Return trajectory design is related to the safe return of the vehicle.
返回轨道设计关系着亚轨道飞行器能否安区返回。
Software for low energy trajectory design of libration point missions is developed.
研制了具有自主知识产权的平动点任务节能轨道设计软件。
First, trajectory design of the lunar probe was discussed based on differential correction.
首先，讨论基于微分改正的月球探测器轨道设计方法。
The time for precise trajectory design will be reduced greatly when parameters gotten from prelim…
将初步设计获得的参数作为精确设计的初值，能大大缩短精确轨道设计参数的时间。
Well trajectory design is one of the key techniques for successfully drilling an extended reach well.
井眼轨道设计是大位移井的关键技术之一。
In this dissertation, low energy trajectory design and optimization for collinear libration point missions is studied.
本文对共线平动点任务节能轨道设计与优化进行了研究。
The low-energy lunar landing trajectory design using the invariant manifolds of restricted three body problem is studied.
研究了基于三体问题的不变流形设计低成本登月轨道的问题。
The essential characteristics, flight sequence, trajectory design and optimal analysis for air launch vehicle are discussed.
讨论了空中发射运载火箭的基本特点、飞行方案、发射轨道设计和优化分析方法。
Normal plane distance scanning between adjacent Wells is important in well trajectory design and anti-collision calculation.
面距离扫描在钻井轨道设计、井间防碰计算等问题中有重要的应用。
The borehole trajectory design to be drilled well with defined direction needs to solve a set of 7-element nonlinear equations.
限定了目标点井眼方向的三维圆弧型井眼轨道设计模型是一个非线性代数方程组，通常需要使用数值迭代方法进行求解。
Optimizing wellbore trajectory design is the key link to ensure the quality of well bore, decrease accidents in well hole and lower drilling cost.
优化井眼轨道设计是保证井身质量，减少井下事故，降低钻井成本的关键环节之一。
The control of the trajectory is the core technique in horizontal well technique, while trajectory design and optimal design are the two key techniques.
井眼轨迹控制是侧钻水平井技术的核心，而轨道设计与优化设计又是轨道控制技术的两大关键技术之一。
The longitudinal glide trajectory design for general air-to-ship missile is studied. Using spline function as glide standard trajectory of missile is presented.
对一般空舰导弹的纵向下滑弹道进行了设计研究，提出用样条函数作为导弹的纵向下滑基准弹道。
So maneuver reentry trajectory design problem was transferred into the more complex optimum control problem with terminal constraints and inner state constraints.
这就增加了内点约束，从而使机动再入弹道设计问题成为具有内点约束和终端约束更复杂的最优控制问题。
The new model regards the length of curve section as its objective, in which main factors affecting 3 D trajectory design & control are considered quantitatively.
该模型以最短曲线段长度为目标函数，定量地考虑了影响轨道设计与控制的主要因素。
The results of the six - dimension simulation indicates that the design meets all the task requirements, which validates the correctness and rationality of trajectory design.
六自由度的仿真实验表明弹道设计满足任务要求，验证了弹道设计的正确性和合理性。
To research the trajectory design method for terminal area energy management(TAEM) of reusable launch vehicle(RLV), the method basing on nonlinear equations of motion is designed.
为了研究重复使用运载器末端能量管理段的下滑轨迹线设计，给出了基于高度和动压的质点动力学的设计方法。
Calculation of the nearest distance among adjacent Wells is very important in drilling trajectory design, interwell anti-collision calculation, and actual wellbore trajectory control.
在钻井轨道设计、井间防碰计算、实钻轨迹监控等问题中，邻井之间的最近距离计算有很重要的意义。
The paper introduces the nonlinear programming method under nonlinear constraints to well trajectory design while drilling and puts forward an optimization method for well trajectory design.
本文将非线性不等式约束下的非线性数学规划理论引入到水平井待钻井眼轨迹设计中，提出了水平井待钻井眼轨迹的最优化设计方法。
The physical causation of the optimal trajectory and the corresponding angleofattack profile are presented. It is a good reference for schematic trajectory design for gliding type reentry vehicles.
分析了沿最优轨迹飞行的物理原因和基本迎角控制规律，可为滑翔式再入飞行器的最优轨迹方案设计提供依据。
Wu believes that this historical trajectory has now whiplashed into a grossly excessive demand for the chic, the new, and not to mention the expensive aesthetic of contemporary, avant-garde design.
吴相信这种历史轨道如今已被迫进入一个极具需求新兴时髦的时代，不再提及当代的金钱至上和先锋设计。
A fast design method for the lunar satellite transfer trajectory is presented by combining patched conic technique and ephemeris.
提出了一种将圆锥曲线拼接法与历表相结合，快速设计月球卫星地月转移轨道的方法。
This paper applies the technique of constrained trajectory propagation and optimal theory to design the autolanding trajectory for a space shuttle.
采用沿约束轨迹的推演计算方法及优化原理对航天飞机自动着陆飞行轨迹进行优化设计。
This paper presents the design method of this type of nonlinear adaptive control system and its out loop trajectory tracking controller.
本文主要介绍这种非线性自适应控制系统及其外回路航迹跟踪控制器的设计问题。
Design an algorithm to match trajectory?
设计一个算法来匹配的轨迹？
This paper emphasizingly discusses the design of ant. omatical optimizing trajectory calculation of lunar prober.
着重讨论登月轨道计算的自动寻优设计。
Lunar exploration is of great importance for human, design of lunar probe trajectory is the vanguard of lunar exploration project.
月球探测对人类具有重大的意义，月球探测器轨道设计是月球探测工程的先导。
Lunar exploration is of great importance for human, design of lunar probe trajectory is the vanguard of lunar exploration project.
月球探测对人类具有重大的意义，月球探测器轨道设计是月球探测工程的先导。
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