Compatibility assessment of the reference frames orbital realizations broadcasted by the global navigation satellite systems with the International terrestrial reference frame (ITRF) during 2020–2023

Geodesy and cartography Pub Date : 2024-03-20 DOI:10.22389/0016-7126-2024-1004-2-51-64

I.V. Gusev, A.M. Golubitskiy

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Abstract

The compatibility assessment of the terrestrial reference frames orbital realizations broadcasted by the global navigation satellite systems (GPS, GLONASS, Galileo and BeiDou) with the International terrestrial reference frame ITRF during 2020–2023 was performed. The assessment is based on the analysis of daily Helmert transformation parameters determined in the Information and Analysis Center for Positioning, Navigation and Timing of the Central Research Institute for Machine Building within calculating a posteriori ephemeris and time information for each constellation. Based on the daily Helmert transformation parameters, annual reference frames coincidence parameters RSS7 and Λ and their standard deviations StDRSS7 and StDΛ on the monthly, 10-day and daily averaging intervals were computed, characterizing the stability of terrestrial reference frames orbital realizations. The obtained results show the following level of coincidence between the terrestrial reference frames broadcasted by global navigation satellite systems and ITRF

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2020-2023 年期间全球导航卫星系统广播的参考框架轨道实现与国际地面参考框架（ITRF）的兼容性评估

对全球导航卫星系统（全球定位系统、格罗纳斯、伽利略和北斗）在 2020-2023 年期间广播的地面参照基准轨道实现与国际地面参照基准 ITRF 的兼容性进行了评估。评估基于对机械制造中央研究所定位、导航和定时信息与分析中心在计算每个星座的后验星历和时间信息时确定的每日赫尔默特变换参数的分析。根据每日赫尔默特变换参数，计算了每月、10 天和每日平均间隔的年度参照系重合参数 RSS7 和Λ及其标准偏差 StDRSS7 和 StDΛ，从而确定了地球参照系轨道实现的稳定性。结果表明，全球导航卫星系统广播的地面参照基准与 ITRF 之间的吻合程度如下

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Geodesy and cartography

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