| 神经元实时辨识车辆导航系统中的GPS多径误差 |
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| 引用本文： | 朱庄生,王庆,万德钧.神经元实时辨识车辆导航系统中的GPS多径误差[J].公路交通科技,2006,23(1):135-138. |
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| 作者姓名： | 朱庄生 王庆 万德钧 |
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| 作者单位： | 1. 北京大学,遥感与地理信息系统研究所,北京,100871
2. 东南大学,仪器科学与工程系,江苏,南京,210096 |
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| 摘 要： | 在城市车辆导航过程中,多径误差是近距离差分GPS等高精度定位的主要误差源。文章首次提出神经元实时辨识GPS多径误差方法,它能实时辨识当前时刻GPS接收机输出的GPS信号是否含有多径误差,从而解决GPS多径误差对城市车辆导航定位精度的影响。把该方法用到实际工程中,其结果显示能够有效的消除GPS多径误差对城市车辆导航系统定位精度的影响。
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| 关 键 词： | GPS 神经元 多径 车辆导航系统 |
| 文章编号： | 1002-0268(2006)01-0135-04 |
| 收稿时间： | 2004-10-21 |
| 修稿时间： | 2004年10月21 |
GPS Mutipath Errors Identification in Vehicle Navigation System by Nerve Cell |
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| ZHU Zhuang-sheng,WANG Qing,WAN De-jun.GPS Mutipath Errors Identification in Vehicle Navigation System by Nerve Cell[J].Journal of Highway and Transportation Research and Development,2006,23(1):135-138. |
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| Authors: | ZHU Zhuang-sheng WANG Qing WAN De-jun |
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| Affiliation: | 1. Institute of Remote Sensing and Geographic Information System, Bejing University, Beijing 100871, China; 2. Department of Instrument Science and Engineering Southeast University, Jiangsu Nanjing 210096, China |
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| Abstract: | In the application of vehicle navigation in city area,Multi-path errors are the main error source of GPS high-precision differential positioning in a near distance.An innovative method using nerve cell to discriminate GPS multi-path errors real-timely is introduced here.This means can distinguish whether the current signal output by GPS receiver has multi-path error or not,which reduces the error and decreases its influence to position precision.This method has been implemented in application project.And the result suggests that it is effective to eliminate the impact of multi-path error on the precision of urban vehicle navigation system. |
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| Keywords: | GPS Nerve cell Multipath Vehicle navigation system |
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