| 基于VRS技术的GPS差分改正信息生成方法 |
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| 引用本文： | 毛薇,王庆,潘树国.基于VRS技术的GPS差分改正信息生成方法[J].舰船电子工程,2007,27(3):66-68,91. |
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| 作者姓名： | 毛薇 王庆 潘树国 |
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| 作者单位： | 东南大学仪器科学与工程学院,南京,210096 |
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| 基金项目： | 国土资源部重点科技项目（项目编号：20050101）资助. |
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| 摘 要： | VRS差分改正信息的生成包括虚拟观测值的模拟和标准差分信息的编码两个部分。研究VRS伪距虚拟观测值和载波相位虚拟观测值的计算方法；分析RTCM标准差分改正信息的电文内容数据项的计算方法与编码算法，基于面向对象的方法设计了RTCM差分改正信息的生成软件。RTK实验测试表明，移动站接收VRS数据中心发播的载波相位差分改正信息，定位精度优于常规RTK。
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| 关 键 词： | 虚拟参考站 差分改正信息 全球定位系统 实时动态载波相位 RTCM |
| 修稿时间： | 2006-12-062007-01-10 |
GPS Differential Correction Data Generation Based on Virtual Reference Station |
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| Mao Wei.GPS Differential Correction Data Generation Based on Virtual Reference Station[J].Ship Electronic Engineering,2007,27(3):66-68,91. |
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| Authors: | Mao Wei |
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| Abstract: | This paper primarily discusses the approach to generate GPS differential correction data of virtual reference station.The generation method contains two parts,calculating virtual observation and programming standard differential correction data.VRS data center delivers RTCM differential correction data that is available for different kinds of GPS receiver.Method to calculate virtual observations was developed.Software to generate differential correction data was designed while analyzing message content and coding algorithm of RTCM differential correction data.RTK positioning precision test was carried out,and the result showed that,positioning precision under VRS mode was better than that of regular RTK. |
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| Keywords: | VRS differential correction data GPS RTK RTCM |
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