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卫星星座结构对定位精度的影响研究

Study on the Influence of Satellite ConstellationStructure on Positioning Accuracy
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摘要 北斗卫星导航系统是中国自行研制的全球卫星定位与通信系统(CNSS),是继美全球定位系统(GPS)和俄GLONASS之后第三个成熟的卫星导航系统。研究北斗卫星定位系统和GPS之间的定位精度差异,可以更好地了解中国北斗卫星定位系统的优势与不足,为北斗卫星定位系统的更广泛应用提供参考数据。该研究通过对比北斗卫星定位系统和GPS的星座结构,运用HGO软件对两种定位系统的星座结构进行差异性分析,测算出两种定位系统的精度数据。通过精度数据对比得出结论:目前在定位精度方面,美国GPS卫星定位系统的精度略优于中国北斗卫星定位系统的精度。 The construction of satellite positioning system in China started late.At present,the Beidou satellite positioning system(BDS)has been gradually catching up with global positioning system(GPS),and gradually gaining the support of the majority of users.The study of the positioning accuracy difference between BDS and GPS can better understand the advantages and disadvantages of BDS,and provide reference data for the wider application of Beidou satellite positioning system.This paper compares the constellation structure of Beidou satellite positioning system and GPS.HGO software is used to analyze the differences between the constellation structures of the two positioning systems,and the accuracy data of the two positioning systems are calculated.Draw the following conclusions:At present,in terms of the positioning accuracy,the accuracy of American GPS is slightly better than that of Chinese BDS.
作者 秦登华 杨媛媛 张迪 李琛 张迪 QIN Deng-huan;YANG Yuan-yuan;ZHANG Di;LI Cen;ZHANG Chi(Natural Resources Department of Guangxi Zhuang Autonomous Regio,Nanning 530000,China;Natural Resources Survey and Monitoring of Guangxi Zhuang Autonomous Regio,Nanning 530000,China;Natural Resources Information Center of Guangxi Zhuang Autonomous Region,Nanning 530000,China;Guangzhou Municipal Engineering Design and Research Institute Co.,Ltd.,Guangzhou,510000,China)
出处 《南宁师范大学学报(自然科学版)》 2022年第2期111-118,共8页 Journal of Nanning Normal University:Natural Science Edition
基金 国家自然科学基金项目(42071135)。
关键词 北斗卫星定位系统 全球卫星定位系统 精度 Beidou satellite positioning system GPS accuracy analysis
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