摘要
PPP(precise point positioning)时间比对技术作为一种高精度时间比对手段已被众多时间实验室所采用。为了提供在线实时GPS PPP高精度时间比对服务,满足时间用户的不同需求,并为北斗PPP时间比对技术提供参考,开展了在线PPP时间比对技术的研究,并开发在线PPP时间比对系统。试验结果表明,在线PPP时间比对技术能够快速方便地进行两实验室之间的远程时间比对,且比对精度达到亚纳秒量级。
As a high precision time transfer method, PPP(precise point positioning) time transfer technology is used by many time labs. For providing real-time online GPS PPP high precision time transfer service, meeting the different needs of the users and providing a reference for Bei Dou PPP time transfer, the online PPP time transfer method is studied and an online PPP time transfer system is developed. The test shows that the long-distance time transfer can be made by using the online PPP time transfer method and the precision attains subnanosecond level.
出处
《时间频率学报》
CSCD
2015年第4期216-226,共11页
Journal of Time and Frequency
基金
国家自然科学基金资助项目(11303032)
