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《Acta Geodaetica Et Cartographic Sinica》 2002-04
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An Ambiguity Searching Method for Network RTK Baselines between Base Stations at Single Epoch

GAO Xing wei 1,LIU Jing nan 2,GE Mao rong 2 (1. Chinese Academy of Surveying and Mapping,Beijing 100039,China; 2. GPS Center,Wuhan University,Wuhan 430079,China)  
An ambiguity searching method for Network RTK beselines between base stations at single epoch is proposed in this paper. The mathematic models, resolution process and results analyses are given in detail. The main idea of this method is composed by using carrier phase data of dual frequencies but not solving the corresponding observational equations, and using the linear relation between dual frequencies ambiguities and the known coordinates of base stations directly to search the double difference integer ambiguities by only one epoch. The main advantages of this method are fast, simple and useful, and this method avoids the effect of cycle slips, it only needs one epoch data to resolve the double difference integer ambiguities.
【CateGory Index】: P228.4
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