叙述了利用激光光幕测试枪弹初速的基本原理,并对激光光幕的形成、测试电路的实现、利用微机进行高精度测速、机械装置的实现等提出了一套可行的方案.在机械装置具有足够高精度的前提条件下,该测试系统能够实现高精度枪弹初速的测试. The basic principle of using the laser light curtain to test the muzzle velocity of a projectile is described and a set of feasible solutions are put forward for the formation of a laser light curtain, the realization of a test circuit, the implementation of a high-precision speed measurement using a computer, the realization of a mechanical device, etc. In a mechanical device with With high enough accuracy, this test system can test high-precision gunshot speed.