采用相对轨道要素设计了理想的基准伴随轨道。
The periodic relative orbit was designed based on the relative orbit elements and the mission requirements.
其次，针对编队飞行卫星队形保持控制，以对地等张角绕飞编队为背景设计相对轨道模型预测控制算法。
Secondly, a model predictive control method is designed for the satellite formation keeping and formation of invariant angular to the ground as the background.
为了得到更丰富的相对轨道，同时考虑到相对速度测量困难，研究了仅利用位置反馈进行相对轨道设计的方法。
With the difficulty of measuring relative velocity considered, a relative orbit design method is proposed to obtain diverse relative orbits with only position feedback.
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