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基于极化转换超表面的宽带低雷达散射截面缝隙天线阵

潘晨清 周东方 刘起坤 张毅 吕大龙 张德伟

潘晨清, 周东方, 刘起坤, 等. 基于极化转换超表面的宽带低雷达散射截面缝隙天线阵[J]. 强激光与粒子束. doi: 10.11884/HPLPB202133.210197
引用本文: 潘晨清, 周东方, 刘起坤, 等. 基于极化转换超表面的宽带低雷达散射截面缝隙天线阵[J]. 强激光与粒子束. doi: 10.11884/HPLPB202133.210197
Pan Chenqing, Zhou Dongfang, Liu Qikun, et al. Wideband radar cross section reduction of a slot array antenna using[J]. High Power Laser and Particle Beams. doi: 10.11884/HPLPB202133.210197
Citation: Pan Chenqing, Zhou Dongfang, Liu Qikun, et al. Wideband radar cross section reduction of a slot array antenna using[J]. High Power Laser and Particle Beams. doi: 10.11884/HPLPB202133.210197

基于极化转换超表面的宽带低雷达散射截面缝隙天线阵

doi: 10.11884/HPLPB202133.210197
基金项目: 核高基重大专项(2013ZX01010003-004)
详细信息
    作者简介:

    潘晨清(1996—),男,硕士研究生,从事低RCS天线研究

  • 中图分类号: TN715

Wideband radar cross section reduction of a slot array antenna using

  • 摘要: 提出了一种利用极化转换超表面(PCM)来缩减雷达散射截面(RCS)并保持缝隙天线阵列辐射特性的新型天线,在不影响天线性能的情况下实现了天线的宽带RCS缩减。该PCM由45°倾斜的开槽矩形贴片周期排布构成,它被放置在缝隙阵列天线的上表面,起到RCS缩减的功能。分析了RCS缩减的特点和原理,仿真和实验结果表明,带有PCM的缝隙天线阵在x极化和y极化波冲击下,单站RCS缩减带宽为8.0~21.8 GHz。同时天线的辐射特性在阻抗带宽、增益和辐射模式等方面都能保持良好性能。
  • 图  1  极化转换单元结构示意图

    Figure  1.  Geometry the polarization conversion unit cell

    图  2  不同参数对反射系数rxx 的影响

    Figure  2.  The simulated magnitude of rxx for the case of different parameter

    图  3  x极化照射下的单元的反射特性

    Figure  3.  Reflection characteristics of the unit under x-polarized illumination

    图  4  电磁波极化转换原理示意图

    Figure  4.  Schematic diagram of electromagnetic wave polarization conversion principle

    图  5  无限周期结构开槽矩形贴片及其镜像结构交叉极化反射波的相位差

    Figure  5.  The cross-polarized reflection phasedifference between the infinite periodic slotted rectangular patch unit and the mirrorunit

    图  6  极化转换超表面结构示意图

    Figure  6.  Schematic diagram of polarization conversion metasurfaces structure

    图  7  x极化波垂直照射下超表面和金属板的归一化单站RCS

    Figure  7.  Normalized single station RCS of metasurfaces and metal plate under vertical irradiation of x polarized wave

    图  8  极化超表面和金属板的3-D散射图

    Figure  8.  3-D bistatic scattered fields of the PCM and the PEC

    图  9  天线结构示意图

    Figure  9.  Schematic diagram of slot antenna structure

    图  10  一分二功分器结构示意图

    Figure  10.  Schematic diagram of the 1-to-2 power divider

    图  11  缝隙天线阵实物照片

    Figure  11.  Physical photo of slot antenna array

    图  12  有无PCM缝隙天线阵反射系数的测量和仿真结果

    Figure  12.  Simulated and measured reflection coefficients of the antenna without PCM and the antenna with PCM

    图  13  有无PCM缝隙天线阵10.4 GHz方向图

    Figure  13.  radiation pattern with or without PCM slot antenna array at 10.4 GHz

    图  14  缝隙天线阵的RCS仿真和测试曲线

    Figure  14.  Simulated and measured RCS of both antennas versus frequency

    表  1  低RCS缝隙天线阵性能比较

    Table  1.   Performance comparison of low RCS slot antenna array

    No.Impedance bandwidth/GHzRCS bandwidth/GHzmaximum gain/dB
    this paper
    ref. [7]
    ref. [16]
    9.12~11.49
    4.45~4.75
    3.01~3.48
    8.0~21.8
    6.0~18.0
    6.3~14.5
    9.8
    8.91
    5.56
    ref.[17]9.25~10.116.6~13.612.1
    下载: 导出CSV
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    [8] Zheng Qi, Chen Jiangguo, Ding Jun, et al. A broadband low-RCS metasurface for CP patch antennas[J]. IEEE Transactions on Antennas and Propagation, 2021, 6(69): 3529-3534.
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    Kang Xingjian. The theory and design of antenna[M]. Beijing: Beijing Institute of Technology Press, 1993: 327-328.
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    Zhang Jian. Low RCS slot antenna array design based on polarization conversion metasurface[D]. Dalian Maritime University, 2020.
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出版历程
  • 收稿日期:  2021-05-24
  • 修回日期:  2021-08-13
  • 网络出版日期:  2021-09-06

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