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| 引用本文： | 汪平,郝金明,沈国康,王浩宇.GPS????λ????????????????[J].大地测量与地球动力学,2009,29(3):141-144. |
| 作者姓名： | 汪平 郝金明 沈国康 王浩宇 |
| 作者单位： | 1. 解放军信息工程大学测绘学院,郑州,450052 2. 92899部队,宁波,315200 3. 78138部队,成都,610036 |
| 摘 要： | ?????????????λ?г??????????????α???????????P??α??????????ó?????P1??P2??α??????????????????????α?????????????????????λ???????P1??α????λ????????????????????????GPS????λ?????????????P1??P2??α????????????????????????α??????????????P1??α????????????????????????????????λ?????????Ч??? |
| 关 键 词： | α?? ????????????? ????λ P?? ??λ???? |
ANALYSIS AND IMPROVEMENT OF ACCURACY OF GPS POINT POSITIONING OBSERVATIONS |
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| Wang Ping,Hao Jinming,Sheng Guokang,Wang Haoyu.ANALYSIS AND IMPROVEMENT OF ACCURACY OF GPS POINT POSITIONING OBSERVATIONS[J].Journal of Geodesy and Geodynamics,2009,29(3):141-144. | |
| Authors: | Wang Ping Hao Jinming Sheng Guokang Wang Haoyu |
| Institution: | 1)Institute of Surveying and Mapping, Information Engineering University, Zhengzhou 4500522)92899 Troops, Ningbo 3152003)78138 Troops, Chengdu 610036 |
| Abstract: | The relation between the accuracies of iono-free combination pseudorange observation and P code pseudorange observation is analyzed.The experiment results show that when the qualities of P1 and P2 code pseudorange are very different,the accuracy of the iono-free combination pseudorange declines,as a result,the accuracy of point positioning using iono-free combination pseudorange is worse than that of point positioning using P1 code pseudorange.In order to solve the problem,a new point positioning method is ... |
| Keywords: | pseudorange iono-free combination observation point positioning P-code positioning accuracy |
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