| 基于DGPS的组合定位系统研究与设计 |
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| 引用本文： | 刘佳,;杨志杰.基于DGPS的组合定位系统研究与设计[J].铁路计算机应用,2014,23(7):1-4. |
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| 作者姓名： | 刘佳 ;杨志杰 |
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| 作者单位： | 中国铁道科学研究院,北京,100081%中国铁道科学研究院通信信号研究所,北京,100081 |
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| 摘 要： | 本文介绍一种基于DGPS、地面仿真平台和应答器定位的组合定位技术,该技术提高了DGPS的定位精度.提出一种里程平滑算法,改善了DGPS在不利环境条件下的应用,现场试验证明该组合定位系统能够提高列车定位的精度、连续性与可靠性.
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| 关 键 词： | DGPS伪距定位 定位误差 仿真平台 里程平滑算法 |
| 收稿时间： | 2014-07-15 |
Integrated Positioning System based on DGPS |
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| Institution: | LIU Jia,YANG Zhijie( 1.China Academy of Railway Sciences, Beijing 100081, China; 2.Signal＆Communication Research Institute, China Academy of Railway Sciences, Beijing 100081, China;) |
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| Abstract: | This paper described an integrated technology based on DGPS,CTCS-3 simulation platform and balise positioning,through the integrated positioning technology to improve the positioning accuracy of DGPS,and proposed the Mileage Smoothing Algorithm to improve DGPS applications under adverse environmental conditions.The field test demonstrated that the Integrated Train Positioning System could improve the accuracy of position,continuity and reliability. |
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| Keywords: | DGPS pseudo-range positioning positioning error simulation platform Mileage Smoothing Algorithm |
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