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X波段超宽角扫描相控阵天线设计

陆娇君 吴鸿超

陆娇君, 吴鸿超. X波段超宽角扫描相控阵天线设计[J]. 强激光与粒子束, 2019, 31: 123202. doi: 10.11884/HPLPB201931.190226
引用本文: 陆娇君, 吴鸿超. X波段超宽角扫描相控阵天线设计[J]. 强激光与粒子束, 2019, 31: 123202. doi: 10.11884/HPLPB201931.190226
Lu Jiaojun, Wu Hongchao. Design of X-band ultra-wide angle scanning phased array antenna[J]. High Power Laser and Particle Beams, 2019, 31: 123202. doi: 10.11884/HPLPB201931.190226
Citation: Lu Jiaojun, Wu Hongchao. Design of X-band ultra-wide angle scanning phased array antenna[J]. High Power Laser and Particle Beams, 2019, 31: 123202. doi: 10.11884/HPLPB201931.190226

X波段超宽角扫描相控阵天线设计

doi: 10.11884/HPLPB201931.190226
基金项目: “十三五”装备预研共用技术项目(41413060404)
详细信息
    作者简介:

    陆娇君(1994-),女,硕士研究生,从事宽带宽角扫描相控阵研究;saraeling@163.com

  • 中图分类号: TN822

Design of X-band ultra-wide angle scanning phased array antenna

  • 摘要: 为了实现X波段超宽角扫描,提出一种新型的紧耦合阵列天线单元设计,并结合等效电路分析优化天线参数。采用集成式Marchand巴伦馈电,可以实现偶极子与巴伦共基板印刷,进而减小天线的重量与成本。阵列口径上方加载垂直寄生覆层及水平单层电介质板,两者共同作用以改善宽角扫描时阻抗变换。仿真结果表明该天线可实现X波段(8~12 GHz)E面80°、H面70°的扫描角,且有源驻波比小于3。该天线结构简单紧凑,易于加工制作。
  • 图  1  加载宽角匹配层的TCDA

    Figure  1.  TCDA with WAIM

    图  2  加载宽角匹配层的TCDA等效电路

    Figure  2.  Equivalent circuit of TCDA with WAIM

    图  3  h1参数对TCDA驻波系数的影响

    Figure  3.  The influence of h1 values on TCDA VSWR

    图  4  ldipole参数对TCDA驻波系数的影响

    Figure  4.  The influence of ldipole values on TCDA VSWR

    图  5  TCDA加载WIAM时有源驻波系数特性曲线

    Figure  5.  Active VSWR characteristic curves of TCDA with WAIM

    图  6  D平面交叉极化电平

    Figure  6.  Cross-polarization level along the diagonal plane

    图  7  25×∞有限阵列

    Figure  7.  25×∞ finite array

    图  8  10 GHz阵列中心单元归一化实际增益方向图

    Figure  8.  Array center unit normalized realized gain pattern at 10 GHz

    图  9  25×∞阵列E平面和H平面辐射方向图

    Figure  9.  25×∞ finite array E and H plane radiation pattern

    表  1  优化参数值

    Table  1.   Optimized parameter values (mm)

    ${d_E}$${d_H}$${w_{{\rm{f}}1}}$${w_{{\rm{f}}3}}$${w_{{\rm{f}}2}}$${w_{\rm{b}}}$${w_{{\rm{d}}1}}$${w_{{\rm{d}}2}}$${w_{{\rm{d}}3}}$
    8.08.00.450.520.191.560.70.71.0
    ${a_{\rm{v}}}$${b_{\rm{v}}}$${l_{\rm{v}}}$${t_{\rm{h}}}$${l_{\rm{d}}}$${g_{\rm{h}}}$${h_1}$${h_2}$${w_{\rm{f}}}$
    1.01.03.00.7622.01.08.02.691.8
    下载: 导出CSV
    下载: 导出CSV
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    [2] Cedric W L, Dimitris P, Asimina K, et al. Body-worn 67: 1 bandwidth antenna using 3 overlapping dipole elements[C]//11th European Conference on Antennas and Propagation. 2017: 1557-1558.
    [3] Xiao S, Yang S, C Y, et al. An ultra-wideband tightly coupled dipole array co-designed with low scattering characteristics[J]. IEEE Trans Antennas and Propagation, 2019, 67(1): 676-680. doi: 10.1109/TAP.2018.2880038
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    [7] Lee M Y, Logan J T, Kindt R W, et al. Simplified design of 6:1 PUMA arrays[C]//IEEE International Symposium on Antennas & Propagation & USNC/URSI National Radio Science Meeting. 2015.
    [8] Papantonis D, Volakis J. Dual polarized tightly coupled array with substrate loading[J]. IEEE Antennas & Wireless Propagation Letters, 2016, 15: 325-328.
    [9] Zhou W, Chen Y, Yang S. Dual-polarized tightly coupled dipole array for UHF-X band satellite applications[J]. IEEE Antennas and Wireless Propagation Letters, 2019, 18(3): 467-471. doi: 10.1109/LAWP.2019.2894348
    [10] Zhang H, Yang S, Chen Y, et al. Wideband dual-polarized linear array of tightly coupled elements[J]. IEEE Trans Antennas and Propagation, 2018, 66(1): 476-480. doi: 10.1109/TAP.2017.2776959
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  • 被引次数: 0
出版历程
  • 收稿日期:  2019-06-20
  • 修回日期:  2019-08-29
  • 刊出日期:  2019-12-01

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