| GPS/BD-2兼容接收机信息处理系统的设计与实现 |
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| 引用本文： | 蒋 昊,常 青,修春娣.GPS/BD-2兼容接收机信息处理系统的设计与实现[J].太赫兹科学与电子信息学报,2009,7(6):506-510. |
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| 作者姓名： | 蒋 昊 常 青 修春娣 |
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| 作者单位： | 北京航空航天大学,电子信息工程学院,北京,100191 |
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| 基金项目： | 国家"863计划"资助项目 |
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| 摘 要： | 为实现GPS与我国的北斗二号（BD-2）兼容导航接收机的信息处理系统，在单系统定位数学模型上建立了GPS／BD-2组合导航系统的数学模型，并结合双系统兼容定位特点进行了分析。为了降低定位精度较低的GPS信号对兼容定位精度的影响，提出使用加权最小二乘法进行定位解算的方案，用C／C＋＋语言实现了基于该算法的信息处理软件，并给出了软件流程和结果分析。通过实际测试和调试，证明了此算法及软件的可行性。
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| 关 键 词： | 卫星导航 双系统 加权最小二乘 信息处理 |
| 收稿时间： | 2009/5/19 0:00:00 |
| 修稿时间： | 2009/11/4 0:00:00 |
Design and implementation of information processing system of
GPS/BD-2 compatible receiver |
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| JIANG Hao,CHANG Qing and XIU Chun-di.Design and implementation of information processing system of
GPS/BD-2 compatible receiver[J].Journal of Terahertz Science and Electronic Information Technology,2009,7(6):506-510. |
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| Authors: | JIANG Hao CHANG Qing and XIU Chun-di |
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| Affiliation: | (School of Electronic and Information Engineering, Beihang University, Beijing 100191, China) |
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| Abstract: | For realizing the information processing system of GPS/BD-2 compatible navigation receiver, this study established a mathematical model of GPS/BD-2 based on single positioning system, and analyzed the characteristics of dual-system positioning system. In order to decrease the influence of low positioning precision of GPS, a proposal was made that using Weighted Least Square（WLS） method as the basis of position solution. A suit of information processing system was realized based on WLS in C/C＋＋ language. The software process was described and the results were analyzed. The algorithm and software were experimentally validated. |
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| Keywords: | satellite navigation dual-system Weighted Least Square information process |
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