一种直升机光电系统激光照射精度定量评估方法  

A quantitative evaluation method for laser irradiation accuracy of helicopter photoelectric system

作　　者：张宏刚[1] 张继超[2] 王亚莉[1] 王睿[1] 张晓娜[1] ZHANG Honggang;ZHAGN Jichao;WANGYali;WANG Rin;ZHANG Xiaona(Chinese Flight Test Establishment,Xian 710089,China;Changchun Institute of Optics,Fine Mechanics and Physics,Chinese Academy of Science,Changchun 130033,China)

机构地区：[1]中国飞行试验研究院,陕西西安710089 [2]中国科学院长春光学精密机械与物理研究所,吉林长春130000

出　　处：《光学技术》2023年第5期568-572,共5页Optical Technique

基　　金：国家自然科学基金资助项目(61675202)。

摘　　要：针对直升机光电系统激光照射精度评估问题,提出一种利用短波红外相机监测激光照射光斑实现计算照射精度的方法。利用合适像元尺寸、波段和灵敏度的红外探测器,合适焦距、视场角的镜头,3m×3m十字靶标和摄像机搭建测试环境,实现机载光电系统激光照射光斑摄像监测与数据记录。根据该监测设备摄取的激光光斑监测视频图像,应用数据处理方法解算出机载光电系统的激光照射精度,并在飞行试验中进行了应用,切实可行。A method is proposed to evaluate the laser irradiation accuracy of helicopter optoelectronic systems by using a shortwave infrared camera to monitor the laser irradiation spot and calculate the irradiation accuracy.Infrared detector with appropriate pixel size,band and sensitivity,lens with appropriate focal length and field angle,3m×3m cross target and camera set up the test environment to realize the laser spot camera monitoring and data recording of the airborne photoelectric system.According to the laser spot monitoring video image captured by the monitoring equipment,the laser irradiation accuracy of the airborne photoelectric system is calculated by using the data processing method,and is applied in the flight test,which is feasible.

关 键 词：机载光电系统 激光照射精度 激光光斑监测设备 

分 类 号：TH745[机械工程—光学工程] V248.1[机械工程—仪器科学与技术]