RESEARCH AND ACCURACY ANALYSIS ON REAL TIME KINEMATIC POSITIONING MODEL
Wang Hu 1) ;Wang Jiexian 1,2) ;Bai Guixia 2,3) ; and Li Haojun 1)
1)Department of Surveying and Geo-informatics,Tongji University,Shanghai 2000922)Key Lab. of Modern Engineering Surveying, State Bureau of Surveying and Mapping, Shanghai 2000923)Surveying Bureau of Shanxi Provence,Xi’an 710054
Abstract：Three estimation models of ambiguity in the realtime kinematic positioning are discussed, and a new estimation model of ambiguity is proposed. The parameters of positioning and ambiguities can be separated by using the matrix transform. Only, normal equation of ambiguity is added.On the basis of the characteristics of cycle skip and satellites change, the corresponding method is put forward, it deduces the times of initialization.
