학술논문

基于二维相控阵体制的探鸟雷达系统 / Airport Avian Radar Systems with Two-Dimensional Phased Array
Document Type
Academic Journal
Source
信号处理 / Journal of Signal Processing. 40(1):166-184
Subject
探鸟雷达
凝视模式
低空探测
目标识别
数据融合
airport avian radar systems
staring mode
low altitude detection
target identification
data fusion
Language
Chinese
ISSN
1003-0530
Abstract
随着环境的改善和航空事业的迅速发展,野生动物与航空器的冲突愈发尖锐,其中鸟击事件占野生动物袭击事件的90%以上.据统计,鸟击事件每年给全世界航空业带来超过20亿美元的损失,是影响世界航空业的头号危害.针对鸟击事件对航空器造成巨大危害的问题,必须对鸟情进行持续、全面的观察,其目的一方面是当观察到大量鸟类聚集活动时,可以及时指导飞行员进行规避、对鸟群进行驱赶;另一方面,通过长期数据积累,可以对鸟类的生物学和运动学特征进行研究,进而实施有针对性的防治措施.基于上述需求,雷达技术以其全天时、全天候、大范围、远距离、高精度等优势,在机场鸟情防治中得到了迅速的发展与应用,并发挥了重要作用.本文首先概要介绍了国内外鸟击事故整体情况及传统的鸟情探测手段,指出雷达技术在机场鸟击防范应用中的优势;其次,较为全面地介绍了探鸟雷达系统的发展历程,鸟情探测系统的体制、工作模式、探测性能等相应的发展情况;然后,对雷达在鸟情探测中的应用难点进行分析,并从系统体制、目标探测、目标识别等角度出发,对相应关键技术的研究进展进行说明;接着,对国内外典型探鸟雷达系统的技术状态和应用情况进行了对比,并对北京理工雷科电子信息技术有限公司的圆柱形二维有源相控阵探鸟雷达系统的研究进展进行了介绍;最后,对探鸟雷达技术的发展做出总结与展望.
Environmental improvements and the rapid development of aviation have led to increased conflicts between wildlife and aircraft,with bird strikes accounting for more than 90%of wildlife attacks.According to statistics,bird strikes have cost the world's aviation industry more than $2 billion a year.Bird strikes have been a problem of great harm to aircraft,and bird conditions must be continuously and comprehensively observed.The purpose of the above problems was,on the one hand,when a large number of birds have been observed,it can guide the pilot to avoid and drive away the birds in time;on the other hand,through long-term data accumulation,the biological and kinematic characteristics of birds can be studied,and then targeted control measures can be implemented.According to the de-mand,radar technology can observe the bird situation all day,all weather,large range,long distance and high preci-sion,and has been rapidly developed and applied in the control of bird situation in the airport,and has played an impor-tant role.In this paper,the overall situation of bird strike accidents at home and abroad,the traditional means of bird situation detection and the advantages of radar technology in the application of bird strike prevention at airports were briefly introduced.Secondly,the paper introduced the development process of the bird detection radar system,the sys-tem,working mode and detection performance of the bird situation detection system.Thirdly,the paper analyzed the ap-plication difficulties of radar in bird situation detection,and explained the research progress of the key technologies from the perspectives of system,target detection and target recognition.Fourthly,the technical status and application of typical bird detection radar systems at home and abroad were compared,and the research progress of the cylindrical two-dimensional phased array bird detection radar system of Beijing Racobit Electronic Information Technology Co.,Ltd.was introduced.Finally,this paper summarized and looks forward to the development of bird detection radar technology.