| 超宽带电磁脉冲辐射场测量技术研究 |
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| 引用本文： | 刘小龙,樊亚军,刘国治,汪文秉,易北江,宋晓欣,刘峰.超宽带电磁脉冲辐射场测量技术研究[J].强激光与粒子束,1999,11(6):742-746. |
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| 作者姓名： | 刘小龙 樊亚军 刘国治 汪文秉 易北江 宋晓欣 刘峰 |
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| 作者单位： | 1.西北核技术研究所，西安69信箱13分箱，710024;2. 西安交通大学微波与光通信研究所，710049 |
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| 基金项目： | 国家863激光技术领域基金 |
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| 摘 要： | 介绍了一种用于空间自由电磁脉冲测量的探测器，该探测器为阻抗渐变型TEM喇叭结构。重点介绍了探测器灵敏度的测量方法，测试结果表明，在80MHz~2.2GHz范围内，探测器灵敏度的频响起伏小于20%，相位随频率线性变化，标定误差小于12%。
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| 关 键 词： | 超宽带电磁脉冲 辐射场 测量 灵敏度 标定 |
| 文章编号： | 1001-4322(1999)06-0742-05 |
| 收稿时间： | 1900-01-01; |
| 修稿时间： | 1999年2月28日 |
INVESTIGATION OF ULTRA-WIDEBAND TRANSIENT ELECTROMAGNETIC FIELD MEASUREMENT |
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| LIU Xiao-long, FIAN Ya-jun, LIU Guo-zhi, WANG Wen-bingYI Bei-jiang, SHONG Xiao-xin, LIU feng.INVESTIGATION OF ULTRA-WIDEBAND TRANSIENT ELECTROMAGNETIC FIELD MEASUREMENT[J].High Power Laser and Particle Beams,1999,11(6):742-746. |
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| Authors: | LIU Xiao-long FIAN Ya-jun LIU Guo-zhi WANG Wen-bingYI Bei-jiang SHONG Xiao-xin LIU feng |
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| Abstract: | A detector was developed for measuring ultra-wideband (UWB) transient electromagnetic field in the free-space. It is a small TEM horn antenna with gradually changed impedance. The majorpart of this paper is to describe the method of calibrating the detector's sensitivity. Results show that in therange of 50MHz~2. 2GHz, the detector's sensitivity is with linear phase and a uniform magnitude within20%. The error of calibrating is less than 12%. |
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| Keywords: | ultra-wideband electromagnetic field measurement sensitivity calibration |
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