Time-domain versus frequency-domain approach for an accurate simulation of phased Arrays

被引：0
|
作者：
Han Cui [2 ]
Min Zhang [1 ]
机构：
[1] Tongji Univ, Sch Elect & Informat Engn, Shanghai, Peoples R China
[2] Tongji Univ, Modern Integrated Electromagnet Simulat R&D Ctr, Shanghai 201804, Peoples R China
来源：
2008 INTERNATIONAL CONFERENCE ON MICROWAVE AND MILLIMETER WAVE TECHNOLOGY PROCEEDINGS, VOLS 1-4 | 2008年
关键词：
time-domain; frequency-domain; simulation; aipproach; phased arrays; mutual coupling;
D O I：
暂无
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：
In this paper, a general comparison is presented between time-domain and frequency-domain simulation schemes of phased arrays. A series of vivaldi arrays are simulated with Finite Integral Time-Domain (FITD) and frequency-domain finite element method (FEM) in terms of its far field characteristic like radiation pattern and gain. Three finite arrays of 10 by 10, 20 by 20, and 30 by 30 are simulated using FITD. The results are compared with that of the same arrays by linear combination of a unit Vivaldi antenna simulated with FEM. It is concluded that for small arrays time domain is more accurate while for large ones frequency domain method is more superior in terms of computer time and memory.
引用
收藏
页码：454 / +
页数：2
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