Traditional GPS satellite selection algorithm uses only 4 satellites with minimal Geometric Dilution of Precision(GDOP)and doesn t work well in high dynamic conditions.

• 一般的GPS选星方法通过搜索选取使几何精度衰减因子最小的4颗卫星,对于高动态应用特别是在水平姿态角较大的情况下,传统的选星方法存在许多局限性。