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典型雷达装备带内连续波辐射效应试验研究

任仕召 魏光辉 潘晓东 赵凯 杜雪

任仕召, 魏光辉, 潘晓东, 等. 典型雷达装备带内连续波辐射效应试验研究[J]. 强激光与粒子束, 2020, 32: 053005. doi: 10.11884/HPLPB202032.190471
引用本文: 任仕召, 魏光辉, 潘晓东, 等. 典型雷达装备带内连续波辐射效应试验研究[J]. 强激光与粒子束, 2020, 32: 053005. doi: 10.11884/HPLPB202032.190471
Ren Shizhao, Wei Guanghui, Pan Xiaodong, et al. Experimental study on radiation effect of in-band continuous wave on typical radar equipment[J]. High Power Laser and Particle Beams, 2020, 32: 053005. doi: 10.11884/HPLPB202032.190471
Citation: Ren Shizhao, Wei Guanghui, Pan Xiaodong, et al. Experimental study on radiation effect of in-band continuous wave on typical radar equipment[J]. High Power Laser and Particle Beams, 2020, 32: 053005. doi: 10.11884/HPLPB202032.190471

典型雷达装备带内连续波辐射效应试验研究

doi: 10.11884/HPLPB202032.190471
基金项目: “十三五”装备预先研究项目(41409030301);河北省自然科学基金项目(E2019506032)
详细信息
    作者简介:

    任仕召(1988—),男,硕士研究生,从事电磁环境效应实验评估技术研究;ren_walker@foxmail.com

  • 中图分类号: TN97

Experimental study on radiation effect of in-band continuous wave on typical radar equipment

  • 摘要:

    为掌握雷达装备在带内连续波辐射下的效应规律、揭示带内连续波对雷达的干扰作用机理,以某型频率步进雷达为受试对象,采用全电平辐照法对其进行电磁辐射效应试验研究。带内单频点电磁辐射效应试验结果表明,受试雷达在带内连续波辐射能量作用下,出现测距不准、目标回波电平受到压制等效应。测距误差随辐射干扰功率的增加不规则地变化,而目标回波电平随辐射功率的增加而逐渐减小。带内单频连续波辐射敏感度试验结果表明,受试雷达对带内电磁辐射能量非常敏感。在给定试验条件下,最小只需要0.32 V/m(频差为−0.1 GHz时)的辐射场强就能对受试雷达造成有效干扰。辐射频差超过±0.16 GHz后,临界干扰场强开始急剧增加,受试雷达的连续波电磁辐射效应表现出明显的选频特性。

  • 图  1  典型雷达装备连续波辐射效应试验系统框图

    Figure  1.  Block diagram of the test system for continuous wave radiation effect on typical radar equipment

    图  2  受试雷达系统框图

    Figure  2.  Block diagram of the radar system under test

    图  3  目标回波电平和压缩量随干扰功率变化曲线

    Figure  3.  Curves of target echo level and compression change with the radiation power

    图  4  受试雷达的敏感度曲线

    Figure  4.  In-band sensitivity curve of the radar under test

    表  1  f0频点连续波辐射效应试验结果

    Table  1.   Results of experiments at frequency f0

    Pj/dBmd/mlevel/(dBm·V)Pj/dBmd/mlevel/(dBm·V)
    none 4.69 60.17 29.0 4.15 46.44
    2.0 4.69 59.70 32.0 4.19 44.01
    5.0 4.69 59.66 35.0 4.53 40.80
    8.0 4.69 59.60 38.0 4.69 37.99
    11.0 4.65 59.17 41.0 4.65 35.12
    14.0 4.61 58.67 44.0 4.63 32.05
    17.0 4.63 57.65 47.0 4.59 28.46
    20.0 4.59 55.94 50.0 4.57 26.45
    23.0 4.19 53.16 53.0 4.57 25.30
    26.0 4.15 49.39
    下载: 导出CSV

    表  2  带内敏感度门限试验结果

    Table  2.   Results of in-band sensitivity threshold

    Δf/GHzEj/(V·m−1Δf/GHzEj/(V·m−1
    0 0.39 0.02 0.43
    −0.20 2.54 0.04 0.45
    −0.18 1.46 0.06 0.56
    −0.16 0.63 0.08 0.68
    −0.14 0.38 0.10 0.82
    −0.12 0.33 0.12 0.82
    −0.10 0.32 0.14 0.86
    −0.08 0.35 0.16 1.86
    −0.06 0.34 0.18 1.37
    −0.04 0.35 0.20 5.37
    −0.02 0.33
    下载: 导出CSV
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出版历程
  • 收稿日期:  2019-12-17
  • 修回日期:  2020-02-13
  • 刊出日期:  2020-02-10

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