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介绍了激光测速法在二级轻气炮弹丸速度研究中的应用。为了满足对二级轻气炮毫米级弹丸速度高精度测量的需求,采用激光光束遮断法,研制了毫米级弹丸片状激光测量系统,系统主要包括发射端和接收端两个部分。整个系统可安装于二级轻气炮的炮管延长段,结构紧凑、抗干扰、有效测量范围大,可作为高速弹丸速度测量手段。应用该系统进行了模拟测速实验和二级轻气炮弹丸现场测速实验,并给出了典型测速实验结果。
The application of laser speed measurement in the research of projectile velocity of two-level light gas gun is introduced. In order to meet the requirement of high accuracy measurement of the second level light projectile mm projectile velocity, a laser projectile intercepting method was used to develop a millimeter projectile flaky laser measuring system. The system mainly consists of transmitter and receiver. The whole system can be installed in the second stage of light barrel artillery extension, compact structure, anti-interference, effective measurement range, can be used as a high-speed projectile speed measurement means. The system was used to simulate the speed test and two-speed light gas projectile projectile on-site speed test, and gives the typical speed test results.