| 卫星驯服时钟系统的新进展 |
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| 引用本文： | 单庆晓,杨俊.卫星驯服时钟系统的新进展[J].测试技术学报,2009,23(5):396-401. |
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| 作者姓名： | 单庆晓 杨俊 |
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| 作者单位： | 国防科技大学机电工程与自动化学院,湖南,长沙,410073 |
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| 摘 要： | 卫星驯服时钟系统由于具有精度高、成本低的特点获得广泛应用.本文对卫星授时系统现状进行了分析;对时钟驯服中相位差测量、秒抖动处理和频率校准各环节的技术现状进行了阐述;建立了采用PI调节器的时钟驯服模型,对其驯服过程进行了分析;对时钟驯服的电路实现方法进行了分类和总结,推荐了一种基于FPGA的实现方法,并对卫星驯服时钟系统未来的发展进行了阐述.
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| 关 键 词： | GPS系统 北斗系统 卫星驯服时钟系统 授时 校频 |
Review of Satellite Disciplined Clock System |
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| SHAN Qingxiao,YANG Jun.Review of Satellite Disciplined Clock System[J].Journal of Test and Measurement Techol,2009,23(5):396-401. |
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| Authors: | SHAN Qingxiao YANG Jun |
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| Affiliation: | SHAN Qingxiao,YANG Jun (College of Mechatronics Engineering , Automation,National University of Defense Technology,Changsha 410073,China) |
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| Abstract: | The satellite disciplined clock system is widely applied due to its high accuracy and low cost.This paper provides a review of the satellite disciplined clock.Phase error measurement,pulse noise and frequency calibration are surveyed in detail.A disciplined clock model based on PI controller is built and the disciplining process is analyzed.Implement method is also surveyed.A prototype based on FPGA is proposed.At last the development trend is discussed. |
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| Keywords: | GPS(global positioning system) beidou system satellite disciplined clock system timing frequency calibration |
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