| 伽利略系统GSTB-V1的时间尺度算法与实现 |
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| 引用本文： | 郑子扬,王庆.伽利略系统GSTB-V1的时间尺度算法与实现[J].舰船电子工程,2008,28(10). |
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| 作者姓名： | 郑子扬 王庆 |
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| 作者单位： | 东南大学仪器科学与工程学院,南京,210096 |
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| 基金项目： | 伽利略系统欧亚教育与应用开发项目 |
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| 摘 要： | 欧洲伽利略导航卫星系统已经进入基础设施建设阶段,实现一个独立、精准和稳定的伽利略系统时间尺度成为了关键.基于原子钟模型,首先介绍了ALGOS和Kalman时间尺度算法,利用伽利略实验平台V1的实测数据,计算出了基于上述两种算法的伽利略系统时间尺度.实验结果表明,两种时间尺度的短期和长期频率稳定度均优于钟组中任一原子钟.
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| 关 键 词： | 伽利略系统 时间尺度 守时 原子钟 |
Time Scale Algorithm and Its Implementation for Galileo System GSTB-V1 |
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| Zheng Ziyang,Wang Qing.Time Scale Algorithm and Its Implementation for Galileo System GSTB-V1[J].Ship Electronic Engineering,2008,28(10). |
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| Authors: | Zheng Ziyang Wang Qing |
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| Institution: | Zheng Ziyang Wang Qing(School of Instrument Science , Engineering,Southeast University,Nanjing 210096) |
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| Abstract: | The European Galileo navigation satellite system has been in the construction phase of foundation.It is important to implement an independent,precise and stable Galileo system time scale.Based on the model of atomic clocks,time scale algorithms of ALGOS and Kalman are introduced at first.Taking the use of experiment data in Galileo test bed V1,two Galileo system time scales based on the two methods are calculated.The result of experiment shows that the short-term and long-term frequency stabilities of the t... |
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| Keywords: | Galileo system time scale time keeping atomic clock |
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