| 用于变形监测的最小二乘滤波数据处理 |
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| 引用本文： | 李伟东,林楠,刘德利,孙晓磊.用于变形监测的最小二乘滤波数据处理[J].吉林大学学报(地球科学版),2014,44(6):2068-2072. |
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| 作者姓名： | 李伟东 林楠 刘德利 孙晓磊 |
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| 作者单位： | 1.吉林建筑大学测绘与勘查工程学院，长春130118；
2.吉林大学地球探测科学与技术学院，长春130026 |
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| 基金项目： | 吉林省科技发展计划项目，国家自然科学基金项目 |
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| 摘 要： | 随着全站仪在测量工作中的广泛使用，以坐标为观测值的数据处理成为内业工作的主要内容。根据最小二乘滤波原理，将工程岩土体变形监测中所获得的坐标观测值及其他常规观测值进行联合平差。结果表明，滤波后变形点的点位精度最大可提高1.35 mm，最弱点亦提高0.94 mm，均明显高于直接观测结果，而且各类观测值之间所形成的约束条件进一步增强了平差结果的可靠性。
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| 关 键 词： | 最小二乘 滤波 变形监测 坐标观测值 |
| 收稿时间： | 2014-04-18 |
Data Processing of Deformation Monitoring Based on Least Square Filtering |
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| Li Weidong,Lin Nan,Liu Deli,Sun Xiaolei.Data Processing of Deformation Monitoring Based on Least Square Filtering[J].Journal of Jilin Unviersity:Earth Science Edition,2014,44(6):2068-2072. |
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| Authors: | Li Weidong Lin Nan Liu Deli Sun Xiaolei |
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| Institution: | 1.College of Surveying and Prospecting Engineering, Jilin Architecture University, Changchun130118,China；
2.College of GeoExploration Science and Technology, Jilin University, Changchun130026,China |
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| Abstract: | Total station is widely used in various measurements coordinates as the observation values play an important role in the data processiong. The authors adjusted the coordinate observation values combined with other conventional observations deformation data using the least square filter. The results indicated that the precision was obviously improved with the 1.35 mm decrease of maximum point error and 0.94 mm decrease of the weakest point error, and the constraints of different observation also increased the reliability of the least square filter adjustment. |
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| Keywords: | least square filtering deformation monitoring coordinate value |
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