A BDS Observation Preprocessing Method Considering the Influence of Frequent Clock Jump

会议名称：《第五届中国卫星导航学术年会》

会议日期：2014年

学科分类：08[工学] 080401[工学-精密仪器及机械] 081105[工学-导航、制导与控制] 0804[工学-仪器科学与技术] 0825[工学-航空宇航科学与技术] 0811[工学-控制科学与工程] 

关 键 词：Receiver clock jump BDS cycle slip 

摘      要：Because of frequent clock jump introduced by the BDS receiver, the continuity of observation series is broken and the validity of slip detection process is undermined. After analyzing the impact mechanism of clock jump on cycle slip detection, a clock jump detection and repairing method is proposed. Validated by real BDS data, this method can effectively recover the consistency of pseudorange and phase observation and therefore avoid frequent ambiguity re-initialization, which leads to better and more stable precise point positioning solution with BDS observation.