A NEW METHOD FOR IMPROVING RTK MEASUREMENT ACCURACY
Zhang Xianni 1) ; and Wang Lei 2,3)
1)Department of Resource Environment and Tourism, Chizhou College, Chizhou 2470002)School of Environmental Science and Spatial Informatics, China University of Mining and Technology, Xuzhou\ 2210083)Key Laboratory for Land Environment and Disaster Monitoring of SBSM,Xuzhou 221008
Abstract On the basis of the analysis of impect factors of surveying accuracy of RTK, focusing on analyzing measurement error caused by human factor i.e. centering rod tilt, a new method which is by surveying spherical coordinates and fitting sphere centre coordinates to calculate measured point coordinates is put forward.Through examples, compared with GPS static observation, the error of RTK method is of less than cm level. This not only proves that RTK fitting sphere centre can avoid the error caused by centering rod tilt, but also improves RTK plane accuracy to a certain extent.
