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大型带罩天线阵列的精确高效电磁仿真算法

殷磊 侯鹏 丁宁 林中朝 赵勋旺 张玉 焦永昌

殷磊, 侯鹏, 丁宁, 林中朝, 赵勋旺, 张玉, 焦永昌. 大型带罩天线阵列的精确高效电磁仿真算法[J]. 电子与信息学报, 2024, 46(6): 2549-2557. doi: 10.11999/JEIT230721
引用本文: 殷磊, 侯鹏, 丁宁, 林中朝, 赵勋旺, 张玉, 焦永昌. 大型带罩天线阵列的精确高效电磁仿真算法[J]. 电子与信息学报, 2024, 46(6): 2549-2557. doi: 10.11999/JEIT230721
YIN Lei, HOU Peng, DING Ning, LIN Zhongchao, ZHAO Xunwang, ZHANG Yu, JIAO Yongchang. Electromagnetic Algorithm for Efficiently Analyzing Large Scale Antenna Arrays with Radomes[J]. Journal of Electronics & Information Technology, 2024, 46(6): 2549-2557. doi: 10.11999/JEIT230721
Citation: YIN Lei, HOU Peng, DING Ning, LIN Zhongchao, ZHAO Xunwang, ZHANG Yu, JIAO Yongchang. Electromagnetic Algorithm for Efficiently Analyzing Large Scale Antenna Arrays with Radomes[J]. Journal of Electronics & Information Technology, 2024, 46(6): 2549-2557. doi: 10.11999/JEIT230721

大型带罩天线阵列的精确高效电磁仿真算法

doi: 10.11999/JEIT230721
基金项目: 陕西省重点研发计划项目(2022ZDLGY02-02, 2023-ZDLGY-09, 2021GXLH-02); 中央高校基本科研业务费专项资金(QTZX23018)
详细信息
    作者简介:

    殷磊:男,博士生,研究方向为计算电磁学、大规模并行多层快速多极子算法

    侯鹏:男,博士生,研究方向为计算电磁学、大规模并行多层快速多极子算法

    丁宁:男,博士生,研究方向为计算电磁学、大规模并行矩量法

    林中朝:男,副教授,研究方向为计算电磁学

    赵勋旺:男,教授,研究方向为计算电磁学

    张玉:男,教授,研究方向为计算电磁学、大规模并行算法

    焦永昌:男,教授,研究方向为天线优化设计

    通讯作者:

    林中朝 zclin@xidian.edu.cn

  • 中图分类号: TN820

Electromagnetic Algorithm for Efficiently Analyzing Large Scale Antenna Arrays with Radomes

Funds: Key Research and Development Program of Shaanxi (2022ZDLGY02-02, 2023-ZDLGY-09, 2021GXLH-02); The Fundamental Research Funds for the Central Universities (QTZX23018)
  • 摘要: 针对大型带罩天线阵列系统的辐射特性仿真问题,基于等效原理和波导模式匹配法,建立了多层快速多极子算法的波端口模型,实现了对天线激励源和匹配负载的精确电磁建模,同时提出了一种适用于计算金属介质天线模型的多层快速多极子算法并行策略,通过建立多棵八叉树结构降低了计算过程中各进程间的通信量,实现了对大型带罩天线阵列系统的精确、高效一体化仿真计算。通过与高阶矩量法及有限元-边界积分方程法计算得到的天线方向图、S参数进行对比,验证了该方法的精确性及高效性。
  • 图  1  波端口模型及等效模型示意图

    图  2  金属及金属介质模型的检验过程示意图

    图  3  MLFMA八叉树结构示意图及通信域划分示意图

    图  4  MOP算法多八叉树结构示意图及通信域划分示意图

    图  5  波导缝隙天线与天线罩模型

    图  6  波导缝隙天线S11对比

    图  7  波导缝隙天线加天线罩xoz面方向图对比

    图  8  带罩微带天线阵列模型

    图  9  微带天线阵列加天线罩前后2维方向图对比

    图  10  微带天线阵列加天线罩前后3维方向图对比

    图  11  微带天线阵列加天线罩前后近场分布对比

    表  1  波导缝隙天线加天线罩计算资源消耗对比表

    使用算法 未知量 核数 收敛残差/迭代步数 峰值内存(GB) 计算时间(s)
    MLFMA 2 209 604 48 0.001 / 53 312.79 1228.15
    HOMoM 507 197 576 – / – 3833.31 20768.08
    FE-BI 18 742 186 192 0.001 / 613 3363.30 11548.15
    下载: 导出CSV
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  • 被引次数: 0
出版历程
  • 收稿日期:  2023-07-18
  • 修回日期:  2023-10-11
  • 网络出版日期:  2023-10-17
  • 刊出日期:  2024-06-30

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