Journal of Jilin University(Earth Science Edition)

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Data Processing of Deformation Monitoring Based on Least Square Filtering

Li Weidong1, Lin Nan1,2, Liu Deli1, Sun Xiaolei1   

  1. 1.College of Surveying and Prospecting Engineering, Jilin Architecture University, Changchun130118,China；
    2.College of GeoExploration Science and Technology, Jilin University, Changchun130026,China
  • Received:2014-04-18 Online:2014-11-26 Published:2014-11-26

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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.

Key words: least square, filtering, deformation monitoring, coordinate value

CLC Number: 

  • P642.3
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