Simple form unretarted orbit of space vehicles under the first order perturbation oftheoblatenessoftheearth is obtained in this paper.
本文求得了空间飞行器在地球扁率摄动作用下简单形式的一阶解。
2
When solving required velocity, it real-timely thinks about influence ofoblatenessoftheearth and gives the process of solving required velocity by midcourse trajectory method.
求解需要速度时，实时地考虑了地球扁率的影响，并给出了利用中间轨道法求解需要速度的过程。
3
The first part is to analyze the two error sources oftheearth horizon sensor: one is earth oblateness and the other is non-uniformly distributed atmospheric infrared radiation.