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《Journal of Geodesy and Geodynamics》 2009-01
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Xu Changhui1,2),Wang Jian1,2),Gao Jingxiang2) and An Wei3)1)Key Laboratory of Resources and Environmental Information Engineering of Jiangsu Province,Xuzhou2211162)College of Environment and Spatial Informatics,China University of Mining and Technology,Xuzhou2211163)Gongnong Office of Nantun Coal Mining,Yanzhou Coal Mining Company Linited,Yanzhou273515  
To evaluate the reliability of GNSS navigation platform data processing,their internal and external reliability indices are discussed,and the simulation with Monte Carlo method is used to assess the reliability of dilution of precision.The results show that the dilution of precision,internal-reliability and external-reliability are not high in the individual GPS and GLONASS,but they are obviously improved in the combination of the two systems,even the reliability of elevation is not good enough yet.When Galileo's is introduced,the geometry,the horizontal dilution of precision(HDOP) and its reliability are improved,as well as,the vertical dilution of precision(VDOP) and its reliability are greatly improved.
【Fund】: 国家自然科学基金(40774010);; 江苏省测绘科研项目(JSCHKY200806)
【CateGory Index】: P228.4
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