文中基于卫星相对运动状态转移方程，推出了星座双脉冲式变轨控制的理论解；
In this paper, thinking of three-satellite constellation, optimal impulse orbit transfer is studied for constellation launching.
特别是由推力协同变轨所导致的奇异最优控制问题到目前尚没有完全解决。
Up to now the singular optimal control problems in the thrust synergetic orbital transfer have not been completely solved.
基于最优控制理论，将一个最优变轨问题转化成一个两点边值问题。
The optimal transfer problem is converted into Two-Point Boundary Value problem based on optimal control theory.
根据相对轨道要素的变轨机动控制，进行编队飞行卫星群构型的初始化。
The configuration initialization of satellite formations is carried out based on orbit maneuver control...
为了实现反舰导弹的大空域变轨，提出了一种三维虚拟目标比例导引律。该导引律利用简单的控制指令就能控制导弹完成复杂的大空域变轨。
In order to realize large airspace transfer orbital trajectory of an anti-ship missile, a 3-dimensional virtual target's proportional navigation guidance (PNG) law is proposed.
为了实现反舰导弹的大空域变轨，提出了一种三维虚拟目标比例导引律。该导引律利用简单的控制指令就能控制导弹完成复杂的大空域变轨。
In order to realize large airspace transfer orbital trajectory of an anti-ship missile, a 3-dimensional virtual target's proportional navigation guidance (PNG) law is proposed.
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