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 analysis solution of outer trajectory about low speed and flat trajectory is deduced out.
推导出了计算低速低伸外弹道的解析式。
Regarding the problems with low accuracy at high temperature and trajectory path crossing, investigation centered on the launcher rather than the rocket.
有关在高温低精度和弹道路径交叉问题，调查中心在发射装置上并非火箭。
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 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。
In this paper, we discussed an algorithm for decision trajectory during detecting slowly moving point target in low SNR.
本文讨论了低信噪比条件下缓动点目标检测技术中候选轨迹的确定算法。
The probability of low altitude penetration can be highly improved by the TF/TA optimal trajectory planning. Trajectory planning is a key technique in realizing low-altitude-penetration.
TA最优航迹规划技术可以在很大程度上提高突防飞行器的突防概率，是实现飞行器低空突防飞行的关键技术。
A novel rapid method to design optimal-fuel interplanetary trajectory for low-thrust propulsion is presented based on normal trajectory approach.
针对星际探测任务中燃料最省小推力转移轨道问题，提出一种基于标称轨道的快速设计方法。
Experimental results show that this method can cut voiced consonants and vowels, low-noise and speech segments well, Pitch trajectory reflects the tone features about voice.
实验结果表明，本文方法能很好地切割浊辅音和元音，低噪声和语音段。
Based on conventional ballistics theory, the mathematical model of the ballistic trajectory which adopts low and high pressure chamber fire mode is established for the small cluster tear bomb.
本文针对小型子母式催泪弹，采用经典弹道理论建立了高低压室发射方式的内外弹道数学模型。
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, the optimization model of interplanetary low-thrust trajectory was established using modified equinoctial elements.
首先，基于归一化的改进春分点根数建立了星际小推力转移轨道的优化模型；
This proves that the one-dimensional trajectory amendments mode of ground radar surveillance and progroud fire-control center control is entirely feasible and can achieve low-cost and miniaturization.
由此可见，采用地面雷达导航、由地面火控中心发射指令的一维弹道修正方式完全可行，并可以做到低成本，小型化。
The air resistance of damper of 1-dimension trajectory correcting fuses (1-D TCF) is measured under pill angle of attack and low wind speed.
一维弹道修正引信阻力器空气阻力的简捷测量，是在弹丸零攻角、低风速下测量空气阻力的试验方法。
The air resistance of damper of 1-dimension trajectory correcting fuses (1-D TCF) is measured under pill angle of attack and low wind speed.
一维弹道修正引信阻力器空气阻力的简捷测量，是在弹丸零攻角、低风速下测量空气阻力的试验方法。
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