摘要
针对目前存在的两种GPS卫星星历,分别给出了计算卫星星历的方法,并结合实际观测数据进行了比较,给出了比较结果,得出了星历精度的有益结论。
There are two kinds of GPS satellite ephemeris. The author provides different methods to calculate satellite positions and velocities. According to an actual observation data, the author compares the differences among the methods and draws some conclusions.
出处
《海洋测绘》
2008年第5期31-34,共4页
Hydrographic Surveying and Charting
