Modeling and effects analysis of PPP ambiguity fixing based on integer phase clock method

被引：0
|
作者：
Liu, Shuai [1 ]
Sun, Fuping [1 ]
Hao, Wanliang [1 ]
Liu, Jing [1 ]
Li, Haifeng [1 ]
机构：
[1] College of Navigation and Aerospace Engineering, Information Engineering University, Zhengzhou,450001, China
来源：
Cehui Xuebao/Acta Geodaetica et Cartographica Sinica | 2014年 / 43卷 / 12期
关键词：
Three representative precise point positioning (PPP) ambiguity fixing methods have been developed; which include the single-difference between-satellite method; the integer phase clock method and the decoupled clock method. Currently; only the French CNES published products applied to PPP ambiguity fixing using the integer phase clock method. Therefore; it is necessary to study the client PPP ambiguity fixing model based on integer phase clock method. This paper analyzes PPP ambiguity fixing model based on the integer phase clock method; and highlights the difference between the ambiguity-fixed PPP model and the traditional ambiguity-float PPP model. A cascaded ambiguity fixing strategy is proposed to perform PPP ambiguity fixing with special regard to quality control. Numerous kinematic PPP experiments show that ambiguity-fixed PPP can obtain a fast convergence; a better and stability positioning accuracy; compared with ambiguity-float PPP. ©; 2014; SinoMaps Press. All right reserved;
D O I：
10.13485/j.cnki.11-2089.2014.0195
中图分类号：
学科分类号：
摘要：
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页码：1230 / 1237
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