requires less memory than the LMOM with RWG basis. Properties of bistatic scattering from a 2D Gaussian rough surface are also exhibited and analyzed.
引用
收藏
页码：85 / 104
页数：20
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