| GPS三频组合观测量的特征及应用研究 |
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| 引用本文： | 吕志成,刘增军,王飞雪.GPS三频组合观测量的特征及应用研究[J].全球定位系统,2011,36(6):7-11. |
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| 作者姓名： | 吕志成 刘增军 王飞雪 |
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| 作者单位： | 国防科学技术大学电子科学与工程学院卫星导航研发中心,湖南长沙,410073 |
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| 摘 要： | 介绍了GPS载波相位双差观测方程以及误差影响因素,给出GPS三频组合观测量的一般表达式并分析影响组合观测量的主要误差因素,研究了电离层无关线性组合的构建方法及其性能,详细分析几种特殊的线性组合形式及特点,总结了GPS三频组合观测值在电离层误差改正、周跳探测与修复、整周模糊度解算以及精密定位等方面的应用前景。
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| 关 键 词： | GPS 误差分析 双差 电离层无关组合 |
Investigation of Characteristic and Application for GPS Triple Frequency Carrier Phase Linear Combinations |
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| LV Zhi-cheng,LIU ZENG-jun,WANG Fei-xue.Investigation of Characteristic and Application for GPS Triple Frequency Carrier Phase Linear Combinations[J].Gnss World of China,2011,36(6):7-11. |
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| Authors: | LV Zhi-cheng LIU ZENG-jun WANG Fei-xue |
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| Institution: | LV Zhi-cheng,LIU ZENG-jun,WANG Fei-xue(Satellite Navigation R&D Center School of Electronic Science and Engineering National University of Defense Technology,Changsha Hunan 410073,China) |
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| Abstract: | The equation of GPS double-difference observation model and the error sources which affect the precision of observation are introduced,the general expression of GPS triple frequency carrier phase linear combinations is described and the major factors which limit the accuracy of observations are analyzed,and the model and performance of ionosphere-free combinations are research.In addition,series of typical combination and their possible application are introduced.It is summarized that the application prospe... |
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| Keywords: | GPS error analyse double-difference ionosphere-free combinations |
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