Microwave plasma thruster (MPT) was applied to the sub system of DFH 3 satellite to complete its orbit transfer (OT) and north south station keeping (NSSK).
将微波等离子推力器(MPT)应用于“东方红三号”(DFH3)卫星的推进子系统，完成其轨道转移和南北位置保持任务。
For a given FPSO, some station keeping plans are designed first in this paper, which based on the mooring system or dynamic positioning (DP) system technology.
本文对于给定的FPSO，首先构造了全锚泊系统、全动力定位系统及由其交叉组合而成的多种定位方案。
Secondly, the control system structure and station keeping problems near collinear Lagrange points are studied.
研究了编队飞行的控制系统结构和共线拉格朗日点附近的周期轨道保持控制问题。
Assessing the accuracy of guidance system, especially controlling of missile's attitude and station keeping maneuver and landing point forecasting all rely on the reliable trajectory measurement.
飞行器制导精度评估，特别是航天器的姿态与定点控制、落点预报等，都离不开高精度的外弹道测量数据。
Assessing the accuracy of guidance system, especially controlling of missile's attitude and station keeping maneuver and landing point forecasting all rely on the reliable trajectory measurement.
飞行器制导精度评估，特别是航天器的姿态与定点控制、落点预报等，都离不开高精度的外弹道测量数据。
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