摘要
针对在我国高纬度地区BDS-3、BDS-2系统定位性能,分析对比了BDS-3、BDS-2系统的可见卫星数、PDOP值以及单频伪距单点定位精度,经研究发现,我国高纬度地区BDS-3系统可见卫星数要明显高于BDS-2系统,BDS-3系统PDOP值明显低于BDS-2系统,并且两者在同一频点的伪距单点定位精度BDS-3系统要明显优于BDS-2系统。
Aiming at the positioning performance of the BDS-3 and BDS-2 systems in high latitude areas in China, the number of visible satellites, the PDOP value and the single-frequency pseudo-range single-point positioning accuracy of the BDS-3 and BDS-2 systems are analyzed and compared. The number of visible satellites in the BDS-3 system in China′s high latitude areas is significantly higher than that of the BDS-2 system, and the PDOP value of the BDS-3 system is significantly lower than that of the BDS-2 system, and the pseudo-range single point positioning accuracy of the two at the same frequency is BDS-3, which is significantly better than the BDS-2 system.
作者
李游
LI You(Heilongjiang Third Surveying and Mapping Engineering Institute,Harbin 150025,China)
出处
《测绘与空间地理信息》
2022年第S01期168-170,共3页
Geomatics & Spatial Information Technology
关键词
BDS-3
BDS-2
高纬度
伪距单点定位
定位精度
BDS-3
BDS-2
high latitude
pseudo-range single point positioning
positioning accuracy
