Design and realization of the acoustic waves flight time measurement system based on cross-correlation method

The influence of the experimental conditions on the flight velocity of the ejected plasma was discussed based on the feature of their time-of-flight spectra.

结果表明，在脉冲激光沉积薄膜的情况下，喷射等离子体的飞行速度主要依赖于作用于靶面的激光能量密度。

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The model's flight velocity is 4.8~ 5.7km/ s, and the chamber's pressure is 10~ 80mmHg.

球模型飞行速度为4.8～5.7km／s，靶压10～80mmHg。

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The mathematic model equations, boundary conditions and nonlinear iterative algorithm established herewith can be used to calculate the variations of flight path, velocity ( or angular velocity), acceleration as well as load factor, etc, with time for the said maneuvers.

所建立的数学模拟方程、边界条件以及非线性迭代求解方法，可以用来计算该机动科目的飞行轨迹、速度（或角速度）、加速度以及载荷因数等随时间的变化。

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A new method of flight velocity recognition of low-velocity projectile

低速弹飞行速度识别的一种方法

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Finally, the working loading spectra are calculated from altitude velocity characteristic, flight altitude and flight velocity.

最后根据发动机的高度&速度特性计算出发动机的工作参数谱。

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To deal with the situations of close flight and cross flight, the velocity information of targets and the method of partly processing are taken into track correlation.

针对近飞目标和交叉飞行目标的情况，点迹与航迹的关联采用了分块处理技术，并融合了目标的速度信息。

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In addition, the effects of flight height, flight velocity, and radius of water droplet on droplet trajectories were also investigated.

此外，还研究了飞行高度、飞行速度及水滴半径对水滴撞击特性的影响；

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The simulation results of trimming calculation under the different flight velocity condition is conducted. The effect of trim results from different parameters is discussed. Graphical User Interface is designed using Matlab tool software.

运用matlab软件设计图形用户界面GUI，进行了无人直升机不同前飞速度下配平计算仿真研究，讨论了不同参数对配平结果的影响。

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Emulational study on the effect on the cruise missile penetration by shortcut flight course, flight altitude and flight velocity

巡航导弹飞行捷径、高度及速度对突防影响的仿真研究

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One is velocity based multi-model predictive control method. Improvement is made on reference trajectory and switching rule to realize efficient large range tracking control of flight velocity.

一是研究了基于速度切换的多模型预测控制方法，通过对参考轨迹及切换准则的改进实现了对大范围速度指令信号的快速跟踪。

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Rotating speed spectrum are calculated from altitude-velocity characteristic, flight altitude and flight velocity.

然后根据发动机的高度速度特性和飞行高度与速度计算出该发动机的航线类转速谱。

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Its working state affects the flight velocity, tactics performance and flight security.

其工作状态直接影响飞机的飞行速度、战术性能的发挥及飞行安全。

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the large area telescope is the most sensitive and highest-resolution gamma-ray detector ever launched.

大视场望远镜是最敏感的，并且对伽马射线的发射着有着最高的分辨率。

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the gamma-ray detector spotted the antimatter signals while searching for at terrestrial flashes of gamma rays.

伽玛射线探测器在寻找伽玛射线地面闪光的同时，发现了反物质的信号。

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In order to make user control the motion attitude of the airplane by changing the dates in the control interface, the author designs the flight track simulator.

为使用户能通过控制界面改变轨迹参数控制飞机的运动姿态，设计了飞机运动轨迹模拟器。

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Application of Flight Track Forecast to Air Traffic

航迹预测方法在航路飞行中的应用

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Taking, as example, the simulation model of dive-bomb flight track and the explosion-fume model based on particle system, this paper focus on the description of combat process in virtual naval battle space.

该文以俯冲轰炸航迹仿真模型和基于粒子系统的爆烟模型为例，对虚拟海战场环境战斗过程进行了模型描述。

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The guidance controls the vehicle through adjustment of the height, speed and flight track of the vehicle to get preference energy.

制导系统通过能量、速度和侧向轨迹的控制，使航天飞机达到标准的能量状态。

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Furthermore, combined with the modified K neighborhood flight track correlation algorithm, the new algorithm is generalized to include the case of multi-targets. Finally, the simulation experiments are done to verify its validity.

进一步，结合修正的K近邻域航迹关联算法，将该算法推广到多传感器多目标的情况，并给出了仿真试验证明其有效性。

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The simulating results indicate that these flight path control laws can ensure the vehicle flies following the flight track of the towing plane.

计算结果表明，所采用的控制律可以实现运载器跟随拖曳飞机的飞行航迹。

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