太阳同步轨道仿真一周期内卫星星下点轨迹图 -During the week of sun-synchronous orbit satellite nadir simulation trajectories

1.GPS/INS 组合导航实验仿真 2.自动生成轨迹和惯性数据-1.GPS/INS integrated navigation simulation experiment 2. automatically generate trajectories and inertial data