Application of the method of robust estimation by posterior variance in detecting the raw error of geodetic control network

  • Affiliations:

    Hanoi University of Mining and Geology, Hanoi, Vietnam

  • *Corresponding:
    phamQuoc This email address is being protected from spambots. You need JavaScript enabled to view it.
  • Received: 19th-Nov-2020
  • Revised: 17th-Mar-2021
  • Accepted: 9th-Apr-2021
  • Online: 30th-Apr-2021
Pages: 57 - 64
Views: 2014
Downloads: 1099
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Abstract:

If the raw error appears in set of measuring data, it affects significantly on adjustment results and displacement values of monitoring points, thus conclusion about displacement of works is incorrect. The method of robust estimation by posterior variance for detecting the raw error bases on principle of choosing weight of robust estimation, this is the other type that belong to the least square statistical estimation, which is used to process the measuring data with raw error when they were given into random model of the adjustment problem. Through processing data of Son La hydroelectricity construction network, the obtained result proved that the method good efficiency, it not only finds the measuring value that contains the raw error, but also determines the value of the raw error nearly accurately, moreover, it is able to detect many raw error in the set of data.

How to Cite
Pham, K.Quoc and Nguyen, T.Kim Thi 2021. Application of the method of robust estimation by posterior variance in detecting the raw error of geodetic control network (in Vietnamese). Journal of Mining and Earth Sciences. 62, 2 (Apr, 2021), 57-64. DOI:https://doi.org/10.46326/JMES.2021.62(2).06.
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