弹丸速度测量 measurement of projectile velocity
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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.
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