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高功率微波行波阵列纵向宽角扫描特性

廖勇 谢平 马弘舸 孟凡宝

廖勇, 谢平, 马弘舸, 等. 高功率微波行波阵列纵向宽角扫描特性[J]. 强激光与粒子束, 2018, 30: 053002. doi: 10.11884/HPLPB201830.170442
引用本文: 廖勇, 谢平, 马弘舸, 等. 高功率微波行波阵列纵向宽角扫描特性[J]. 强激光与粒子束, 2018, 30: 053002. doi: 10.11884/HPLPB201830.170442
Liao Yong, Xie Ping, Ma Hongge, et al. Longitudinal wideangle scanning of high power microwave waveguide array traveling wave antenna[J]. High Power Laser and Particle Beams, 2018, 30: 053002. doi: 10.11884/HPLPB201830.170442
Citation: Liao Yong, Xie Ping, Ma Hongge, et al. Longitudinal wideangle scanning of high power microwave waveguide array traveling wave antenna[J]. High Power Laser and Particle Beams, 2018, 30: 053002. doi: 10.11884/HPLPB201830.170442

高功率微波行波阵列纵向宽角扫描特性

doi: 10.11884/HPLPB201830.170442
基金项目: 国家高技术发展计划项目
详细信息
    作者简介:

    廖勇(1967-),男,博士,从事高功率微波研究工作;liaoyongmail@163.com

  • 中图分类号: TN321.5

Longitudinal wideangle scanning of high power microwave waveguide array traveling wave antenna

  • 摘要: 利用机械调节波导宽边尺寸可变化波导波长,从而实现变频波束扫描相同的效果,针对窄边辐射波导行波阵的波束扫描特性进行了分析,以实现宽角波束扫描为目标,着重分析了不同辐射缝隙间距下变化宽边所能得到的最大波束扫描范围。设计了通过变化宽边尺寸实现宽角扫描的X波段窄边辐射波导缝隙阵,设计波束扫描范围指向波导馈入端,避开阵列法向辐射(此方向辐射效率较低),实现了29°的连续波束扫描范围,在波束扫描范畴内增益下降小于3 dB,辐射效率大于62%;设计缝隙宽度3 mm, 波导长度约1 m(缝隙数40),单根波导缝隙天线可实现高功率微波功率容量70 MW。
  • 图  1  窄边辐射波导缝隙阵天线结构示意图

    Figure  1.  Slot arrays in the narrow wall of waveguide antenna

    图  2  波导宽边可调波导结构图

    Figure  2.  Structure of waveguide with turnable broadwall

    图  3  主瓣指向角上限随波导宽边变化曲线

    Figure  3.  Upper limited angle of beam for various broadwall widths

    图  4  主瓣指向角随波导宽边变化曲线

    Figure  4.  Direction of beam for various broadwall widths

    图  5  随宽边尺寸变化的波导S11曲线

    Figure  5.  S11 of waveguide for various broadwall widths

    图  6  随宽边尺寸变化的波导S21曲线

    Figure  6.  S21 of waveguide for various broadwall widths

    图  7  可变宽边窄边辐射波导缝隙阵天线

    Figure  7.  Scheme of broadwall dimension tunable slot waveguide antenna

    图  8  变宽边尺寸时辐射波束指向

    Figure  8.  Direction of beam of array for various broadwall widths

    图  9  变宽边尺寸时波导缝隙阵增益

    Figure  9.  Gain of waveguide slot array for various broadwall widths

    图  10  变宽边尺寸时波导缝隙阵辐射效率

    Figure  10.  Radiation efficiency of array for various broadwall widths

    图  11  波导缝隙阵电场分布

    Figure  11.  E-field of waveguide slot array

    图  12  天线阵列介质窗表面电场

    Figure  12.  E-field of antenna window

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    Li Jiawei, Huang Wenhua, Liang Tiezhu. et al. Design and simulation of X-band HPM antenna based on leaky waveguide. High Power Laser and Particle Beams, 2011, 23(8): 2125-2129 http://www.hplpb.com.cn/article/id/5403
    [2] 李佳伟, 黄文华, 张治强, 等. 基于漏波波导的X波段高功率微波天线实验[J]. 强激光与粒子束, 2011, 23(12): 3363-3366. http://www.hplpb.com.cn/article/id/5712

    Li Jiawei, Huang Wenhua, Zhang Zhiqiang, et al. Test of an X-band HPM antenna based on leaky waveguide. High Power Laser and Particle Beams, 2011, 23(12): 3363-3366 http://www.hplpb.com.cn/article/id/5712
    [3] Chang C, Guo L, Tantawi S G, et al. A new compact high-power microwave phase shifter[J]. IEEE Transactions on Microwave Theory & Techniques, 2015, 63(6): 1875-1882.
    [4] 杨一明, 袁成卫, 钱宝良. 波导缝隙阵列天线高功率微波应用探索[J]. 强激光与粒子束, 2013, 25(10): 2648-2652. doi: 10.3788/HPLPB20132510.2648

    Yang Yiming, Yuan Chengwei, Qian Baoliang. Beam steering antenna for high power microwave application. High Power Laser and Particle Beams, 2013, 25(10): 2648-2652 doi: 10.3788/HPLPB20132510.2648
    [5] 廖勇, 孟凡宝, 张现福, 等. L波段高功率波导缝隙阵设计与数值模拟[J]. 强激光与粒子束, 2016, 28: 113003. doi: 10.11884/HPLPB201628.160069

    Liao Yong, Meng Fanbao, Zhang Xianfu, et al. Design and simulation of L-band high power microwave antenna based on rectangular waveguides with longitudinal shunt slots. High Power Laser and Particle Beams, 2016, 28: 113003 doi: 10.11884/HPLPB201628.160069
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    Lin Changlu. Modern antenna design. Beijing: Posts & Telecom Press, 1993
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    [11] 黄惠军, 常超, 侯青, 等. 真空条件下介质窗表面微波击穿实验[J]. 强激光与粒子束, 2010, 22(4): 845-848. https://www.cnki.com.cn/Article/CJFDTOTAL-QJGY201004037.htm

    Huang Huijun, Chang Chao, Hou Qing, et al. Experimental studies on dielectric surface breakdown at vacuum conditions under-power microwave excitation. High Power Laser and Particle Beams, 2010, 22(4): 845-848 https://www.cnki.com.cn/Article/CJFDTOTAL-QJGY201004037.htm
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出版历程
  • 收稿日期:  2017-11-08
  • 修回日期:  2017-12-24
  • 刊出日期:  2018-05-15

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