| 变频器的时延测量方法 |
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| 引用本文： | 张金涛,盂海涛.变频器的时延测量方法[J].无线电工程,2011,41(9):41-43. |
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| 作者姓名： | 张金涛 盂海涛 |
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| 作者单位： | 1. 河北省卫星导航技术与装备工程技术研究中心,河北石家庄,050081
2. 中国人民解放军61711部队,新疆喀什,844000 |
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| 基金项目： | 国家高技术研究发展计划(863计划) |
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| 摘 要： | 在无线电高精度测距系统中,对变频器进行准确的时延测量具有很重要的意义。对频率变换器件时延特性的把握无疑决定了测距的精度。阐述了时延的概念以及时延的测量方法,重点分析了基于矢量网络分析仪的2种测量方法。提出分析了一种基于时延测量设备,利用高速示波器进行准确的变频器时延测量方法,分析了该测量方法的性能。实践证明该方法切实可行,可以提高变频器时延测量的准确度。
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| 关 键 词： | 变频器 时延测量 示波器 矢量网路分析仪 |
Methods of Measuring Frequency Converter Delay |
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| ZHANG Jin-tao,MENG Hai-tao.Methods of Measuring Frequency Converter Delay[J].Radio Engineering of China,2011,41(9):41-43. |
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| Authors: | ZHANG Jin-tao MENG Hai-tao |
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| Affiliation: | ZHANG Jin-tao1,MENG Hai-tao2(1.Hebei Satellite Navigation Technology and Equipment Technology Research Center,Shijiazhuang Hebei 050081,China,2.Unit 61711,PLA,Kashi Xinjiang 844000,China) |
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| Abstract: | To improve the precision of radio high-precision ranging system,it is necessary to measure the delay of frequency converter.The paper introduces the concept of delay and several methods of measuring the delay,analyzes in particular the methods based on Vector Network Analyzer（VNA）.Then it proposes and analyzes a method that uses oscilloscope and delay measurement equipment.Practical test shows that this method is reliable and it improves the delay measurement accuracy. |
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| Keywords: | frequency converter delay measurement oscilloscope vector network analyzer |
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