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9.5 m高水平极化有界波电磁脉冲模拟器内场分布特性的初步实验研究

吴伟 王海洋 吴刚 朱湘琴 肖晶 程乐

吴伟, 王海洋, 吴刚, 等. 9.5 m高水平极化有界波电磁脉冲模拟器内场分布特性的初步实验研究[J]. 强激光与粒子束. doi: 10.11884/HPLPB202133.200303
引用本文: 吴伟, 王海洋, 吴刚, 等. 9.5 m高水平极化有界波电磁脉冲模拟器内场分布特性的初步实验研究[J]. 强激光与粒子束. doi: 10.11884/HPLPB202133.200303
Wu Wei, Wang Haiyang, Wu Gang, et al. Preliminary experimental investigation of field distribution characteristics in horizontal polarized bounded-wave EMP simulator with 9.5 m height[J]. High Power Laser and Particle Beams. doi: 10.11884/HPLPB202133.200303
Citation: Wu Wei, Wang Haiyang, Wu Gang, et al. Preliminary experimental investigation of field distribution characteristics in horizontal polarized bounded-wave EMP simulator with 9.5 m height[J]. High Power Laser and Particle Beams. doi: 10.11884/HPLPB202133.200303

9.5 m高水平极化有界波电磁脉冲模拟器内场分布特性的初步实验研究

doi: 10.11884/HPLPB202133.200303
基金项目: 强脉冲辐射环境模拟与效应国家重点实验室专项经费资助项目(SKLIPR1601Z)
详细信息
    作者简介:

    吴伟:吴 伟(1976—),男,博士,高级工程师,主要从事研究方向为电磁脉冲技术及效应、抗辐射加固技术等方向的研究工作;ww@163.com

  • 中图分类号: TN011; O441.3

Preliminary experimental investigation of field distribution characteristics in horizontal polarized bounded-wave EMP simulator with 9.5 m height

  • 摘要: 测量了9.5 m高的水平极化有界波电磁脉冲模拟器的内部场,并根据实验测量结果分析了该模拟器内场分布特性,包括一定区域内场均匀性的定量分析及模拟器内部有效测试空间的确定方法,进而对最低位置为距离地面2 m的有效测试空间进行了预估。实验结果表明:位于该模拟器双锥中心正下方且距离该中心5.5~7.5 m的测点场的峰值基本按照与中心间距的倒数衰减,且随着测点与双锥中心间距的增大,因锥与极板不连续结构导致的波形变化在时间轴上滞后,而因地面影响导致的波形变化在时间轴上提前;在距离地面比较高的水平面上,两极板之间场的外泄方向场的衰减比双锥中轴线方向场的衰减更慢;该模拟器内部距离地面2 m的水平面上12 m×12 m的区域内所取测点的归一化场平均峰值约为0.678,归一化场平均峰值的标准偏差约为0.068 9,场的均匀性约为2.039 dB。
  • 图  1  9.5 m高的EMP模拟器

    Figure  1.  EMP simulator with 9.5 m height

    图  2  EMP模拟器双锥实体图

    Figure  2.  EMP simulator’s bi-cones

    图  3  实验测得的EMP模拟器的激励电压波形

    Figure  3.  EMP simulator’s source voltage from experiment

    图  4  位于双锥正下方的几个测点场的归一化时域波形

    Figure  4.  Normalized Ez of some points below bi-cones’ center in time-domain

    图  5  模拟器内部某水平面上沿坐标轴偏离中心的几个测点位置

    Figure  5.  Location of testing-points along x-axis or z-axis away the center on some horizontal plane in simulator

    图  6  距离地面3 m高的水平面上沿x轴及z轴偏离水平面中心的测点场归一化时域波形的对比

    Figure  6.  Comparison of normalized Ez of some points located away from the center of the horizontal plane with h =3 m along x-axis and z-axis

    表  1  沿着x轴或者z轴偏离水平面中心的测点场归一化峰值的比较

    Table  1.   Comparison of peak-values of normalized Ez at points away from the center of some horizontal plane

    h/mpoint’s location/mnormalized peak-valuerise-time/nsFWHM/ns
    2(2,7.5,0)0.7382.2813.16
    2(4,7.5,0)0.7192.2012.87
    2(6,7.5,0)0.6522.5310.80
    2(0,7.5,2)0.7242.2013.40
    2(0,7.5,4)0.7202.3012.83
    2(0,7.5,6)0.6001.8012.07
    3(2,6.5,0)0.8192.1619.76
    3(4,6.5,0)0.7382.2918.60
    3(6,6.5,0)0.6622.3518.20
    3(0,6.5,2)0.7922.4419.24
    3(0,6.5,4)0.7532.1718.94
    3(0,6.5,6)0.6092.7516.60
    4(2,5.5,0)0.8782.3125.63
    4(4,5.5,0)0.8342.8324.29
    4(6,5.5,0)0.7352.4622.83
    4(0,5.5,2)0.8012.3725.09
    4(0,5.5,4)0.7702.8324.11
    4(0,5.5,6)0.6242.5121.66
    下载: 导出CSV

    表  2  距离地面2 m的水平面上若干测点场的归一化峰值

    Table  2.   Peak-values of normalized Ez at points on the horizontal plane with h=2 m

    point’s location/mnormalized peak-value
    (0,7.5,0)0.745
    (0,7.5,2)0.724
    (0,7.5,4)0.720
    (0,7.5,6)0.600
    (2,7.5,2)0.722
    (2,7.5,0)0.738
    (4,7.5,0)0.719
    (6,7.5,0)0.652
    (4,7.5,4)0.609
    (6,7.5,6)0.553
    下载: 导出CSV
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出版历程
  • 收稿日期:  2020-11-03
  • 修回日期:  2021-03-11
  • 网络出版日期:  2021-03-25

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