Accurate and Efficient Analysis of Large Antenna Arrays with Radome on a Large Aircraft

被引：2
|
作者：
Sun, Xu-Min [1 ]
Yang, Ming-Lin [1 ]
Sheng, Xin-Qing [1 ]
机构：
[1] Beijing Inst Technol, Sch Informat Sci & Technol, Ctr Electromagnet Simulat, Beijing 100081, Peoples R China
来源：
PROGRESS IN ELECTROMAGNETICS RESEARCH-PIER | 2015年 / 153卷
关键词：
FINITE-ELEMENT; SLOT ARRAY;
D O I：
10.2528/PIER15082003
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：
An accurate and efficient computational approach is presented for analyzing radiation characteristics of large antenna arrays with radome. This approach is based on the hybrid finite element-boundary integral-multilevel fast multipole algorithm (FE-BI-MLFMA). Unlike the conventional single-domain FE-BI-MLFMA, the whole domain of the antenna array with radome is separated into many disconnected domains. A large free space area unavoidable in the single-domain FE-BI-MLFMA is eliminated in this multi-domain FE-BI-MLFMA formulation, thus the number of unknowns is greatly reduced in the presented multi-domain FE-BI-MLFMA approach. Different from the single-domain FE-BI-MLFMA, many integral equations are required in this multi-domain FE-BI-MLFMA. The numerical experiment shows that the presented multi-domain FE-BI-MLFMA is more efficient than the single-domain one while maintaining the same accuracy. A whole complicated system of a slotted-waveguide array with radome mounted on an aircraft is analyzed to further demonstrate the generality and capability of the presented multi-domain FE-BI-MLFMA.
引用
收藏
页码：103 / 111
页数：9
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