“猫眼”效应在激光干扰效果实时评估中的应用  

The application of“cat-eye”effect in real-time evaluation of laser directional jamming effect

作　　者：陈琳 何衡湘[1] 万勇[1] 邓洪峰[1] CHEN Lin;HE Hengxiang;WAN Yong;DENG Hongfeng(Southwest Institute of Technical Physics, Chengdu 610041, China)

机构地区：[1]西南技术物理研究所,成都610041

出　　处：《激光技术》2020年第5期633-638,共6页Laser Technology

摘　　要：为了对非合作条件下激光干扰效果进行实时评估,根据“猫眼”效应形成原理,提出一种利用猫眼回波强度来评估激光干扰效果的新方法。分析了激光入射角、激光发射功率与距离对“猫眼”回波功率的影响,研究并实验验证了“猫眼”回波功率与光电成像系统被激光干扰效果之间的关系。结果表明,“猫眼”回波功率受激光干扰距离和干扰激光入射角影响最大,当对抗反坦克导弹时,回波探测器离激光源的距离超过50m,回波功率和干扰持续时间显著下降,可见“猫眼”效应原理用于激光定向干扰效果实时评估是可行的。这一结论对激光定向干扰设备技术研究具有一定的参考意义。In order to evaluate the effect of laser interference under non-cooperative conditions,a new method was proposed to evaluate the effect of laser interference by using“cat-eye”echo intensity by the forming principle of“cat-eye effect”.The influence of laser incidence angle,laser jamming power,and distance on the echo power of“cat-eye”was analyzed.The relationship between the power of“cat-eye”echo and the laser jamming effect of the photoelectric imaging system was obtained.The results show that the echo power of the“cat-eye”was mostly affected by the laser interference distance and the interference laser incidence angle,and the echo power and interference duration decreased significantly when the distance of the echo detector from the laser source exceeded 50m while jamming anti-tank missiles.It was feasible to apply the principle of“cat-eye”effect to evaluate the effect of laser directional jamming in real time.The conclusion had certain reference significance for laser directional jamming equipment.

关 键 词：激光技术 效能评估 “猫眼”效应 几何光学 回波功率 

分 类 号：TN977[电子电信—信号与信息处理] TJ765.3[电子电信—信息与通信工程]