摘要
基于Hatch滤波方法进行伪距相位平滑的研究,对GPS单频伪距相位平滑的离散性进行理论分析,给出移动窗口分段平滑方法的处理方案。采用自编软件,利用IGS跟踪站数据,对单频伪距相位平滑的离散性进行数据验证;对基于Hatch滤波的移动窗口分段平滑方法的可行性和效果进行分析,结果表明:移动窗口分段平滑方法可以较好地控制单频伪距相位平滑的离散性,保证伪距相位平滑的效果。
The divergence of GPS single frequency phase-smoothed pseudorange is theoretically analyzed,which is based on Hatch-type filtering for carrier phase smoothing.Then the subsection smoothing method based on sliding window is given.Using the self-developed software,the verification of the divergence of GPS single frequency phase-smoothed pseudorange is done with the data set from IGS tracking station.The feasibility and availability of this method are analyzed in the end.The results show that the divergence of single frequency phase-smoothed pseudorange can be better controlled,and then the phase-smoothed effectiveness is ensured.
出处
《测绘工程》
CSCD
2011年第3期33-37,共5页
Engineering of Surveying and Mapping
关键词
单频伪距
HATCH滤波
相位平滑
离散性
single frequency pseudorange
Hatch-type filter
carrier phase smoothing
divergence
