Bulletin of Surveying and Mapping ›› 2023, Vol. 0 ›› Issue (8): 72-77.doi: 10.13474/j.cnki.11-2246.2023.0235

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Design and implementation for BDS-based high-precision displacement monitoring inovation experimental platform

ZHOU Mingduan1, XU Xiang1, YANG Tianran2, JI Xu1, LI Pingping3   

  1. 1. School of Geomatics and Urban Spatial Informatics, Beijing University of Civil Engineering and Architecture, Beijing 102616, China;
    2. Public Security Bureau of Funing County, Wenshan Prefecture, Yunnan Province, Wenshan 663400;
    3. Fujian Jin Chuang Li Information Technology Development Co., Ltd., Fuzhou 350000, China
  • Received:2023-01-06 Published:2023-09-01

Abstract: In view of the disadvantages of the traditional displacement monitoring experimental mode, the BDS-based high-precision displacement monitoring innovation experimental is designed.Firstly, the mathematics model of BDS single epoch positioning is built, and the flowchart of fast integer ambiguity resolution applicable to the main and auxiliary correlation method(MAXCOM) of BDS multi-frequency signals is given.And then, the BDS-based high-precision displacement monitoring innovation experimental platform(LSMS) is developed based on Visual Studio 2019 development platform using C# programming language. The experimental testing and analysis results show that the BDS-based displacement monitoring accuracy of LSMS experimental platform can reach cm-level, and the monitoring accuracy is better than 0.9 cm in the north-direction, 1.2 cm in the east-direction, 3.0 cm in the vertical-direction, 1.5 cm in horizontal-direction and 3.3 cm in point-positioning for the observation epochs. The proposed method and experimental platform in this paper is feasible and effective applied for BDS-based high-precision displacement monitoring innovation experimental.

Key words: BeiDou Satellite Navigation System, single epoch positioning mathematics model, displacement monitoring experimental, innovation experimental platform, deformation body

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