| 卫星导航设备时延精密标定方法与测试技术研究 |
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| 引用本文： | 魏海涛,蔚保国,李刚,原亮. 卫星导航设备时延精密标定方法与测试技术研究[J]. 中国科学:物理学 力学 天文学, 2010, 0(5): 623-627 |
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| 作者姓名： | 魏海涛 蔚保国 李刚 原亮 |
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| 作者单位： | 河北省卫星导航技术与装备工程技术研究中心;中国电子科技集团第五十四研究所;北京环球信息应用开发中心; |
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| 基金项目： | 国家高技术研究发展计划资助项目(编号:2009AA12Z328) |
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| 摘 要： | 分析和研究了卫星导航设备时延标定的方法,并针对卫星导航设备时延的特点,提出卫星导航设备时延应用统计量和稳定性来表征,并提出了基于射频采样和软件无线电的精密设备时延测量方法（RFSR）,能够准确地分析设备时延和设备时延的稳定性,通过仿真分析验证了方法正确性;通过建立试验验证系统,对可编程延迟线、电缆等设备的模拟测量,验证了该方法的正确性和优越性.
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| 关 键 词： | 卫星导航 设备时延 射频采样 软件无线电 |
The accurate method for the equipment time-delay and research on testing technology in satellite navigation system |
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| WEI HaiTao,,YU BaoGuo,,LI Gang, & YUAN Liang Hebei Satellite Navigation Technology , Equipment Engineer Technology Center,Shijiazhuang ,China, China Electronics Technology Group Corporation No. TH Research Institute, Beijing Global Information Application , Development Center,Beijing. The accurate method for the equipment time-delay and research on testing technology in satellite navigation system[J]. SCIENCE CHINA Physics, Mechanics & Astronomy, 2010, 0(5): 623-627 |
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| Authors: | WEI HaiTao YU BaoGuo LI Gang & YUAN Liang Hebei Satellite Navigation Technology Equipment Engineer Technology Center Shijiazhuang China China Electronics Technology Group Corporation No. TH Research Institute Beijing Global Information Application Development Center Beijing |
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| Affiliation: | WEI HaiTao1,2*,YU BaoGuo1,2,LI Gang1,2 & YUAN Liang3 1 Hebei Satellite Navigation Technology , Equipment Engineer Technology Center,Shijiazhuang 050081,China,2 China Electronics Technology Group Corporation No. 54TH Research Institute,3 Beijing Global Information Application , Development Center,Beijing 100094 |
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| Abstract: | The method for the Equipment Time-Delay (ETD) are analyzed and researched, then it is presented that the equipment time-delay should be a statistic with stability, so a ETD measurement method based on RF sampling and Software Radio (RFSR) is established, that can correctly get the ETD and the stability of ETD. This framework is valid and batter than ever by simulating, and measuring cables and Programmable Delay Line (PLA) in a testbed. |
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| Keywords: | satellite navigation equipment time-delay RF sampling software radio |
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