| GPS高精度时间／频率同步设备设计和实现 |
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| 引用本文： | 郭振坤.GPS高精度时间／频率同步设备设计和实现[J].全球定位系统,2009,34(2):31-35. |
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| 作者姓名： | 郭振坤 |
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| 作者单位： | 中国电子科技集团公司第27研究所,河南,郑州,450015 |
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| 摘 要： | 研究分析了GPS接收机的定时特性，以及高精度时间／频率同步设备对GPS定时信号丢失后的指标要求，提出了GPS定时信号的滑动平均滤波算法和信号丢失后的保持算法，取得了频率稳定度优于1×10^-11／天和无时间漂移误差的成果，初步实现铯原子频标的性能，满足时间同步精度和频率稳定度的需求。
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| 关 键 词： | GPS时钟 VCXO 时间同步 频率基准 |
Design and Implication for High Accuracy GPS Time and Frequency Synchronization System |
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| GUO Zhen-kun.Design and Implication for High Accuracy GPS Time and Frequency Synchronization System[J].Gnss World of China,2009,34(2):31-35. |
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| Authors: | GUO Zhen-kun |
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| Institution: | The 27th Research Institute of China Electronics Technology Group;Zhengzhou 450015 China |
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| Abstract: | Through researching the time characteristic of GPS receiver and analyzing the time requirement after losing GPS signal of a high accuracy time and frequency synchronization requirement, a slip average filter arithmetic and a holding arithmetic are proposed. The test result shows that the frequency stability approx. 1 × 10^-11/day and the no time offset error, which implement the characteristics of a cesium clock initially, and meet the synchronization accuracy and frequency stability specification of a system. |
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| Keywords: | VCXO |
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