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一种强电磁脉冲辐射场均匀性校准测试装置

高原 秦风 吴双

高原, 秦风, 吴双. 一种强电磁脉冲辐射场均匀性校准测试装置[J]. 强激光与粒子束, 2019, 31: 063206. doi: 10.11884/HPLPB201931.190053
引用本文: 高原, 秦风, 吴双. 一种强电磁脉冲辐射场均匀性校准测试装置[J]. 强激光与粒子束, 2019, 31: 063206. doi: 10.11884/HPLPB201931.190053
Gao Yuan, Qin Feng, Wu Shuang. Device for uniformity calibration of high-intensity electromagnetic pulse radiation[J]. High Power Laser and Particle Beams, 2019, 31: 063206. doi: 10.11884/HPLPB201931.190053
Citation: Gao Yuan, Qin Feng, Wu Shuang. Device for uniformity calibration of high-intensity electromagnetic pulse radiation[J]. High Power Laser and Particle Beams, 2019, 31: 063206. doi: 10.11884/HPLPB201931.190053

一种强电磁脉冲辐射场均匀性校准测试装置

doi: 10.11884/HPLPB201931.190053
基金项目: 

国防基础科研项目 JCKY2016212B034

详细信息
    作者简介:

    高原(1989-)男,硕士,助理研究员,从事电磁环境构建技术研究;18142550916@163.com

    通讯作者:

    秦风(1985-)男,博士,副研究员,从事复杂电磁环境效应及防护技术研究;fq_soul2000@163.com

  • 中图分类号: TM937

Device for uniformity calibration of high-intensity electromagnetic pulse radiation

  • 摘要: 目前,辐射场均匀性主要采用单点多次测试的方式来实现,该方式将不可避免地引入因辐照信号自身时变特性带来的测量误差;此外,单点多次测试极大地增加了测试时间、测试效率低下。为解决这些问题,本文设计了一种可实现一次多点测试、测试区域可自动调节的装置,仿真表明:该装置可满足500 mm×500 mm~1500 mm×1500 mm区域辐射场9点均匀性测试;在此基础上,在1000 mm×1000 mm测试区域,针对1.35 GHz和2.88 GHz两个频点开展了实验验证,实验表明:设计的测试装置可满足辐射场均匀性9点自动测试要求,大幅提高了测试效率和自动化程度。
  • 图  1  窄带高功率微波辐射场均匀区确定示意图

    Figure  1.  Schematic for the determination of uniform region of narrow-band high power microwave radiation

    图  2  高功率微波辐射场均匀性测试装置

    Figure  2.  Uniformity measurement device of high power microwave radiation

    图  3  CST仿真模型

    Figure  3.  Simulation model

    图  4  仿真波形示例

    Figure  4.  CST simulation signal demonstration

    图  5  载波频率为1.35 GHz条件下的仿真结果

    Figure  5.  Simulation results with the carrier wave frequency of 1.35 GHz

    图  6  载波频率为2.88 GHz条件下的仿真结果

    Figure  6.  Simulation results with the carrier wave frequency of 2.88 GHz

    图  7  载波频率为1.35 GHz条件下的测试结果

    Figure  7.  Measurement results with the carrier wave frequency of 1.35 GHz

    图  8  载波频率为2.88 GHz条件下的测试结果

    Figure  8.  Measurement results with the carrier wave frequency of 2.88 GHz

    表  1  常见材料的物理特性

    Table  1.   Physical properties of common insulating materials

    material dielectric coefficient density/(kg·m-3) bending strength/MPa
    organic glass 3.9 1200 130
    wood 2.6 1000 135
    PTFE 2.0 2200 25
    reinforced nylon 2.6 1180 175
    下载: 导出CSV

    表  2  不同频率、不同测试区域时场均匀性最大偏差值

    Table  2.   The maximum difference of electric field uniformity under different carrier wave frequency and different measurement size

    frequency/GHz the maximum difference of electric field uniformity/dB
    500 mm×500 mm 1000 mm×1000 mm 1500 mm×1500 mm
    1.35 0.20 0.47 1.13
    2.88 0.16 0.83 1.10
    下载: 导出CSV

    表  3  不同频率、不同测试支架条件下场均匀性最大偏差值

    Table  3.   Maximum difference of electric field uniformity under different carrier wave frequency and different measurement bracket

    frequency/GHz wooden bracket/dB newly-designed device/dB
    1.35 2.29 1.91
    2.88 2.94 1.83
    下载: 导出CSV
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    [5] GB/T 17626.3-2006, 电磁兼容-试验和测量技术-射频电磁场辐射抗扰度试验[S].

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  • 被引次数: 0
出版历程
  • 收稿日期:  2019-02-27
  • 修回日期:  2019-04-24
  • 刊出日期:  2019-07-15

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