文章介绍一种翼伞精确定点着陆归航的方案，按高度将归航过程划分为6个阶段，给出了每个阶段的制导算法，讨论了系统的稳定性并给出结论。
The homing progress can be divided into 6 phases by altitude. Guidance algorithm of every phase and stability of the system are discussed. Finally a conclusion is made in this paper.
海湾里的灯火近了，一定是归航入港的渔船。
In the bay, the lights come closer - fishing vessels no doubt, returning to harbor.
系统采用PID改进的带盲区的非比例径向归航控制算法，获得较好的控制性能。
The system adopts non-proportion radial homing control algorithm with modified PID blind zone, and its control capability is great.
尽管“环球飞行者”号成功归航，但它在飞行途中也遭遇过黑暗的时刻。
Despite the successful homecoming, the GlobalFlyer encountered dark moments during its flight.
归航轨迹的设计和优化对实现翼伞系统的精确空投至关重要。
Design and optimization of homing trajectory is essential for accurate aerial delivery of parafoil system.
为了实现翼伞系统的准确、安全着陆，根据翼伞系统自身的可操纵性和基本运动特性，采用经典分段归航策略。
In order to realize accurate and safe landing of parafoil system, classic multiphase homing trajectory was adopted according to the maneuverability and basic flight characters of the parafoil itself.
研究了全球卫星定位系统（ GPS）自动归航系统在恒定风场中归航轨迹的计算，探讨了系统能够达到预定目标点的条件，给出系统在几种变化风场中的轨迹图。
This paper analyses the trajectory of GPS automatics homing system in constant wind fields , and discusses the condition under which the gliding parachute system could reach preassigned location.
对于分段规划法，详细介绍了其设计的思想和各阶段的特点，并根据不同的情况提出了一整套的归航方案。
Then, the idea of(multiphase) trajectory programming and features in each phase are introduced. And a set of homing project for different conditions is brought forward.
对于分段规划法，详细介绍了其设计的思想和各阶段的特点，并根据不同的情况提出了一整套的归航方案。
Then, the idea of(multiphase) trajectory programming and features in each phase are introduced. And a set of homing project for different conditions is brought forward.
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