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The application of the model of coordinate S-transformation for stability analysis of datum points in high-precision GPS deformation monitoring networks
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Jiming Guo
,
Mingduan Zhou
Published/Copyright:
November 21, 2012
Abstract.
Based on the model of coordinate S-transformation, a novel method of stability analysis of datum points in high-precision GPS deformation monitoring networks is proposed. The model of coordinate S-transformation is used to calculate seven transformation parameters in adjacent two measurement stages, in order to confirm the stability of stations by coordinate differences. To judge the stability of stations, in comparison to the traditional method by a fixed the same datum point, the “threshold approach” and “statistical test approach” have been developed and applied to evaluate the stability of datum points of a first-order GPS deformation monitoring network of a hydropower station located in the West Region of China.
Keywords: Stability analysis of stations; model of coordinate S-transformation; threshold approach; statistical test approach; GPS deformation monitoring networks
Received: 2012-04-30
Accepted: 2012-10-19
Published Online: 2012-11-21
Published in Print: 2012-11-01
© 2012 by Walter de Gruyter Berlin Boston
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