激光光幕靶探测性能研究

Detection Sensitivity Calculation Model of Laser Light Screens

为了改善光幕靶的探测性能,通过建立激光光幕靶的探测灵敏度模型分析了其探测性能。利用红外波段的线激光器构造光幕靶的发射光源,给出了线激光器数量与探测光幕盲区之间的关系;从探测灵敏度的定义出发,结合光幕靶的探测原理,建立了激光光幕靶的探测灵敏度计算模型,说明了靶面内光能分布情况,分析了影响激光光幕靶探测性能的因素。利用仿真对比了激光光强与可见光LED的光强,并说明了激光光幕靶的探测灵敏度与激光器功率的大小成正比。通过实验验证了激光光幕靶的探测性能要明显优于以可见光LED构造光源的传统光幕靶。

To improve the detection performance of laser light screen,through the establishment of detection sensitivity model of laser light screen,its detection performance was analyzed in this paper.The infrared laser was used to construct light screens emitting light,the relationship between detection screen area and the number of line lasers was given.According to the definition of detection sensitivity,combined with the working principle of laser light screen,the detection sensitivity model was set up,the light energy distribution on detection screens were introduced,the influencing factors of laser light screens detection performance was analyzed.Through simulation results,the laser light intensity and the visible LED light intensity was compared,indicating the laser screen target detection sensitivity was proportional to the power of the lasers.Experiment showed the laser light screen had better detection performance than traditional light screen with visible light LED as a light source.