复杂气象条件下机载中波红外系统对地目标探测识别仿真与运用研究  

Detection and Identification to Ground Target of Airborne Medium Wave Infrared System in Complex Meteorological Conditions

作　　者：李志伟 LI Zhi-wei(Aviation Maintenance NCO Academy,Air Force Engineering University,Xinyang 464000,China)

机构地区：[1]空军工程大学航空机务士官学校,河南信阳464000

出　　处：《光学与光电技术》2022年第1期134-140,共7页Optics & Optoelectronic Technology

摘　　要：针对3~5μm机载中波红外系统复杂气象条件下对地目标探测识别问题,在理论研究的基础上,采用PcModWin大气仿真软件,进行了清洁大气、雾、云、雨等气象条件下的模拟仿真实验,分析了不同气象条件下不同距离范围内该波段红外辐射透过率分布曲线和峰值参数的变化规律,结合大气分子学理论,证明了探测角度、大气能见度、雾型、云层类型、降雨(雪)强度等,都是影响该波段机载红外系统对地目标探测识别效果的重要因素,提出了工程运用中应当采取的策略方法。研究结果对后续工程试验和运用实践具有指导作用,可提高该波段机载红外系统的应用效果。Aiming at the problem of detecting and identifyingto ground target for 3~5μm airborne medium wave infrared system in complex meteorological conditions,based on the theoretical research,by the use of PcModWin atmospheric simulation software,the simulating experiments are carried out for the meteorological conditions of clearness atmosphere,fog,cloud and rainy.The distribution curves of this wave band infrared radiation transmittance and the variation law of peak parameters in thedifferent distance range under different conditions are analyzed.Combined with the theory of atmospheric molecules,the detection angle,atmospheric visibility,fog type,cloud type,rainfall(snowfall)intensity,etc.,are proved the important factors that affect the effect of detecting and identifying toground target for this wave band airborne infrared system.The strategy methods is put forward which should be taken in engineering application.The researched conclusion not only has an important guiding role in following engineering tests and application practices,but also has an important signification in rising the application effect to thiswave band airborne infrared system.

关 键 词：复杂气象 机载 中波红外 探测识别 红外透过率 

分 类 号：TN215[电子电信—物理电子学]