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 | , |
| Format | Journal Article |
| Language | Chinese |
| 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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| Subjects | |
| Online Access | Get full text |
| ISSN | 1001-1595 |
| DOI | 10.11947/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. |
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| 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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| Author_FL | ZHOU Feng XU Tianhe |
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| DocumentTitle_FL | Modeling and assessment of GPS/BDS/Galileo triple-frequency precise point positioning |
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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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