首页 | 本学科首页   官方微博 | 高级检索  
     

校园电磁环境测量与相关性分析
引用本文:许金海,赵翔,张明安,闫丽萍,周海京. 校园电磁环境测量与相关性分析[J]. 四川大学学报(自然科学版), 2016, 53(2): 347-352
作者姓名:许金海  赵翔  张明安  闫丽萍  周海京
作者单位:四川大学电子信息学院;四川大学电子信息学院;四川大学电子信息学院;四川大学电子信息学院;北京应用物理与计算数学研究所
基金项目:国家重点基础研究发展计划973计划(2013CB328904); 国家自然科学基金委员会和中国工程物理研究院联合基金(NSAF U1530143)
摘    要:本文针对某校园的电磁环境进行了测量与统计分析,展示了校园内电磁环境的空间分布情况,同时对比了不同区域电磁环境的分布,绘制了测量数据的概率密度函数图,得到了一些有价值的统计结果.这些实测数据和统计结果对于评估和分析电磁环境提供了必要的支持,对于电磁环境的理论分析方法也提供了可比对的数据.最后,本文提出了一种利用相关性来表征电磁环境复杂度的方法,利用两个场强探头同时采集空间中不同位置的电场幅值,对其电场幅值的时间序列做相关性计算,以此来评估电磁环境复杂度的高低,并给出三个不同区域电场分量与总场幅值的相关系数随距离变化图.

关 键 词:电磁环境; 统计分析; 概率密度; 相关系数
收稿时间:2015-03-12
修稿时间:2015-03-30

Measurement and Correlation Analysis of Electromagnetic Environment in a Campus
XU Jin-Hai,ZHAO Xiang,ZHANG Ming-An,YAN Li-Ping and ZHOU Hai-Jing. Measurement and Correlation Analysis of Electromagnetic Environment in a Campus[J]. Journal of Sichuan University (Natural Science Edition), 2016, 53(2): 347-352
Authors:XU Jin-Hai  ZHAO Xiang  ZHANG Ming-An  YAN Li-Ping  ZHOU Hai-Jing
Affiliation:College of Electronics and Information Engineering, Sichuan University,College of Electronics and Information Engineering, Sichuan University,College of Electronics and Information Engineering, Sichuan University,College of Electronics and Information Engineering, Sichuan University and Beijing Institute of Applied Physics and Computational Mathematics
Abstract:In this paper,the electromagnetic environment (EME) in a campus is measured and analyzed adopting statistical method.The results present the spatial distribution of the EME in this campus,and the characteristics of EME in various areas are compared.The probability density functions (PDFs) of the measured data are calculated and depicted,and some other valuable results are also obtained.These measured data and statistical results provide necessary support for evaluating and analyzing the EME.These data could be utilized to affirm theoretical analysis method of EME.Finally,this paper presents a method that using correlation to represent the complexity of EME.Two electromagnetic field intensity probes are applied for sampling the electric field strength of various positions simultaneously,the Correlation Coefficients between two time series of electric field strength are calculated to measure the complexity of EME,and the figures of correlation coefficient corresponding to each component and total field versus distances are presented.
Keywords:Electromagnetic environment   Statistical analysis   Probability density   Correlation coefficient
本文献已被 CNKI 等数据库收录!
点击此处可从《四川大学学报(自然科学版)》浏览原始摘要信息
点击此处可从《四川大学学报(自然科学版)》下载全文
设为首页 | 免责声明 | 关于勤云 | 加入收藏

Copyright©北京勤云科技发展有限公司  京ICP备09084417号