北京航空航天大学学报 ›› 2018, Vol. 44 ›› Issue (11): 2416-2422.doi: 10.13700/j.bh.1001-5965.2018.0081

• 论文 • 上一篇    下一篇

非封闭舱室内电场统计均匀测试方法

裴朝1, 苏东林1, 石国昌2, 廖意2   

  1. 1. 北京航空航天大学 电子信息工程学院, 北京 100083;
    2. 上海无线电设备研究所, 上海 200090
  • 收稿日期:2018-02-08 修回日期:2018-05-04 出版日期:2018-11-20 发布日期:2018-11-27
  • 通讯作者: 廖意,E-mail:lycle21@buaa.edu.cn E-mail:lycle21@buaa.edu.cn
  • 作者简介:裴朝,男,博士研究生,助理研究员。主要研究方向:电磁兼容、可靠性;苏东林,女,博士,教授。主要研究方向:电磁兼容;石国昌,男,硕士,工程师。主要研究方向:HIRF效应仿真与试验;廖意,男,博士,高级工程师。主要研究方向:电磁环境效应。
  • 基金资助:
    国家自然科学基金(61571027,61521091,61427803);上海市青年科技启明星计划(17QB1404100)

Testing methods of statistical uniform electric field in non-enclosed aircraft cabin

PEI Zhao1, SU Donglin1, SHI Guochang2, LIAO Yi2   

  1. 1. School of Electronic Information Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100083, China;
    2. Shanghai Radio Equipment Research Institute, Shanghai 200090, China
  • Received:2018-02-08 Revised:2018-05-04 Online:2018-11-20 Published:2018-11-27
  • Supported by:
    National Natural Science Foundation of China (61571027, 61521091, 61427803); Shanghai Rising-Star Program (17 QB1404100)

摘要: 低电平扫描场(LLSF)测试是飞机级高强辐射场(HIRF)效应试验的重要内容。分别建立了方形舱室内置模式搅拌叶片的仿真模型和试验系统,验证了外部LLSF照射下非封闭舱室内产生统计均匀特性电场的可行性。以方形舱室和圆柱舱室模型为对象,提出了基于遍历和递归算法的场均匀区域检验方法,获取了模式搅拌工作下的2种非封闭舱室内的有限均匀区域,为实际飞机级LLSF试验过程中接收探头的布置提供重要指导。

关键词: 场均匀性, 模式搅拌器, 非封闭舱室, 低电平扫描场(LLSF), 高强辐射场(HIRF)

Abstract: Low level swept field (LLSF) testing is an important part of aircraft-level high intensity radiated field (HIRF) effect measurements. The simulation model and experimental systems of LLSF effect for cuboid-shaped cabin with mechanical mode stirrer placed internally were established. Encouraging numerical and experimental results validated the possibility of statistical uniformity characteristic inside the non-enclosed cabin, which is illuminated by LLSF, with the help of mode stirrer. Then, the simulation models of non-closed cuboid-shaped cabin, as well as the cylindrical cabin were considered. The searching and testing method is proposed based on the traversal and recursive algorithm. The frequency-dependent regions of uniform electric field inside cabins were obtained by using the proposed valid test method. The objective is to provide an important guidance for limiting the regions of receiving probes or antennas in practical LLSF measurements.

Key words: field uniformity, mode stirrer, non-enclosed aircraft cabin, low level swept field (LLSF), high intensity radiated field (HIRF)

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