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《Journal of Geodesy and Geodynamics》 2009-01
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ALGORITHM FOR GENERATION OF GPS VIRTUAL PHASE OBSERVATION BASED ON VRS

Zhu Chao1,2),Gao Chengfa1),Zhao Yi2,3) and Peng Hui1)1) Transportation College of Southeast University,Nanjing2100962) School of Instrument Science and Engineering,Nanjing2100963) European-Asian Educational & Application Development Center(SEU China) of Galileo,Nanjing210096  
The key technique of network differential positioning based on virtual reference station,the algorithm the generation of virtual phase observation and differential corrections was proposed.At the same time,in order to evaluate the feasibility and location precision of the proposed technique,field tests were caried out based on the measured data of a continuous operating reference station network and by use of self-developed positioning software SeuVRS1.0.The results of test which conducted using regional networks demonstrate that distance-dependent errors can be effectively modeled between reference stations.Within the network,real time kinematic positioning based on virtual reference station can be achieved,with better than 4 cm accuracy in horizontal position.
【Fund】: “十一五”国家科技支撑计划重点项目(2008BAJ11B01;2008BAJ11B01;2008BAJ11B05)
【CateGory Index】: P228.4
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