| 混响室内基于统计特性的屏蔽效能测试 |
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| 引用本文： | 曲兆明,王庆国,程二威.混响室内基于统计特性的屏蔽效能测试[J].高电压技术,2009,35(12):3037-3041. |
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| 作者姓名： | 曲兆明 王庆国 程二威 |
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| 作者单位： | 军械工程学院静电与电磁防护研究所,石家庄,050003 |
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| 基金项目： | 国家自然科学基金(60671045)~~ |
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| 摘 要： | 针对传统屏蔽效能定义的测试方法存在的不足,提出了混响室条件下基于统计特性的屏蔽效能测试方法,并从理论上阐述了其优越性。应用仿真软件FEKO对屏蔽体电场强度数据采集方式进行了仿真计算,结果表明选择中轴线采样能够有效反映屏蔽体的屏蔽特性。开发了基于统计意义和多点数据采集的混响室屏蔽效能测试系统,研究了尺寸为800 mm×700 mm×1000 mm的小屏蔽体在不同缝隙尺寸下的屏蔽效能。同时通过对传统定义和统计定义下屏蔽效能重复性测试,结果表明,混响室内基于统计特性的屏蔽效能测试方法相比传统测试手段具有更好的重复性,更加适于工业应用。
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| 关 键 词： | 混响室 统计特性 屏蔽体 屏蔽效能 FEKO 重复性 |
Test Method of Shielding Effectiveness Based on Statistical Property in Reverberation Chamber |
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| QU Zhao-ming
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WANG Qing-guo
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CHENG Er-wei.Test Method of Shielding Effectiveness Based on Statistical Property in Reverberation Chamber[J].High Voltage Engineering,2009,35(12):3037-3041. |
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| Authors: | QU Zhao-ming WANG Qing-guo CHENG Er-wei |
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| Affiliation: | QU Zhao-ming,WANG Qing-guo,CHENG Er-wei(Institute of Electrostatic & Electromagnetic Protection,Ordnance Engineering College,Shijiazhuang 050003,China) |
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| Abstract: | The test method using traditional definition of shielding effectiveness(SE) was given and its defects were analyzed.The test facility of SE in reverberation chamber based on statistical property was presented and its advantages were theoretically expounded.The simulation software FEKO was applied to calculate the sampling mode of electric field intensity inside the enclosure.The results indicates that sampling at the middle line can reflect the real shielding property of enclosures effectively.A new testing... |
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| Keywords: | reverberation chamber statistical property shielding enclosure shielding effectiveness FEKO repeatability |
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