Improving the Spherical Harmonics Expansion-Based Multilevel Fast Multipole Algorithm (SE-MLFMA)

被引：8
|
作者：
He, Mang [1 ]
Liu, Jinbo [1 ]
Zhang, Kang [1 ]
机构：
[1] Beijing Inst Technol, Sch Informat & Elect, Beijing 100081, Peoples R China
来源：
IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS | 2013年 / 12卷
基金：
中国国家自然科学基金;
关键词：
Integral equations; multilevel fast multipole algorithm (MLFMA); spherical harmonics expansion; ELECTROMAGNETIC SCATTERING; UNKNOWNS;
D O I：
10.1109/LAWP.2013.2259461
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 spherical harmonics expansion-based multilevel fast multipole algorithm (SE-MLFMA) is improved by using the mixed-potential representation of the combined field integral equation (CFIE) that is different from the most commonly used dyadic formulation in the existing MLFMA literature. The memory storage requirement and computation time for the spherical harmonics expansion of the radiation patterns of the basis functions are reduced effectively. Numerical results show that for the solution of CFIE, the memory cost by the radiation patterns is less than half of that in the conventional SE-MLFMA proposed by Eibert without any loss of accuracy.
引用
收藏
页码：551 / 554
页数：4
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