| GSCORS不稳定站坐标时间序列分析 |
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| 引用本文： | 达朝宗.GSCORS不稳定站坐标时间序列分析[J].北京测绘,2021,35(1):89-94. |
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| 作者姓名： | 达朝宗 |
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| 作者单位： | 甘肃省测绘工程院,甘肃兰州730000;甘肃省应急测绘研究中心,甘肃兰州730000 |
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| 摘 要： | 本文对114个GSCORS坐标时间序列予以分析,发现93％以上的GSCORS位置稳定,序列变化平稳.个别基准站位置不稳定,造成基准站不稳定的因素多种多样,其中基准站周边地质松软、地基不稳为主要因素,导致测站大幅沉降、倾斜.科学、精准地分析不稳定基准坐标时间序列对维护省级参考框架的稳定具有重要指导作用.
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| 关 键 词： | 基准站 坐标时间序列 不稳定 倾斜 |
The Unstable Stations Coordinate Time Series Analysis of GSCORS |
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| DA Chaozong.The Unstable Stations Coordinate Time Series Analysis of GSCORS[J].Beijing Surveying and Mapping,2021,35(1):89-94. |
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| Authors: | DA Chaozong |
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| Institution: | (Surveying and Mapping Engineering Institute of Gansu,Lanzhou Gansu 730000,China;Emergency Surveying and Mapping Research Center of Gansu,Lanzhou Gansu 730000,China) |
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| Abstract: | This paper analyzed the coordinate time series of 114 GSCORS reference stations,and finded that more than 93%of the reference station positions were stable and the sequence changes smoothly.However,the position of individual reference stations is unstable,and the causes are various.Among them,the soft geology and unstable foundation around the reference station are the main factors,which causes the station to largely settle and tilt.It was proved that the scientific and accurate analysis of the unstable reference coordinate time series played an important role in maintaining the stability of the provincial reference frame. |
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| Keywords: | reference station coordinate time series unstable slant |
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