A Method of Single Epoch GPS Deformation Surveying to Obtain Large Deformation
School of Geodesy and Geomatics, Wuhan University, 129 Luoyu Road,Wuhan 430079, China
Abstract A method of kinematic deformation surveying by single epoch is described here to obtain the large deformation.At first, we use the wide-lane measurements and the approximate coordinates of monitor sites to resolve the initial wide-lane ambiguities.Based on the correlations between the ambiguities, the ARCE method is used to search the correct wide-lane ambiguities.A rough deformation is obtained.Then, we use the L1 measurement and the method of without cycle slip detection and ambiguity resolution to obtain the residual deformation.The tolerance of position error for a priori coordinates is increased to 70 cm,which is suitable for kinematic deformation surveying.
Key words ：
GPS deformation survey
single epoch
wide-lane measurement
ambiguity
the method of without cycle slip detection and ambiguity resolution
Received: 24 February 2014
Published: 06 February 2015
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