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BDS在轨卫星钟性能评估与对比

Pingli LI,Feng MAN,Shuai XIONG

MODERN NAVIGATION（2020）

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Abstract
从卫星钟基本特性、频率稳定度、钟差预报精度等方面对BDS三种类型卫星钟(RAFS-1、RAFS-2、PHM)进行综合对比分析,结果表明:PHM卫星钟性能指标显著优于RAFS;RAFS-2卫星钟性能指标显著优于RAFS-1,频率稳定度指标和钟差预报精度提升了1倍左右,且RAFS-2卫星钟增加了相位连接功能,保证了在轨卫星钟在调整过程中不会影响时间频率服务.
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