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Continuous time transfer using GPS carrier phase

机译:使用GPS载波相位进行连续时间传输

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摘要

The Astronomical Institute of the University of Berne is hosting one of the Analysis Centers (AC) of the International GPS Service (IGS). A network of a few GPS stations in Europe and North America is routinely analyzed for time transfer purposes, using the carrier phase observations. This work is done in the framework of a joint project with the Swiss Federal Office of Metrology and Accreditation (METAS). The daily solutions are computed independently. The resulting time transfer series show jumps of up to 1 ns at the day boundaries. A method to concatenate the daily time transfer solutions to a continuous series was developed. A continuous time series is available for a time span of more than 4 mo. The results were compared with the time transfer results from other techniques such as two-way satellite time and frequency transfer. This concatenation improves the results obtained in a daily computing scheme because a continuous time series better reflects the characteristics of continuously working clocks.
机译:伯尔尼大学天文研究所正在接待国际GPS服务(IGS)的分析中心(AC)之一。为了进行时间转移,使用载波相位观测对欧洲和北美的一些GPS站网络进行常规分析。这项工作是在与瑞士联邦计量与鉴定局(METAS)的联合项目的框架内完成的。每日解决方案是独立计算的。所得的时间传递序列在日边界处显示最高1 ns的跳跃。开发了一种将每日时间转移解决方案连接为连续序列的方法。连续时间序列可用于4个月以上的时间范围。将结果与其他技术(如双向卫星时间和频率传输)的时间传输结果进行了比较。因为连续的时间序列更好地反映了连续工作的时钟的特性,所以这种级联改善了在日常计算方案中获得的结果。

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