Efficient Compression of Far Field Matrices in Multipole Algorithms based on Spherical Harmonics and Radiating Modes

被引：0
|
作者：
Schroder, Arne [1 ]
Bruns, Heinz-D. [1 ]
Schuster, Christian [1 ]
机构：
[1] Tech Univ Hamburg, Inst Theoret Elektrotechn, Hamburg, Germany
来源：
ADVANCED ELECTROMAGNETICS | 2012年 / 1卷 / 02期
关键词：
Compression techniques; Fast multipole algorithms; Scattering EMC;
D O I：
10.7716/aem.v1i2.24
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：
This paper proposes a compression of far field matrices in the fast multipole method and its multilevel extension for electromagnetic problems. The compression is based on a spherical harmonic representation of radiation patterns in conjunction with a radiating mode expression of the surface current. The method is applied to study near field effects and the far field of an antenna placed on a ship surface. Furthermore, the electromagnetic scattering of an electrically large plate is investigated. It is demonstrated, that the proposed technique leads to a significant memory saving, making multipole algorithms even more efficient without compromising the accuracy.
引用
收藏
页码：5 / 11
页数：7
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