ITRF中GNSS/SLR并址站归心基线的“一步解”

提出将SLR望远镜的参考点和两轴偏差作为未知参数，在ITRF中联合并址站归心测量中GNSS基线网和地面网观测量（水平方向、垂直角和边长），建立SLR站观测设备的参考点与观测标志、观测标志之间、参考点和两轴偏差与其他未知参数之间的多种约束条件来求解归心基线的“一步解”。利用“一步解”解算出“陆态网络”中北京、昆明和西安3个GNSS/SLR并址站在ITRF2014中的归心基线及其协方差阵。结果显示：归心基线的中误差优于2 mm，与已有分步解相比，差值不超过2 mm；水平轴和垂直轴之间的偏差分别为3.8、0.7和3.6 mm，中误差分别为1.3、1.2和1.3 mm。...

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Published in:Ce hui xue bao 2018-01, Vol.47 (1), p.64
Main Author: 马下平
Format: Article
Language:chi ; eng
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Axes (reference lines)
Covariance matrix
Mathematical analysis
Offsets
Satellite observation
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description 提出将SLR望远镜的参考点和两轴偏差作为未知参数，在ITRF中联合并址站归心测量中GNSS基线网和地面网观测量（水平方向、垂直角和边长），建立SLR站观测设备的参考点与观测标志、观测标志之间、参考点和两轴偏差与其他未知参数之间的多种约束条件来求解归心基线的“一步解”。利用“一步解”解算出“陆态网络”中北京、昆明和西安3个GNSS/SLR并址站在ITRF2014中的归心基线及其协方差阵。结果显示：归心基线的中误差优于2 mm，与已有分步解相比，差值不超过2 mm；水平轴和垂直轴之间的偏差分别为3.8、0.7和3.6 mm，中误差分别为1.3、1.2和1.3 mm。
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subjects Axes (reference lines)
Covariance matrix
Mathematical analysis
Offsets
Satellite observation
title ITRF中GNSS/SLR并址站归心基线的“一步解”
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