the velocity of a projectile as it leaves the muzzle of a gun

the variation of muzzle velocity with piston weight is increased first, and then decreased.

初速随活塞质量的变化是先增大而后减少。

base on this model, the influence of coupling of gun and bomb to the muzzle velocity and the bombs action to guns recoil were researched on a certain naval gun firing.

在此模型基础上，分析了该型舰炮发射时，弹炮耦合对弹丸初速的影响和计及弹丸作用时对身管后坐的影响。

the barrel life of cannon is assessed by the rate of the muzzle velocity of pill to the standard velocity.

通过用火炮外弹道测量的初速与标準初速的比率来评定火炮身管寿命。

the reasons causing gun propellant charge temperature coefficient and the methods of reducing charge temperature coefficient and increasing gun projectile muzzle velocity have been studied.

研究了火炮装药温度系数形成的原因以及降低火炮温度系数提高弹丸初速的基本原理和措施。

the precision of time fuze rests with many factors, but the muzzle velocity of a projectile is a key parameter which decides on flight characteristic of a projectile.

时间引信的精度取决于多种因素，但弹丸初速是决定弹丸飞行特性的主要参数。

the experimental results showed that muzzle velocity of the projectile was almost linear with the charging voltage of the capacitor bank when the initial position of the armature was fixed.

实验结果表明：在电枢初始位置不变的情况下，弹丸初速度与电容器组的充电电压几乎成线性关系；

in particular, this paper describes system the composition and operation theory of speed measurement radar and the method of muzzle velocity prediction.

介绍了采用测速雷达进行闭环校射来提高舰炮武器系统射击精度的方法，重点对测速雷达组成、原理以及初速预测方法进行了说明。

precision fire of aa gun must accurately confirm and correct muzzle velocity deviation and adjustment.

高炮要準确射击必须準确确定和修正初速偏差量。

results show that the effect of charge weight variation on the muzzle velocity probable error is not significant when the variation is within normal range.

结果表明，装药量在其正常范围内波动时，装药量的变化对初速或然误差的影响并不显着。

the design for the system of muzzle velocity measurement requires some characteristics, which are high accuracy, and small size and so on.

现代炮口测速系统要求设计具有高準确性、小型化、快速化特点。

the calculation results indicate:(1)the effects of charge ratio on muzzle velocity are too big, but it has a best value.

计算结果表明，（1）装药质量比例对初速影响较大，有一个最佳值；

it is valuable in firing for the gun, special for the gun whose ca liber less than 57mm, to measure the muzzle velocity of projectile when guns are firing.

在对某舰炮武器系统结构不做大的改动条件下，通过对比、分析与计算提出了通过提高弹丸初速来增加火炮射程的技术途径。

the cannon shot muzzle velocity is the mainly parameter which influences outer ballistic performance.

弹丸初速度是影响外弹道性能的主要参数。

in this paper we introduce a new muzzle velocity sensor which is a kind of photoelectric one based on laser backscatter.

本文介绍了一种新型的炮口测速传感器，即利用激光后向散射的光电传感器。

and electromechanical model was simulated bying the engineering practice. during the experiment, muzzle velocity of the projectile and charging voltage were gained.

通过发射实验，测得了系统发射过程中的放电电流和弹丸的初速度。

the muzzle velocity of the touzhai landslide is predicted on the basis of the tests.

并在试验研究的基础上，对头寨沟滑坡启程初速度进行了预测。

improving the muzzle velocity of projectile based on the restriction of the maximum bore pressure is the interior ballistic devisers goal all the time.

在满足最大膛压的约束下，提高弹丸初速始终是内弹道研究设计者的目标。

the sh1 is equipped with a computerised fire-control system, with a muzzle velocity sensor which feed the data directly to the fire-control computer.

sh1装备一套计算机火控系统，用一个炮口速度传感器直接反馈数据到火控计算机。