分析了实验环境对弹丸测速的影响，以及测速系统的误差和不确定度。
The environmental influences of experiment to velocity measurement were analyzed, error and uncertainty of this system were also carefully analyzed.
枪弹测速系统可以测量弹丸速度大小。
Bullet velocity Measurement System can measure the projectile velocity bullets.
为了提高弹丸速度测试的精度和抗干扰能力，提出了一种基于光电直流补偿的激光测速靶系统设计。
In order to improve accuracy of projectile velocity measurement and anti-jamming capability, a system of laser screens for velocity measurement with photoelectric DC compensation was presented.
测得的结果为弹丸飞行方向上的速度值。该方法与雷达和常规天幕靶测速系统相比，测量精度较高。
Contrasted with the radar and the general sky-screen system, the method presented here has higher precision.
为满足弹道散布范围大或大口径弹丸的测速场合，提出了一种原向反射式激光光幕测速的方法。
A novel laser screen method with retroreflector for velocity measurement is introduced for some special velocity measuring occasions like wide spreading range or large caliber projectiles.
在弹道末端，由于弹道降与弹丸散布的存在，用雷达和天幕靶测速装置测试弹丸飞行速度误差很大。
For the fall of trajectory and the scatter of projectiles, there is larger error between the true value and the measured data by radar or Sky Screens.
针对测速系统中弹丸过靶时间提取算法影响测试精度的问题。
Against the problem of measure precise of projectile velocity measurement system because of the method of computing the projectile passing though the target time.
对获得的典型弹片迎风面积和弹片测速数据综合计算，就可获得弹丸初速及弹片衰减系数。
After synthetically calculating the fragment windward area and the measurement data of the speed, we can obtain the initial velocity of the shot and the decay coefficient of the fragment.
传统的弹丸实际初速测速方法有多种，但都是在平台或炮口测量弹丸初速并作时间修正的。
There are many traditional ways measuring the actual muzzle velocity, but all the measurings depend on the platform or are done near the muzzle, then correct the function time.
弹丸着靶坐标和飞行速度以及飞行方向角是外弹道测试中必测参数，本文针对四幕光幕靶和双光幕测速系统的不足，采用六个大靶面光幕靶，构造出了两类六光幕阵列结构。
Because of drawback of four-screen measuring system and two-screen velocity measuring method, an improved six-light-screen array is presented that is composed of six large area light screens.
弹丸着靶坐标和飞行速度以及飞行方向角是外弹道测试中必测参数，本文针对四幕光幕靶和双光幕测速系统的不足，采用六个大靶面光幕靶，构造出了两类六光幕阵列结构。
Because of drawback of four-screen measuring system and two-screen velocity measuring method, an improved six-light-screen array is presented that is composed of six large area light screens.
应用推荐