| 中长基线周跳实时探测和修复的新方法 |
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| 引用本文： | 常志巧,郝金明,吕志伟.中长基线周跳实时探测和修复的新方法[J].测绘学院学报,2009(2). |
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| 作者姓名： | 常志巧 郝金明 吕志伟 |
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| 作者单位： | 信息工程大学测绘学院; |
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| 基金项目： | 信息工程大学博士研究生学位论文创新基金资助项目;;中国博士后科研基金资助项目 |
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| 摘 要： | 提出了一种适合网络RTK基准站间周跳实时探测和修复的新方法。该方法根据基准站坐标已知的特点,反求模糊度的浮点解来探测周跳并确定周跳的范围,最后结合电离层残差组合来修复周跳。该方法可以应用到当基准站没有精确已知的坐标时的静态实时周跳探测和修复中,通过理论分析和实际计算表明,该方法处理周跳的能力较强,具有实时探测和修复中长基线的失锁时间较长的周跳,且计算简单的特点。
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| 关 键 词： | 网络RTK 周跳探测 电离层残差组合 基线 |
A New Approach for Instantaneous Cycle-Slip Detecting Suitable for Medium-to Long-Range Baseline |
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| CHANG Zhi-qiao,HAO Jin-ming,LV Zhi-wei.A New Approach for Instantaneous Cycle-Slip Detecting Suitable for Medium-to Long-Range Baseline[J].Journal of Institute of Surveying and Mapping,2009(2). |
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| Authors: | CHANG Zhi-qiao HAO Jin-ming LV Zhi-wei |
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| Institution: | Institute of Surveying and Mapping;Information Engineering University;Zhengzhou 450052;China |
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| Abstract: | A new approach was put forward,for instantaneous cycle-slip detecting suitable for reference baseline in GPS network RTK in which according to the known coordinates of reference stations,the float ambiguities were solved to detect circle-slips and then the search range of circle-slips were confirmed,at last the circle-slips were solved combining with the geometry-free phase combination.The new method could be applied in detecting and repairing cycle slips when one of base stations had not enough precise coo... |
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| Keywords: | network RTK detecting cycle slip geometry-free phase combination baseline |
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