| 一种低动态载波相位差分GPS测量中的粗差剔除算法 |
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| 引用本文： | 刘旭晖,房建成.一种低动态载波相位差分GPS测量中的粗差剔除算法[J].中国惯性技术学报,2003,11(6):64-68. |
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| 作者姓名： | 刘旭晖 房建成 |
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| 作者单位： | 北京航空航天大学第五研究室,北京,100083 |
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| 摘 要： | 在分析介绍当前广泛应用的几种静态、动态粗差剔除准则的基础上，针对低动态环境下的载波相位DGPS测量，提出了一种基于中位数法的可变长度、分段抗差估计快速算法，用于粗差剔除。实验证明其可靠性好、适应性强，能为机载SAR运补用SINS／DGPS组合系统工程实际中提高运补参数事后处理精度提供可靠的GPS定位数据。
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| 关 键 词： | 载波相位 GPS测量 抗差拟合 异常数据 粗差剔除 飞行器导航 阶数判定 数据测量 |
| 文章编号： | 1005-6734(2003)06-0064-05 |
| 修稿时间： | 2003年10月7日 |
An Abnormal Data Eliminating Method Used in Low-dynamic Carrier Phase DGPS Position System |
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| LIU Xu-hui,FANG Jian-cheng.An Abnormal Data Eliminating Method Used in Low-dynamic Carrier Phase DGPS Position System[J].Journal of Chinese Inertial Technology,2003,11(6):64-68. |
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| Authors: | LIU Xu-hui FANG Jian-cheng |
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| Abstract: | On the base of analysising several general abnormal data eliminating rules, a new abnormal data eliminating method used by the carrier phase DGPS position system in low dynamic environment is proposed in this paper, which is robust and adaptable. In this method descending length is used to devide data into groups, then median based polynomial regression is applied to each group and the abnormal data is circularly eliminated by fast algorithm. It provides reliable carrier phase DGPS position data for improving the precision of the integrated GPS/INS navigation system. |
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| Keywords: | GPS carrier phase robust estimation abnormal data eliminate |
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