针对室内、城市峡谷及树荫等遮挡环境使卫星信号中断或变弱,影响北斗三号全球卫星导航系统精密单点定位服务信号(BeiDou Global Satellite Navigation System Precise Point Positioning B2b,BDS-3 PPP-B2b)定位性能的问题,采用卫星导...
The Basic Science Center Project of the National Natural Science Foundation of China(No.42388102);the Jiangsu Province Natural Resources Science and Technology Project(No.JSZRKJ202404).
Currently,the BeiDou⁃3(BDS⁃3)precise point positioning(PPP)service(PPP⁃B2b)mostly employs the ionosphere⁃free(IF)combination model for precise timing,which tends to amplify the noise in observation values.To address t...