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边界形变可控混响室场分布特性分析

贾锐 王川川 王鹏 戴幻尧 马磊

贾锐, 王川川, 王鹏, 等. 边界形变可控混响室场分布特性分析[J]. 强激光与粒子束, 2024, 36: 123002. doi: 10.11884/HPLPB202436.240104
引用本文: 贾锐, 王川川, 王鹏, 等. 边界形变可控混响室场分布特性分析[J]. 强激光与粒子束, 2024, 36: 123002. doi: 10.11884/HPLPB202436.240104
Jia Rui, Wang Chuanchuan, Wang Peng, et al. Analysis of field distribution characteristics of controllable boundary deformation reverberation chamber[J]. High Power Laser and Particle Beams, 2024, 36: 123002. doi: 10.11884/HPLPB202436.240104
Citation: Jia Rui, Wang Chuanchuan, Wang Peng, et al. Analysis of field distribution characteristics of controllable boundary deformation reverberation chamber[J]. High Power Laser and Particle Beams, 2024, 36: 123002. doi: 10.11884/HPLPB202436.240104

边界形变可控混响室场分布特性分析

doi: 10.11884/HPLPB202436.240104
基金项目: 国家自然科学基金项目(61801480)
详细信息
    作者简介:

    贾 锐,jiarui315@163.com

  • 中图分类号: TM15

Analysis of field distribution characteristics of controllable boundary deformation reverberation chamber

  • 摘要: 分析了边界形变对混响室谐振频率漂移的影响,并提供了一种边界形变可控的混响室反射面设计。将传统机械搅拌器改变为褶皱墙面,通过控制相邻反射模块的夹角,达到改变边界条件的目的。构建了5 m×4 m×3 m混响室腔体仿真模型,从场均匀性、搅拌效率和场分布规律三个方面分析了边界形变可控混响室的有效性,结果表明测试区域电场标准偏差低于3 dB,搅拌效率高于传统机械搅拌器,测试区域电场服从理想混响室分布规律,该方法可有效增加混响室测试区域空间。
  • 图  1  边界形变可控混响室反射面设计流程图

    Figure  1.  Flowchart for the design of reflective surfaces in a controllable boundary deformation reverberation chamber

    图  2  常规混响室内壁反射面结构示意图

    Figure  2.  Schematic diagram of the reflective surface structure on the inner wall of a conventional reverberation chamber

    图  3  边界形变可控的混响室内壁反射面结构示意图

    Figure  3.  Schematic diagram of the reflective surface structure on the inner wall of a controllable boundary deformation reverberation chamber

    图  4  机械搅拌混响室和边界形变混响室的独立搅拌位置数量对比

    Figure  4.  Comparison of the number of independent stirring positions between mechanically stirred reverberation chamber and boundary-deformation-based reverberation chamber

    图  5  电场各分量及总电场的频域标准偏差

    Figure  5.  Frequency domain standard deviation of each component of the electric field and the total electric field

    图  6  电场分量实部虚部的概率密度函数

    Figure  6.  Probability density function of the real and imaginary parts of electric field components

    图  7  单一方向电场分量的概率密度函数

    Figure  7.  Probability density function of electric field components in a single direction

    图  8  电场各分量的累计概率密度函数曲线

    Figure  8.  Cumulative probability density function curves of each electric field component

  • [1] IEC 61000-4-21, Electromagnetic compatibility (EMC)—Part 4-21: testing and measurement techniques—reverberation chamber test methods[S].
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    GB/T 17626.21-2014, Electromagnetic compatibility—testing and measurement techniques—reverberation chamber test methods[S]
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    Zhao Xiang, Ru Mengyuan, Yan Liping, et al. A review of research on stirring methods of electromagnetic reverberation chamber[J]. High Power Laser and Particle Beams, 2020, 32: 063001 doi: 10.11884/HPLPB202032.200079
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  • 被引次数: 0
出版历程
  • 收稿日期:  2024-03-22
  • 修回日期:  2024-10-18
  • 录用日期:  2024-10-18
  • 网络出版日期:  2024-10-30
  • 刊出日期:  2024-11-08

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