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使用GTEM室做辐射总功率测试及结果补偿
引用本文:李吉,李书芳,邢曙光,邓力,朱林. 使用GTEM室做辐射总功率测试及结果补偿[J]. 北京邮电大学学报, 2010, 33(5): 98-102. DOI: 10.3969/j.issn.1007-5321.2010.05.021
作者姓名:李吉  李书芳  邢曙光  邓力  朱林
作者单位:北京邮电大学,信息与通信工程学院,北京,100876;国家无线电监测中心,北京,100037
基金项目:国家自然科学基金项目(60971069)
摘    要:为进一步扩展吉赫兹横电磁波室(GTEM室)的应用领域,根据GTEM室的特点,提出了一种使用GTEM室进行辐射体辐射总功率(TRP)测试方法. 首先通过GTEM室的测试结果反演出辐射体的等效电偶矩(EDM)和等效磁偶矩(MDM),然后通过|S11|参数进行补偿,最后计算出发射体的TRP测试结果. 实验结果表明,所提的TRP测试方法及其补偿方法测试步骤简单、测试结果准确,在大型社会活动中无线设备的现场测试及小型天线的性能测试上都具有实用价值.

关 键 词:吉赫兹模电磁波室  辐射总功率  |S11|参数
收稿时间:2009-11-01

Research on the TRP Test Using GTEM Cell and the Compensation Method
LI Ji,LI Shu-fang,XING Shu-guang,DENG Li,ZHU Lin. Research on the TRP Test Using GTEM Cell and the Compensation Method[J]. Journal of Beijing University of Posts and Telecommunications, 2010, 33(5): 98-102. DOI: 10.3969/j.issn.1007-5321.2010.05.021
Authors:LI Ji  LI Shu-fang  XING Shu-guang  DENG Li  ZHU Lin
Affiliation:LI Ji1,LI Shu-fang1,XING Shu-guang1,DENG Li1,ZHU Lin2 ( 1. School of Information , Communication Engineering,Beijing Univesity of Posts , Telecommunications,Beijing 100876,China,2. State Radio Spectrum Monitoring Centre,Beijing 100037,China)
Abstract:In order to further expand the application field of GTEM cell, a method of testing a total radiation power (TRP) in GTEM cell is proposed according to the characteristics of GTEM cell. The equivalent electric dipole moment (EDM) and magnetic dipole moment (MDM) are inverted through the testing in GTEM cell, the results by |S11| parameter are compensated, and the EUT’s TRP testing results are calculated. Experiments show that this method for new TRP testing and its compensation are simple and accurate, it has a practical value in wireless devices testing in some major social activities and small antenna’s performance testing.
Keywords:Gigahertz transverse electromagnetic cell  total radiated power  | S11 | parameter  
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