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。
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.
出处
《中国惯性技术学报》
EI
CSCD
2003年第6期64-68,共5页
Journal of Chinese Inertial Technology
