查询词典 projectile

Projectile velocity measurement technology based on large effective area laser screen［J］.

基于大面积激光光幕的弹丸速度测试技术研究［J］。

Using the wavelength of 650nm PIN photodiode to form the large effective screen area,laser screen velocity measurement system comprised of lens hood,interference filter and special photoelectric conversion circuit measure execution of projectile.

实验采用650nm波长的PIN光电二极管发出激光形成大面积光幕，经过遮光罩、干涉滤光片等光学器件和特殊的光电转换电路组成的光电靶测速系统测试弹丸的创伤性。

I have a rare case of 48-hour projectile leprosy, but I know we have that deadline to meet...

尽管我知道我们会面的最后期限，但是我患上了一种罕见的48小时发作的麻风病。。。

Based on the projectile's geometry structure and movement characteristics, a non gyroscope inertial measurement technique using twelve linear accelerometers for the angular rate measurement and linear acceleration is presented.

基于炮弹的几何结构及运动特点，设计了一种十二加速度计组合的无陀螺惯性测量方案用于测量弹体运动时的角速度和线加速度。

The "NVIS"(Near-Vertical Incidence Sky wave) antenna is set on the horizon, which can clear up the dead zone of short-wave communication, and a ferrite loading spiral coil antenna is installed on the rocker projectile to receive the short wave signal.

在地面设置近垂直入射天波传播"NVIS"天线，消除短波通信静区，弹上安装铁氧体加载螺旋线圈天线接收短波信号，利用原有弹载计算机进行数据处理。

Then, in the viscous fields, based on reference enthalpy theory and semi-empirical formulas, using the boundary layer edge conditions and classic methods, calculated the heating rates and the temperature on the heads of projectile in different Mach number and different angle of attack.

在粘性主导区内，在理论与半经验公式的基础上，利用参考焓方法，将无粘数值求解得到的边界层外缘参数代入经典的热流计算公式，从而得到不同马赫数、不同攻角时弹丸头部的表面热流和温度。

The commercial CFD software Fluent was used for simalation of aerodynamic charactirestics of some terminal guided munitions in terminal segment under different affack anyle and mach, the variation lav of or lift coeflienct, drag coeflient and roll moment coefficient with flight mach and attacls angle was obtained, The semulation result shows the caculated aerodynarve parameters can be referend to high accuracy firing table for the terminal guided projectile.

文中主要利用商业CFD软件Fluent对某型末制导炮弹的末制导段在不同攻角、不同飞行马赫数的气动特性进行了数值仿真，得出了该型末制导炮弹升力系数、阻力系数和滚转力矩系数随飞行马赫数和攻角的变化规律。结果表明，计算所得气动参数可以为该末制导炮弹编制高精度射表提供数据依据和参考。

This skill allows the Witch Doctor to lob a sort of fire grenade projectile, like a molotov cocktail, to any spot on the screen.

这个技能允许WD抛射出火焰弹，像燃烧瓶一样可以扔到屏幕内的任何地方。

On the basis of analyzing the principle of fiber Bragg Grating strain sensor,a method of measuring projectile muzzle velocity is put forward.

在对光纤布拉格光栅应变传感原理分析的基础上，提出了一种易实用化的，能够实现武器弹丸炮口初速测试的方法，介绍了系统的基本组成，对光栅布拉格传感器弹丸炮口速度测试原理和方法进行了分析。

The projectile muzzle velocity increases approximately 8% in the condition that the ratio of traveling liquid propellant is 18%.

在随行药量的比例为18％的情况下，弹丸初速大约提高8％。

But GST= 0.156, Nm=1. 588. As a result, the foundation of Youyongchi Avicennia marina population was the result of the migration of hypocotyles and human factors.

这项工作可以为海岸防护林中新引进种类的判定以及为研究种群建立者效应方法的确定提供科学依据。

The two-dimensional CDRC-ADI-FDTD update equations for collision unmagnetized plasma are induced. The unconditional stability of the CDRC-ADI-FDTD formulation for collision unmagnetized plasma is obtained by the examples.

推导了碰撞非磁化等离子体中的二维CDRC-ADI-FDTD迭代公式，并用算例验证了碰撞非磁化等离子体CDRC-ADI-FDTD算法也是无条件稳定的。