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基于北斗卫星导航系统的精密单点定位研究 认领 被引量:15

Precise Point Positioning Research Based on BeiDou Navigation Satellite System
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摘要 北斗卫星导航系统(BDS)是我国自主发展、独立运行的卫星导航系统,目前已有5颗GEO、5颗IGSO和4颗MEO卫星在轨运行,并于2012年12月28日开始正式提供区域服务.本文在武汉大学PANDA软件的基础上,采用武汉大学发布的BDS精密星历和30s采样率精密钟差产品,利用北京和武汉站观测数据进行了BDS的静态和动态精密单点定位试验.一周的静态数据解算结果表明,基于BDS的静态单天解在平面方向的精度达到1cm,在高程方向的精度在1cm-2cm量级;动态解算结果表明,收敛后平面的精度达到4cm,高程方向为4cm-6cm. The BeiDou Navigation Satellite System ( BDS ) developed and maintained by China is one important component of the globe navigation satellite systems.Up to now , BDS has 14satellites in space , and has been providing regional PNT service since December 28 th , 2012.Based on the PANDA software developed by Wuhan University , this paper evaluated the precision of the BDS observations by adopting BDS precise orbit distributed by Wuhan University.The one week static results indicate that the static precision with BDS can reach about 1cm at horizontal direction and 1cm-2cm precision at vertical direction. And the kinematic study shows that the kinematic precision is about 4cm at horizontal direction and 4cm-6cm at vertical direction.
作者 马瑞 施闯 MA Rui[1] SHI Chuang[2]
出处 《导航定位学报》 2013年第2期共4页 Journal of Navigation and Positioning
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