ACCURATE AND EFFICIENT EVALUATION OF MODAL GREEN'S FUNCTIONS

被引：15
|
作者：
Gustafsson, M. [1 ]
机构：
[1] Lund Univ, SE-22100 Lund, Sweden
来源：
JOURNAL OF ELECTROMAGNETIC WAVES AND APPLICATIONS | 2010年 / 24卷 / 10期
基金：
瑞典研究理事会;
关键词：
ELECTROMAGNETIC SCATTERING; REVOLUTION; BODIES; BODY;
D O I：
10.1163/156939310791958752
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：
Accurate and efficient numerical evaluations of the modal Green's functions are essential in radar cross section, scattering, and antenna problems involving bodies of revolution. It is shown that a combination between the trapezoidal rule and Gauss-Hermite quadrature along the steepest-decent contours produce 10 digits of accuracy for a low computational cost in non-singular cases. The near singular cases are of similar accuracy for a slightly higher computational cost.
引用
收藏
页码：1291 / 1301
页数：11
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