Analysis and modeling of GPS positioning error

doi:10.3778/j.issn.1002-8331.2009.01.062

Computer Engineering and Applications ›› 2009, Vol. 45 ›› Issue (1): 204-206.DOI: 10.3778/j.issn.1002-8331.2009.01.062

• 工程与应用 • Previous Articles Next Articles

Analysis and modeling of GPS positioning error

TENG Yun-long^1,2,SHI Yi-bing²,KANG Rong-lei¹

1.Research Institute of Electronic Science and Technology，University of Electronic Science and Technology of China，Chengdu 610054，China
2.School of Automation Engineering，University of Electronic Science and Technology of China，Chengdu 610054，China

Received:2008-06-26 Revised:2008-09-12 Online:2009-01-01 Published:2009-01-01
Contact: TENG Yun-long

GPS定位误差分析和建模

滕云龙^1,2,师奕兵²,康荣雷¹

1.电子科技大学电子科学技术研究院，成都 610054
2.电子科技大学自动化工程学院，成都 610054

通讯作者: 滕云龙

Abstract

Abstract: A new method for building the model of GPS positioning error series is presented.Firstly，the multiple-point averaging and sample period graph is utilized to extract the trend and period term of the positioning error series respectively.Secondly，the residual series formed by taking out the trend term and the period term is predicted with auto-regressive model.Finally the combined model of positioning error series is proposed.The combined model syncretizes the characteristics and advantages of the three modeling methods effectively，and offsets the shortage of a single model.Test results are presented to demonstrate the feasibility and validity of the method in the end.

Key words: Global Positioning System（GPS）, time series analysis, error modeling, sample period graph, combined model

摘要： 提出一种GPS定位误差序列建模的新方法。该方法首先利用多点平均方法提取误差序列的趋势项；然后利用样本周期图拟合周期项；最后对去掉趋势项和周期项的平稳随机序列进行分析，从而得到了GPS定位误差序列的组合预测模型。组合模型融合了各种基本建模方法的特色与优势，弥补了单个基本模型的缺陷与不足，有效提高了定位误差序列的预测准确度。利用实测数据，验证了方法的可行性与有效性。

关键词: 全球定位系统（GPS）, 时间序列分析, 误差建模, 样本周期图, 组合模型

TENG Yun-long^1,2,SHI Yi-bing²,KANG Rong-lei¹. Analysis and modeling of GPS positioning error[J]. Computer Engineering and Applications, 2009, 45(1): 204-206.

滕云龙^1,2,师奕兵²,康荣雷¹. GPS定位误差分析和建模[J]. 计算机工程与应用, 2009, 45(1): 204-206.

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Analysis and modeling of GPS positioning error

GPS定位误差分析和建模

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