摘要
载波相位测量中小周跳的探测与修复一直是高精度GPS定位研究中的热点领域。分析了L1和L2载波相位观测值的关系,通过相邻历元的相位观测值求差来探测周跳,并结合伪距差分约束条件来确定及修复周跳。结合实例分析,证明该方法可以有效地探测并修复周跳,并通过Matlab编程实现了算法的程序化。
Small cycle slip detection and repairing in carrier-phase measurement has always been a hot field in the study of high precision GPS positioning. Based on the analysis of L1 and L2 carrier-phase observation value, using the difference between adjacent epoch phase observation value to detect cycle slip, and combining the pseudorange differential constraints to identify and repair the cycle slip. Through the case analysis, the method can effectively detect and repair the cycle slip is proved, and through the Matlab algorithm is programmed.
出处
《海洋测绘》
2013年第6期29-32,共4页
Hydrographic Surveying and Charting
关键词
全球定位系统
载波相位
周跳
相位求差
伪距差分约束法
：GPS
carrier phase
cycle slip
phase differencing
pseudorange difference constraint method
