Free trajectory - didn't even go into orbit.
自由轨道—还没有进入轨道。
The 3-d space robot collision-free trajectory planning problem, by means of geometry-graphics method in 2-d space, is resolved.
借鉴二维空间的几何图形法解决了三维空间机器人无碰撞轨迹规划问题。
In this paper, an effective geometry-graphics method based on Euclid space for welding robot collision-free trajectory planning is studied.
研究解决了基于工作空间焊接机器人无碰撞轨迹规划问题的有效途径几何图形法。
When is the plane at its highest point of its trajectory and how high is it above the point where it started when it turned the engines off when it went into free fall?
飞机在飞行轨迹的最高点，是什么时候，此时距离出发点，也就是关闭引擎的时刻，高度相差多少？，什么时候开始自由落体？
Lord Stern said that Copenhagen presented a unique opportunity for the world to break free from its catastrophic current trajectory.
斯特恩议员说，哥本哈根为世界提出了一个非同寻常的机会，以使其摆脱目前灾难性的轨道。
By using the line of sight (LOS) measurements from space based infrared sensors, free flight phase trajectory estimation problem of ballistic missile is studied.
主要研究空间预警系统利用星载红外传感器的视线测量估计弹道导弹自由飞行段弹道的问题。
Trajectory tracking in free space and torque tracking in constrained space are realized, and reliability of mode switch and stability of system are achieved in transition.
这种方法可以使关节在自由空间和约束空间中分别实现良好的轨迹跟踪和力矩跟踪，在过渡过程中实现控制模式的可靠切换和系统的稳定过渡。
Based on the virtual target point and the ellipse trajectory theory, a new maneuver method in the free - flight phase is presented.
基于虚拟目标点和椭圆弹道理论，提出了一种在自由段机动变轨的新方法。
The trajectory model consists of the uncontrolled free flight segment, the inertial guided glided segment and the final guidance segment, which accords with the proportional guided law.
弹道模型由炮弹无控自由飞段、惯性制导滑翔段和末制导段按比例导引制导率建立。
The result is satisfactory by using a method of the artificial earth satellite orbit determination from range rate observations to fit the free-flight trajectory of rocket.
用人造地球卫星轨道计算的测速定轨方法，去拟合火箭飞行弹道的自由段，取得了比较满意的结果。
Trajectory planning and motion control in free space.
自由空间的轨迹规划和运动控制。
In this paper an analytic solution of free flight trajectory of ballistic vehicle is presented.
本文提出了弹道式飞行器自由飞行轨道的解析解法。
The Doppler Radar data fitting method of the first flight segment trajectory in a free flight test of rocket assisted and base bleed projectiles was presented.
提出了复合增程弹起始飞行段弹道多普勒雷达数据拟合方法。
By the study of extended range guided munitions (ERGM) trajectory characteristics, ERGM free-flight and glide trajectory characteristics are revealed and illustrated.
研究并揭示超远程炮弹无控段及滑翔段的弹道特性。
The effect of the free mode on the trajectory of the solutions to a forced dissipative system is numerically researched.
用数值方法研究了自由模对强迫耗散系统解的轨线的影响。
The dual arm robot collision free motion planning is regarded as searching a set of data in the CSDB. With this method, an optimum trajectory would be found.
在本算法中，双臂机器人无碰撞运动规划问题被归结为对从臂无碰撞状态数据库的搜索。
The control problem for free-floating space robot system with dual-arms to track the desired trajectory in joint space was discussed.
讨论了自由漂浮双臂空间机器人系统关节轨迹跟踪的控制问题。
An action-level task modeling method for free move is proposed, which is based on a method of key point extraction from the trajectory.
针对自由运动，提出了一个基于路径关键点提取的动作级任务建模方法；
Based on the rotor free-wake model and the rotor trim model, an analytical method is developed for the prediction of helicopter rotor induced velocities on missile trajectory.
应用自由尾迹方法和旋翼配平模型，建立了一个悬停和前飞状态旋翼在导弹发射线上的诱导速度计算模型。
When the inertial parameters are unknown, two adaptive control schemes are proposed based on the results for a free- floating space manipulator system to track the desired trajectory in workspace.
在此基础上，给出了系统参数未知时由空间机械臂末端惯性空间期望轨迹产生机械臂关节铰期望角速度、角加速度的增广自适应控制算法。
When the inertial parameters are unknown, two adaptive control schemes are proposed based on the results for a free- floating space manipulator system to track the desired trajectory in workspace.
在此基础上，给出了系统参数未知时由空间机械臂末端惯性空间期望轨迹产生机械臂关节铰期望角速度、角加速度的增广自适应控制算法。
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