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车载单极天线的电磁脉冲响应特性

胡晓 邱扬 田锦

胡晓, 邱扬, 田锦. 车载单极天线的电磁脉冲响应特性[J]. 强激光与粒子束, 2018, 30: 033201. doi: 10.11884/HPLPB201830.170177
引用本文: 胡晓, 邱扬, 田锦. 车载单极天线的电磁脉冲响应特性[J]. 强激光与粒子束, 2018, 30: 033201. doi: 10.11884/HPLPB201830.170177
Hu Xiao, Qiu Yang, Tian Jin. Response characteristics of vehicle monopole antenna exposed to electromagnetic pulse[J]. High Power Laser and Particle Beams, 2018, 30: 033201. doi: 10.11884/HPLPB201830.170177
Citation: Hu Xiao, Qiu Yang, Tian Jin. Response characteristics of vehicle monopole antenna exposed to electromagnetic pulse[J]. High Power Laser and Particle Beams, 2018, 30: 033201. doi: 10.11884/HPLPB201830.170177

车载单极天线的电磁脉冲响应特性

doi: 10.11884/HPLPB201830.170177
基金项目: 

高功率微波技术重点实验室基金项目 61426050401162605004

详细信息
    作者简介:

    胡晓(1991-),男,博士研究生,从事电磁兼容与电磁仿真研究;wohuxiao123@163.com

  • 中图分类号: TN82

Response characteristics of vehicle monopole antenna exposed to electromagnetic pulse

  • 摘要: 针对车载系统中使用广泛的短波/超短波单极天线,利用CST仿真分析了高空核电磁脉冲对单极天线的耦合响应特性。计算了天线端接的50 Ω负载对电磁脉冲的时频域感应电压信号,研究了电压信号随不同的脉冲入射角、不同车顶面积以及天线不同位置的变化规律。仿真结果表明:馈电点响应电压峰值随着入射脉冲电场矢量与水平夹角的增大而增大,随着车顶对入射脉冲的有效反射面积增大而增大。仿真结果对车辆天线布局方案的定制及天线系统电磁脉冲防护器件的选择具有重要的指导意义。
  • 图  1  HEMP波形参数示意图

    Figure  1.  Schematic map of HEMP waveform parameter

    图  2  IEC标准HEMP波形

    Figure  2.  HEMP waveform of IEC standard

    图  3  仿真模型示意图

    Figure  3.  Schematic map of simulation model

    图  4  不同入射角负载感应电压时、频域曲线

    Figure  4.  Time domain and frequency domain curves of induced voltage with different incident angles

    图  5  不同顶面边长负载感应电压时、频域曲线

    Figure  5.  Time domain and frequency domain curves of induced voltage with different sides of top surface

    图  6  天线移动位置示意图

    Figure  6.  Schematic map of antenna sliding position

    图  7  正反向电压最大值变化曲线

    Figure  7.  Fluctuation curves of forward and reverse maximum voltages

    表  1  三种标准基本波形参数

    Table  1.   Basic waveform parameters of three standards

    standard E0/(kV·m-1) k α/s-1 β/s-1 tr/ns tf/ns tw/ns
    DOD STD MIL-STD-2169 50 1.285 3.0×107 4.76×108 3.1 550 30
    Bell Labs 50 1.05 4.0×106 4.76×108 4.1 550 184
    IEC STD IEC 61000-2-9 50 1.3 4.0×107 6.0×108 2.5 55 23
    下载: 导出CSV

    表  2  负载感应电压时域曲线参数

    Table  2.   Time domain curve parameters of induced voltage

    θ/(°) forward maximum voltage/kV reverse maximum voltage/kV rising edge time/ns
    30 4.25 -2.87 1.5
    45 6.00 -4.15 1.8
    60 7.35 -5.24 2.3
    90 8.64 -6.22 3.3
    下载: 导出CSV

    表  3  负载感应电压时域曲线参数

    Table  3.   Time domain curve parameters of induced voltage

    L/m forward maximum voltage/kV reverse maximum voltage/kV rising edge time/ns
    0.5 5.56 -3.89 1.83
    1.0 6.00 -4.15 1.81
    1.5 6.36 -4.25 1.82
    2.0 6.70 -4.55 1.85
    下载: 导出CSV
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出版历程
  • 收稿日期:  2017-05-17
  • 修回日期:  2017-11-20
  • 刊出日期:  2018-03-15

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