| 利用先验大气信息辅助解算VRS网络模糊度 |
| |
| 引用本文： | 张锋,郝金明,肖凡.利用先验大气信息辅助解算VRS网络模糊度[J].四川测绘,2010,33(2):51-54. |
| |
| 作者姓名： | 张锋 郝金明 肖凡 |
| |
| 作者单位： | 张锋,郝金明,ZHANG Feng,HAO Jin-ming(信息工程大学测绘学院,河南,郑州,450052);肖凡,XIA Fan(61365部队,天津,300140) |
| |
| 摘 要： | 基于载波相位差分的网络RTK技术能够提供厘米级实时定位，但首先必须正确确定参考站间模糊度，并建立流动站误差改正模型。基于数天的历史观测数据获得的先验大气信息，本文提出了一种改进的VRS参考站间模糊度解算方法。本方法主要是利用大气误差的时间相关性，提取先验大气信息，对当前GPS观测值的大气误差进行改正，然后再确定模糊度。初步的试验结果表明该方法能提高参考站网络间模糊度解算效率。
|
| 关 键 词： | VRS 对流层延迟 电离层延迟 网络模糊度 |
Improving Ambiguity Resolution for VRS Network Using Priori Atmospheric Data |
| |
| ZHANG Feng,HAO Jin-ming,XIA Fan.Improving Ambiguity Resolution for VRS Network Using Priori Atmospheric Data[J].Surveying and Mapping of Sichuan,2010,33(2):51-54. |
| |
| Authors: | ZHANG Feng HAO Jin-ming XIA Fan |
| |
| Institution: | ZHANG Feng1 HAO Jin-ming1 XIAO Fan2(1.Institute of Surveying and Mapping,Information Engineering University,Zhengzhou 450052,China,2.61365 Troops,Tianjin 300140,China) |
| |
| Abstract: | The objective of network RTK based on differential carrier phase is to provide centimeter-level real-time positioning accuracy.The success of using network RTK system,however,lies in the correct ambiguity resolution between reference stations and the error modeling at mobile stations.In this paper,a new algorithm of reference stations network ambiguity resolution has been proposed with an improved performance through incorporating priori atmospheric data.The focus of the new method is to eliminate atmospher... |
| |
| Keywords: | VRS |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
|
