| "时间窗"对天线时域平面近场测试结果的影响 |
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| 引用本文： | 薛正辉,楼世平,杨仕明,王楠,刘瑞祥."时间窗"对天线时域平面近场测试结果的影响[J].电波科学学报,2007,22(1):158-165. |
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| 作者姓名： | 薛正辉 楼世平 杨仕明 王楠 刘瑞祥 |
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| 作者单位： | 北京理工大学信息科学技术学院电磁兼容与微波系统实验室,北京,100081 |
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| 摘 要： | 天线时域近场测试技术是一种新兴的、测试宽带场和工作在窄脉冲激励下天线辐射场的高效的测试技术.因为它可以利用"时间窗"技术进行信号处理,使其相对频域测试具有独特的优势.本文在已建立的天线时域近场测试系统的基础上,从实验的角度,对"时间窗"参数在天线时域平面近场测试中的影响进行验证分析.举例了三个波段标准天线方向图的测试分析结果,并得出初步结论.
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| 关 键 词： | 天线测试 时域近场 时间窗 |
| 文章编号： | 1005-0388（2007）01-0158-08 |
| 收稿时间： | 2005-08-08 |
| 修稿时间： | 2005年8月8日 |
Effect of time-gate on antenna planar near-field measurement in time domain |
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| XUE Zheng-hui,LOU Shi-ping,YANG Shi-ming,WANG nan,LIU Rui-xiang.Effect of time-gate on antenna planar near-field measurement in time domain[J].Chinese Journal of Radio Science,2007,22(1):158-165. |
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| Authors: | XUE Zheng-hui LOU Shi-ping YANG Shi-ming WANG nan LIU Rui-xiang |
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| Affiliation: | EMC and Microwave System Lab, School of Information Science Technology, BIT, Beijing 100081, China |
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| Abstract: | The technology of antenna near-field measurement in time domain can measure the broad-band fields and radiation fields of antenna excited by short-duration time pulse. Compared with frequency-domain measurement technology, one of its unique characteristic is the application of time-gate technique for signal processing. On basis of the time-domain experimental system built, the effect of time-gate on antenna planar near-field measurement in time domain is analyzed. The measured results of antenna patterns at three frequecy bands and analysis conclusions are presented in this paper. |
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| Keywords: | antenna measurement time-domain near-field time gate |
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