| 用相位计测量群时延的方法和技巧 |
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| 引用本文： | 尹仲琪,潘柳,沈世科.用相位计测量群时延的方法和技巧[J].宇航计测技术,2009,29(1):4-6. |
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| 作者姓名： | 尹仲琪 潘柳 沈世科 |
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| 作者单位： | 中国西南电子技术研究所计量检测中心,四川,成都,610036 |
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| 基金项目： | 本文得到了李德儒研究员的悉心指导和帮助,在此表示感谢. |
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| 摘 要： | 介绍用相位计测量群时延的方法和技巧。通过分析和实验,给出了两种便于操作的测量方法,特别是利用第二种方法的测试技巧,把对时延的测量转换为对频率的测量,提高了测量准确度,使测量过程简便可行。
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| 关 键 词： | 群时延 相位计 频率 测试方法 |
Methods and Techniques of Group Delay Measurement with Phase Meter |
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| YIN Zhong-qi,PAN Liu,SHEN Shi-ke.Methods and Techniques of Group Delay Measurement with Phase Meter[J].Journal of Astronautic Metrology and Measurement,2009,29(1):4-6. |
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| Authors: | YIN Zhong-qi PAN Liu SHEN Shi-ke |
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| Institution: | (Calibration＆Testing center, Southwest China Institute of Electronic Technology, Sichuan Chengdu 610036) |
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| Abstract: | Introduced group delay measurement methods and techniques with phase meter. With analysis and experiment,two measnrement methods convenient for operation are proposed. Especially in the second method, delay measurement is converted into frequency measurement to improve measurement accuracy and make the process simple and feasible. |
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| Keywords: | Group delay Phase meter Frequency Measurement method |
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