摘要
为了评估北斗三频观测值在短基线RTK应用中的定位性能,采用Kalman滤波模型进行动态环境下北斗三频模糊度固定,经实测数据验证,动态环境下北斗三频RTK只需1个历元即可得到固定解,模糊度成功率较GPS双频和BDS双频分别提高了15.0%和14.1%,验证了我国北斗三频信号在短基线RTK定位中的优越性能。
To assess the positioning performance of BeiDou triple-frequency observations in short baseline RTK applica- tions, the Kalman filter model is proposed to fix the ambiguity of triple- frequency observations in dynamic environ- ments. The results show that the fixed solution can be obtained by single epoch, and the ambiguity reliability is im- proved by 15.0% and 14.1% compared with that the GPS and BDS dual-frequency observations.
出处
《导航定位与授时》
2014年第3期47-51,58,共6页
Navigation Positioning and Timing
基金
国家自然科学基金资助项目(41074008)
水利部公益性行业科研专项经费资助项目(201401072)
