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论文:2013,Vol:31,Issue(3):451-456 |
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引用本文： |
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刘亚擎, 廉保旺, 唐成凯. 长基线高精度GNSS相对定位算法[J]. 西北工业大学 |
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Liu Yaqing, Lian Baowang, Tang Chengkai. Long Baseline High Accuracy GNSS Relative Positioning Algorithm[J]. Northwestern polytechnical university |
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| 长基线高精度GNSS相对定位算法 |
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| 刘亚擎, 廉保旺, 唐成凯 |
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| 西北工业大学 电子信息学院, 陕西 西安 710072 |
| 摘要: |
| 随着云计算和物联网的发展,电子设备对高精度相对位置的需求也日益增加,传统的相对定位算法假设卫星信号到达基准站和移动站是平行的,随着基线长度的增加定位算法会产生较大误差。针对上述问题,根据卫星信号到达基准站和移动站的情况,提出了一种基于三角形的相对定位算法,该方法利用三角形代替传统方法的平行线,利用余弦关系构建单差方程,进一步利用牛顿迭代对方程进行优化求解。仿真结果表明,在长基线的情况下论文所提方法仍可实现高精度定位,克服了传统方法的定位误差大的缺点,在军事和民用领域具有一定的应用价值。 |
| 关键词:
算法
计算机仿真
迭代方法
MATLAB
载波相位
GNSS
高精度
长基线
相对定位
三角形
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| Long Baseline High Accuracy GNSS Relative Positioning Algorithm |
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| Liu Yaqing, Lian Baowang, Tang Chengkai |
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| Department of Electronics Engineering,Northwestern Polytechnical University,Xi'an 710072,China |
| Abstract: |
| With the development of cloud computing and networking, electronic devices demand high precision rel-ative positioning.The traditional relative localization algorithm assumes that the directions of satellite signals which reach the base station and rover station are parallel; its error increases with increasing length of baseline.To ad-dress the problem, we discard the "parallel" assumption and proposed a relative localization algorithm that is based on the triangle in Fig.2 of the full paper, whose three vertices are the satellite, the base station and the rover sta-tion; the proposed algorithm uses the cosine relationship to establish a single difference equation and then uses the Newton iterative equations for obtaining the optimal solution.The simulation results and their analysis show prelimi-narily that the proposed method can still achieve high-precision positioning in the case of long baselines. |
| Key words:
algorithms
computer simulation
iterative methods
MATLAB
satellites
carrier phase
GNSS
high accuracy
long baseline
relative positioning
triangle
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| 收稿日期: 2012-09-12
修回日期:
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| DOI: |
| 基金项目: 国家自然科学基金(61174194);西北工业大学研究生创业种子基金(Z2012096)资助 |
| 通讯作者:
Email： |
| 作者简介: 刘亚擎(1981-),西北工业大学博士研究生,主要从事GNSS基带算法及定位算法研究。
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参考文献: |
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