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Fully automated VLBI analysis with c5++ for ultra-rapid determination of UT1

机译：使用c5 ++进行的全自动VLBI分析可快速确定UT1

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VLBI is the only space-geodetic technique which gives direct access to the Earth's phase of rotation, i.e. universal time UT1. Beside multi-baseline sessions, regular single baseline VLBI experiments are scheduled in order to provide estimates of UT1 for the international space community. Although the turn-around time of such sessions is usually much shorter and results are available within one day after the data were recorded, lower latency of UT1 results is still requested. Based on the experience gained over the last two years, an automated analysis procedure was established. The main goal was to realize fully unattended operation and robust estimation of UT1. Our new analysis software, named c5++, is capable of interfacing directly with the correlator output, carries out all processing stages without human interaction and provides the results for the scientific community or dedicated space applications. Moreover, the concept of ultra-rapid VLBI sessions can be extended to include further well-distributed stations, in order to obtain the polar motion parameters with the same latency and provide an up-to-date complete set of Earth orientation parameters for navigation of space and satellite missions.
机译：VLBI是唯一可以直接进入地球自转相位（即世界时间UT1）的太空大地测量技术。除了多基线会议外，还安排了定期的单基线VLBI实验，以便为国际空间界提供UT1的估算值。尽管此类会话的周转时间通常要短得多，并且在记录数据后的一天之内就可以得到结果，但仍要求UT1结果的等待时间较短。根据最近两年的经验，建立了自动分析程序。主要目标是实现UT1的完全无人值守操作和可靠的估计。我们的新分析软件名为c5 ++，能够直接与相关器输出接口，无需人工干预即可执行所有处理阶段，并为科学界或专用太空应用提供结果。此外，可以将超快速VLBI会话的概念扩展为包括其他分布良好的站点，以便获得具有相同等待时间的极运动参数，并提供最新完整的地球方向参数集以用于导航太空和卫星任务。

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