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用于一级轻气炮的弹速激光测量系统

DOI: 10.11858/gywlxb.2003.01.012, PP. 75-80

Keywords: LD激光器,光电探测器,轻气炮,弹速测量,不确定度

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Abstract:

研制了用于Φ57mm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%。

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