GPS/BDS/Galileo三频精密单点定位模型及性能分析

P228; 在精细考虑伪距和载波相位硬件偏差时变特性的基础上,导出了更为严谨的非差非组合观测方程,并给出了非组合模式下两类GNSS偏差的数学表达形式.基于此,本文详细研究了3种常用的三频精密单点定位(PPP),即无电离层两两组合IF1213、单个无电离层组合IF123与非组合UC123函数模型的独立参数化方法,系统分析了3种PPP模型的相互关系以及GPS/BDS/Galileo三频静、动态PPP定位性能.结果表明,静态PPP收敛后定位精度水平方向优于1.0cm,高程优于1.5cm;动态PPP水平方向优于2.0cm,高程优于5.0cm;三频PPP的定位性能与双频PPP基本相当....

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Published in测绘学报 Vol. 50; no. 1; pp. 61 - 70
Main Authors 周锋, 徐天河
Format Journal Article
LanguageChinese
Published 山东科技大学测绘科学与工程学院,山东 青岛 266590%山东大学空间科学研究院,山东威海264209 2021
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ISSN1001-1595
DOI10.11947/j.AGCS.2021.20200146

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Abstract P228; 在精细考虑伪距和载波相位硬件偏差时变特性的基础上,导出了更为严谨的非差非组合观测方程,并给出了非组合模式下两类GNSS偏差的数学表达形式.基于此,本文详细研究了3种常用的三频精密单点定位(PPP),即无电离层两两组合IF1213、单个无电离层组合IF123与非组合UC123函数模型的独立参数化方法,系统分析了3种PPP模型的相互关系以及GPS/BDS/Galileo三频静、动态PPP定位性能.结果表明,静态PPP收敛后定位精度水平方向优于1.0cm,高程优于1.5cm;动态PPP水平方向优于2.0cm,高程优于5.0cm;三频PPP的定位性能与双频PPP基本相当.
AbstractList P228; 在精细考虑伪距和载波相位硬件偏差时变特性的基础上,导出了更为严谨的非差非组合观测方程,并给出了非组合模式下两类GNSS偏差的数学表达形式.基于此,本文详细研究了3种常用的三频精密单点定位(PPP),即无电离层两两组合IF1213、单个无电离层组合IF123与非组合UC123函数模型的独立参数化方法,系统分析了3种PPP模型的相互关系以及GPS/BDS/Galileo三频静、动态PPP定位性能.结果表明,静态PPP收敛后定位精度水平方向优于1.0cm,高程优于1.5cm;动态PPP水平方向优于2.0cm,高程优于5.0cm;三频PPP的定位性能与双频PPP基本相当.
Author 周锋
徐天河
AuthorAffiliation 山东科技大学测绘科学与工程学院,山东 青岛 266590%山东大学空间科学研究院,山东威海264209
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XU Tianhe
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Keywords 定位性能
GPS/BDS/Galileo
GNSS偏差
精密单点定位
三频观测值
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Snippet P228; 在精细考虑伪距和载波相位硬件偏差时变特性的基础上,导出了更为严谨的非差非组合观测方程,并给出了非组合模式下两类GNSS偏差的数学表达形式.基于此,本文详细研究了3...
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Title GPS/BDS/Galileo三频精密单点定位模型及性能分析
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