摘要
为了更有效地分析旋转对称电大物体的电磁散射问题,提出了一种针对旋转对称矩量法的多层自适应交叉近似加速方法,并分别应用于基于三角形基函数和3阶Hermite基函数的旋转对称矩量法.使用所提方法加速混合场积分方程下旋转对称体矩量法的单模式与多模式阻抗矩阵的构建过程时,计算得到的远场雷达散射截面积与传统旋转对称矩量法的结果吻合良好,且计算效率明显提高.
In order to analyze the scattering problem of electrically large bodies of revolution more efficiently,an acceleration method for the method of moments for bodies of revolution（BOR-MOM）using multi-level adaptive cross approximation（MLACA）is present in this paper and applied on the BOR-MOM based on the triangle and 3-order Hermits basis functions respectively.The MLACA is used to accelerate the filling process of the mono-and multi-mode impendence matrices of the BOR-MOM of combined field integral equation.The computed far-field RCS matches the numerical result of the traditional BOR-MOM well and the computing efficiency is improved considerably.
出处
《电波科学学报》
EI
CSCD
北大核心
2014年第1期55-60,71,共7页
Chinese Journal of Radio Science
基金
总装预研资助项目
总装预研基金资助项目
