| 星间时间同步系统及零值标定研究 |
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| 引用本文： | 刘长水,盛利元,杨俊.星间时间同步系统及零值标定研究[J].宇航计测技术,2011(4):48-51. |
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| 作者姓名： | 刘长水 盛利元 杨俊 |
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| 作者单位： | 中南大学物理科学与技术学院;国防科技大学机电工程与自动化学院; |
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| 摘 要： | 空间卫星的相对距离和钟面时差的准确测量，是实现多星之间时间同步，完成特定任务的重要基础。在介绍空间星间测试验证系统与双向单程距离和时差测量的基础上，提出一种闭环自测的零值标定方法。经理论分析和测试验证表明，所测数据稳定可靠，能够满足实际测量的要求。
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| 关 键 词： | 卫星测距 时间测量 零值标定 闭环测试 |
The Inter-satellite Clock Synchronization System and its Delay Calibration method |
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| LIU Chang-shui SHENG Li-yuan YANG Jun.The Inter-satellite Clock Synchronization System and its Delay Calibration method[J].Journal of Astronautic Metrology and Measurement,2011(4):48-51. |
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| Authors: | LIU Chang-shui SHENG Li-yuan YANG Jun |
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| Institution: | LIU Chang-shui1 SHENG Li-yuan1 YANG Jun2(1.School of Physics Science and Technology,Central South University,Changsha 410083,2.College of Mechatronics Engineering and Automation,National University of Defense Technology,Changsha 410073) |
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| Abstract: | The accurate measurement of the relative distance and the time difference between satellites is the most important basis for achieving time synchronization among the satellites and completing specific task.On the basis of introducing the test system and the principle of the dual one-way distance measurement and the time difference measurement between satellites,a method for zero calibration in the system,that is,the closed loop tests itself is presented.The theoretical analysis and test indicated that the d... |
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| Keywords: | Satellite ranging Time measurement Zero calibration Closed loop test |
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