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《Science of Surveying and Mapping》 2013-03
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Ambiguity validation with Ratio test based on reliability index

DENG Jian ①②,PAN Shu-guo ②,ZHAO Xing-wang ②(①Department of Spatial Information Science,Xiamen University of Technology,Xiamen 361024,China;②School of Instrument Science and Engineering,Southeast University,Nanjing 210096,China)  
Ambiguity validation is very important to positioning precision of satellite navigation.According to the difficulty in choosing the c value in Ratio test for ambiguity validation,a method was proposed in the paper.Firstly,the probability characteristic of Ratio test was analyzed based on the theory of success rate;and then the functional relationship between the fixed failure rate and c value was deduced so as to determine the c value and ensure the ambiguity validation.Experiment showed that this method could solve the key problem of Ratio test and have some applicable value.
【Fund】: 国家自然科学基金(41074021;41204032)
【CateGory Index】: P228.4
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