| 应用矢量网络分析仪测定变频器的群时延特性 |
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| 引用本文： | 张慧君,陈淑芳.应用矢量网络分析仪测定变频器的群时延特性[J].时间频率学报,2005,28(1):54-60. |
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| 作者姓名： | 张慧君 陈淑芳 |
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| 作者单位： | 中国科学院国家授时中心,陕西,临潼,710600 |
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| 摘 要： | 群时延是系统和网络的一项重要传输特性,它表征系统和网络的线性失真。讨论了采用高性能PNA系列矢量网络分析仪测量变频器群时延的方法,并结合实例对实现测试的关键点和技巧进行了阐述,最后给出测试结果及不确定度的分析。
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| 关 键 词： | 群时延 矢量网络分析仪 变频器 测量 |
| 文章编号： | 1001-1544（2005）01-0054-07 |
| 收稿时间： | 2004-12-07 |
| 修稿时间： | 2005-03-16 |
Determing Converter's Group Delay Characteristic by Vector Network Analyzer |
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| ZHANG Hui-Jun,CHEN Shu-Fang.Determing Converter''''s Group Delay Characteristic by Vector Network Analyzer[J].Journal of Time and Frequency,2005,28(1):54-60. |
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| Authors: | ZHANG Hui-Jun CHEN Shu-Fang |
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| Institution: | National Time Service Center, Chinese Academy of Sciences, Lintong, Shaanxi 710600, China |
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| Abstract: | The group delay,which characterizes the linear distortion of the system and network,is an important transmission characteristic.The method of measuring the converter's group delay by the high-performance PNA vector network analyzer is discussed.The key points and skills to realize the measurement are expounded combining with specific examples.Finally,the measurement results and uncertainty are analyzed. |
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| Keywords: | group delay vector network analyzer converter measurement |
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