在运载火箭概念设计阶段，总体参数的确定结合轨迹优化设计能最大程度地提高设计性能。
The system parameter design combining with the trajectory optimization design can efficiently improve the whole design performance of launch vehicle during its preliminary design.
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 applies the technique of constrained trajectory propagation and optimal theory to design the autolanding trajectory for a space shuttle.
轨迹优化是新型高超声速滑翔式再入飞行器方案设计的关键技术之一。
Trajectory optimization is one of the key factors in scheme planning of the new type of hypersonic gliding reentry vehicles.
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.
设计了加工轨迹，通过实验研究，对成形路径，尤其是第一道次进行了优化，在此基础上加工获得了高径比为0.5的直壁筒形工件。
The vertical wall cylinder part with 0.5 height-diameter ratio can ultimately be formed in the practical manufacture after the forming track, especially the first optimal forming path.
结合弹簧模型、变密度法和拓扑优化工具，研究了实现平面可控轨迹输出柔顺机构的设计方法。
This paper described the use of spring model, penalized density method and topology optimization as a synthesis tool for the design of controllable path-generating compliant mechanisms.
该文讨论了使用中轨共地面轨迹星座建立区域覆盖卫星通信系统的优化设计方法。
An optimization design method for implementing regional coverage satellite system with common-track constellation is proposed.
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 control of the trajectory is the core technique in horizontal well technique, while trajectory design and optimal design are the two key techniques.
通过对磁聚焦系统进行优化设计，外层电子注轨迹得到明显改善。
Optimization of the magnetic focusing system can decrease the radial magnetic induction and improve the electron beam quality.
对混铁炉在其运行轨迹上的各个位置静阻力矩进行分析，可以找出混铁炉倾动时所需的最大倾动力矩，然后可以选定与之相匹配的电机、制动器，以达到产品的优化设计。
The maximum tilting force moment value can be obtained by analyzing the static resisting force moment at individual points on the track along which mixers move.
该井井眼轨道优化设计和井眼轨迹控制技术为类似水平井的井眼轨道设计和轨迹控制提供了有益的借鉴。
The well path optimization and control technology applied to this well can supply valuable references to similar horizontal wells.
水平定向钻进轨迹最优化设计进行了深入研究。
This paper discussed the horizontal directional drilling trace optimization design in no-dig engineering.
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 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.
确定了近地轨道的发射轨道优化设计方法 ，采用多重参数化法将轨迹最优控制问题转化为参数优化问题。
The optimization methods for launch trajectory of low earth orbit are discussed, and the optimal control problems are converted into parameter optimization problems by multiple parameterized methods.
确定了近地轨道的发射轨道优化设计方法 ，采用多重参数化法将轨迹最优控制问题转化为参数优化问题。
The optimization methods for launch trajectory of low earth orbit are discussed, and the optimal control problems are converted into parameter optimization problems by multiple parameterized methods.
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