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首页> 外文期刊>American Journal of Geographic Information System >Performance Evaluation of Precise Point Positioning (PPP) Using CSRS-PPP Online Service
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Performance Evaluation of Precise Point Positioning (PPP) Using CSRS-PPP Online Service

机译：使用CSRS-PPP在线服务进行精确点定位（PPP）的性能评估

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摘要

Precise Point Positioning (PPP) of a Global Navigation Satellite System (GNSS) can be considered as an alternative solution from the differential GNSS positioning technique. Recently, PPP technique takes the spotlight due to its low cost and large number of users. Initially dual frequency PPP technique was implemented using GPS only observations. Nowadays, it has started to combine GPS+GLONASS observations in order to improve the position accuracy and reduce the convergence time. The main objective of this research is to examine the performance of the combined method compared with stand-alone GPS solution using CSRS-PPP online service processing for both static and kinematic modes. The overall results show that the GPS+GLONASS constellations does not improve the convergence time of kinematic PPP, while the static mode results of the GPS+GLONASS solution present better accuracy rather than the stand-alone GPS solution.
机译：可以将全球导航卫星系统（GNSS）的精确点定位（PPP）作为差分GNSS定位技术的替代解决方案。近年来，PPP技术因其低成本和大量用户而备受关注。最初，双频PPP技术是使用仅GPS观测值实现的。如今，它已开始将GPS + GLONASS观测结合起来，以提高定位精度并减少收敛时间。这项研究的主要目的是检验与使用CSRS-PPP在线服务处理静态和运动模式的独立GPS解决方案相比，该组合方法的性能。总体结果表明，GPS + GLONASS星座图并不能改善运动学PPP的收敛时间，而GPS + GLONASS解决方案的静态模式结果比单独的GPS解决方案具有更好的精度。

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