1) terminal velocity of the projectile
弹丸末速
1.
The wide-angle sky screen can be used for measuring the terminal velocity of the projectile,and providing synchronous signal for other trajectory measurement apparatus as the trigger device of the .
该装置可以用来测试弹丸末速,作为较大靶面的触发装置,为其他弹道测试仪器提供同步信号。
2) projectile velocity
弹丸速度
1.
A reflecting laser velocimetry for measuring the projectile velocity is designed.
该系统不仅可以测量气体炮弹丸的着靶速度,而且还可以测量弹丸速度在碰撞过程中的连续变化。
2.
In this article, we use the approximate formula abtained to analyze the relation of projectile velocity with obliquity of trajectory during a section of time after the trajectory top quantitatively.
运用近似公式定量分析过弹道顶点后一段时间内弹丸速度和弹道倾角之间的规律 ,解决了以往只能定性分析而不能定量分析的难题 。
3.
According to the limitation of traditional method for measuring projectile velocity,this paper proposes a new technology for measuring projectile velocity which is combined with digital laser screen and a cross-correlation velocity measurement algorithm.
针对传统弹丸速度测量方法的局限,提出一种新的弹丸速度测试技术——数字化激光幕结合互相关速度测量算法的测试技术,并给出了激光总体测速方案、测速原理以及互相关测速方法,经靶场试验验证测试效果良好。
3) muzzle velocity
弹丸初速
1.
Bore temperature plays an important role in different firing conditions between first round and later rounds,and it has great influence on projectile muzzle velocity.
火炮身管温度是造成首发与以后各发射弹之间射击条件差异的重要因素,对弹丸初速的影响起着不可忽略的作用。
2.
Base on this model,the influence of coupling of gun and bomb to the muzzle velocity and the bomb s action to gun s 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。
3.
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.
研究了利用激光与光纤技术的弹丸初速膛口实时测量系统 ;创造性地设计了安装于炮口的光强度调制器 ;研究了能克服火药气体的光学污染和炮口各元件耐高温、高压及抗强冲击等关键技术问题 。
4) velocity measurement of projectile
弹丸测速
1.
For the velocity measurement of projectile of the traditional process,a new electrical chronome- ter of intelligence and high precision with MCU and FPGA is designed in this paper.
针对传统过程的弹丸测速方法,利用单片机和FPGA设计了一种智能化高精度弹丸测时仪,与天幕靶、光幕靶等区截装置配合,实现了多路通道同时对单发或连发弹丸速度的自动测定、显示、保存和打印等功能。
2.
The method of velocity measurement by using zone-block device as a general method of velocity measurement in the modern range, electrical chronometer is the main component of the system of velocity measurement by zone-block , which performs the reliability and precision of velocity measurement of projectile.
区截装置测速法是现代靶场中弹丸测速的普遍方法,测时仪作为区截装置测速系统的主要组成部分,其性能直接影响弹丸测速的可靠性和精度。
5) high-velocity projectile
高速弹丸
1.
This paper has reviewed the present development of the high-velocity projectiles abroad.
综述了目前高速弹丸的研制状况，主要对电磁炮发射的高速弹丸有关技术问题作了较详细的综述，并述及了高速弹丸的发展趋势。
6) bullet velocity
弹丸速度
1.
Study of bullet velocity measurement system at any direction incidence;
斜入射弹丸速度测量系统研究
2.
The principle of bullet velocity measurement based upon the cross-correlation techniques is demonstrated.
论述了利用相关信号处理技术测量弹丸速度的原理,分析了数字采样的周期对测量误差的影响。
3.
A bullet velocity measuring system is composed of photoelectric target,microchip and PC is in- troduced and its operational principle as well.
介绍了用光幕靶、单片机和 PC 机组成的一套弹丸速度测试系统及该系统的工作原理;分析了单片机与 PC 机通讯时应注意的问题;编制了系统软件,并与“标准”测速系统进行了实际应用对比。
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