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C/Ku波段共口径宽角度扫描相控阵天线

邓洲 钟选明 程友峰 廖成

邓洲, 钟选明, 程友峰, 等. C/Ku波段共口径宽角度扫描相控阵天线[J]. 强激光与粒子束, 2022, 34: 043008. doi: 10.11884/HPLPB202234.210453
引用本文: 邓洲, 钟选明, 程友峰, 等. C/Ku波段共口径宽角度扫描相控阵天线[J]. 强激光与粒子束, 2022, 34: 043008. doi: 10.11884/HPLPB202234.210453
Deng Zhou, Zhong Xuanming, Cheng Youfeng, et al. C/Ku band shared-aperture wide-angle scanning phased array antenna[J]. High Power Laser and Particle Beams, 2022, 34: 043008. doi: 10.11884/HPLPB202234.210453
Citation: Deng Zhou, Zhong Xuanming, Cheng Youfeng, et al. C/Ku band shared-aperture wide-angle scanning phased array antenna[J]. High Power Laser and Particle Beams, 2022, 34: 043008. doi: 10.11884/HPLPB202234.210453

C/Ku波段共口径宽角度扫描相控阵天线

doi: 10.11884/HPLPB202234.210453
基金项目: 国家自然科学基金项目(61901398, 61801405, 61731005);四川省科技厅项目(2021YJ0361);西南交通大学科技建设专项(XJ2021KJZK008)
详细信息
    作者简介:

    邓 洲,dengzhouswjtu@163.com

    通讯作者:

    钟选明,xm_zhong@163.com

  • 中图分类号: TN821+.8

C/Ku band shared-aperture wide-angle scanning phased array antenna

  • 摘要: 设计了一款具有高功率容量与宽角度扫描特性的C/Ku双频段共口径平面相控阵天线。在同一辐射口径内,相控阵天线包含有基于平面偶极子单元的C波段4×4阵列,以及基于混合零阶谐振贴片单元的Ku波段8×9阵列。所设计的相控阵天线的宽角度扫描性能归功于双频段阵元天线的宽波束辐射特性。下层混合零阶谐振贴片天线既能作为Ku波段的宽波束辐射单元,又能够为C波段的偶极子天线提供零反射相位,进而基于镜像原理拓宽偶极子天线的波束宽度。并且,对天线进行了介质埋入式设计,避免了空气击穿以提高天线系统功率容量。全波仿真结果表明,所提出的共口径相控阵天线在C和Ku双频段均实现了±45°的波束扫描,增益波动小于3 dB,天线阵列在各单元输入功率之和为1 W时功率容量达18.9 MW。
  • 图  1  贴片天线结构示意图

    Figure  1.  Schematic diagram of patch antenna

    图  2  贴片天线回波损耗S11

    Figure  2.  S-parameter of the patch antenna

    图  3  贴片天线辐射方向图

    Figure  3.  Radiation pattern of the patch antenna

    图  4  平面偶极子天线俯视图

    Figure  4.  Top view of planar dipole antenna

    图  5  贴片天线反射相位图

    Figure  5.  Reflection phase diagram of the patch antenna

    图  6  平面偶极子天线回波损耗S11

    Figure  6.  S-parameter of the planar dipole antenna

    图  7  平面偶极子天线辐射方向图

    Figure  7.  Radiation pattern of the planar dipole antenna

    图  8  共口径天线阵列俯视图

    Figure  8.  Top view of the shared-aperture antenna

    图  9  有源反射系数

    Figure  9.  Active s-parameter

    图  10  C/Ku波段隔离度

    Figure  10.  Isolation between C and Ku bands

    图  11  相控阵天线yoz平面辐射方向图

    Figure  11.  yoz-plane radiation patterns

    图  12  介质表面电场强度分布

    Figure  12.  Electric field distribution in the surface of the medium

    图  13  天线系统电场强度分布

    Figure  13.  Electric field distribution in the antenna system

    表  1  优化参数值

    Table  1.   Optimized parameter values mm

    WsWhWpWkWdRrHLGh
    10.58.55.50.52.50.50.328.511.08
    下载: 导出CSV
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出版历程
  • 收稿日期:  2021-10-26
  • 修回日期:  2021-12-20
  • 录用日期:  2022-01-04
  • 网络出版日期:  2022-01-11
  • 刊出日期:  2022-03-19

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