海洋测绘2017，Vol.37Issue(3)：25-28,4.DOI:10.3969/j.issn.1671-3044.2017.03.005
基于坐标约束的精密单点定位授时算法
A Timing Algorithm of Precise Point Positioning Based on Coordinate Constraint
摘要
Abstract
In order to solve the convergence problem of the traditional PPP timing algorithm,a timing algorithm of precise point positioning based on coordinate constraint is proposed.The coordinate constraint equation is constructed to improve the traditional timing algorithm by using the priori coordinate information,and accelerate the convergence speed of the timing results.The Experiment results based on the real observation of IGS stations show that the convergence speed of the timing results can be significantly improved under the static conditions.Under the condition of the static simulation of dynamic,not only the convergence speed of the timing results,but also the timing accuracy and stability can be improved.关键词
精密单点定位/先验坐标信息/授时/约束方程/收敛速度Key words
precise point positioning/prior coordinate information/timing/constraint equation/convergence speed分类
天文与地球科学引用本文复制引用
于合理,郝金明,田英国,刘伟平..基于坐标约束的精密单点定位授时算法[J].海洋测绘,2017,37(3):25-28,4.基金项目
中国第二代卫星导航系统重大专项课题(GFZX0301040308-03,GFZX0301040101ZX04,GFZX0301040107) （GFZX0301040308-03,GFZX0301040101ZX04,GFZX0301040107）
地理信息工程国家重点实验室开放研究基金(SKLGIE2015-M-1-6). （SKLGIE2015-M-1-6）
