用于一级轻气炮的弹速激光测量系统

王翔; 王为; 傅秋卫

doi:10.11858/gywlxb.2003.01.012

用于一级轻气炮的弹速激光测量系统

doi: 10.11858/gywlxb.2003.01.012

中国工程物理研究院流体物理研究所冲击波物理与爆轰物理实验室，四川绵阳 621900

详细信息

通讯作者:
王翔

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出版历程
- 收稿日期: 2002-01-16
- 修回日期: 2002-03-30
- 发布日期: 2003-03-05

A System Utilizing Laser Diode for Gas-Gun Projectile Velocity Measurement

Laboratory for Shock Wave and Detonation Physics Research, Institute of Fluid Physics, CAEP, Mianyang 621900, China

More Information

Corresponding author: WANG Xiang

摘要

摘要: 研制了用于57 mm一级轻气炮的激光测速系统，采用红光LD作光源，PIN作为光电探测器，并研制了专用前置放大器，整个系统集成于炮管延长段中，不仅具有结构简单紧凑、抗振动、易于准直，而且避免了弹丸的自由飞，保持了极小的碰撞角。采用该系统已成功地测量了非标准异型弹丸和非金属弹丸的速度，速度测量的相对不确定度小于0.2%。
- LD激光器 /
- 光电探测器 /
- 轻气炮 /
- 弹速测量 /
- 不确定度
Abstract: A new system utilizing laser diode and PIN for gas-gun projectile velocity measurement were developed in 1997. The system is integrated in a barrel extension. It not only has the advantages of simple structure and vibration resistance but also has easiness of collimation. In addition, it is helpful to keep smaller tilt and to avoid projectile free-flying before it impacts the target. It has been used successfully to measure the velocity of irregular or nonmetallic projectile. The relative measurement uncertainty is less than 0.2%.
- laser diode /
- O/E detector /
- gas-gun /
- projectile velocity measurement /
- uncertainty

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参考文献(17)

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