轨道段 meaning in English

orbital segment

For the lunar landing phase mission , this paper presents autonomous navigation scheme based on feature points ( fps ) tracking
针对着陆轨道段任务,给出了一种基于特征点跟踪的自主导航方法。
For the circling moon phase mission , this paper proposes an autonomous optical navigation algorithm using the gauss - markov process and unscented kalman filter
针对绕月轨道段任务,提出了基于高斯-马尔科夫过程和unscented卡尔曼滤波的自主轨道确定方法。
With earth - moon transfer trajectory taken into account , this paper gives the deep space autonomous optical navigation algorithm based on the information of earth - moon
论文的主要研究内容包括:针对奔月轨道段任务,给出了基于地月信息的自主光学导航方法。
The unscented kalman filter is used to estimate the probe position , velocity and un - model acceleration , which improves the orbit estimation accuracy and ensures the stability of navigation algorithm
数学仿真结果表明,提出的导航方法是可行的,能够满足月球探测器奔月与绕月轨道段导航精度的要求。