天气雷达新技术与新设备  

New Technologies and Equipment of Weather Radar

作　　者：潘锴 张健 李忱 高玉春[3] PAN Kai;ZHANG Jian;LI Chen;GAO Yuchun(Nanjing NRIET Industrial Company,Nangjing 211106,China;Meteorological Bureau of Ganzi Tibetan Autonomous Prefecture,Kangding 626000,China;Meteorological Observation Center of CMA,Beijing 100081,China)

机构地区：[1]南京恩瑞特实业有限公司,南京211106 [2]四川省甘孜藏族自治州气象局,四川康定626000 [3]中国气象局气象探测中心,北京100081

出　　处：《现代雷达》2022年第6期32-39,共8页Modern Radar

摘　　要：天气雷达在灾害性天气预警中发挥着至关重要的作用,近年来发展了多项天气雷达新技术。首先,概述了平面相控阵、曲面共形相控阵、稀疏阵、泛探雷达、无源探测、认知雷达等技术在天气雷达中的研究和应用;其次,介绍了新信号处理算法,包括波形设计、谱处理、副瓣白化等,特别是利用这些技术在天气雷达探测性能提升方面的研究;最后,介绍了采用最新天气雷达技术的大兴机场相控阵天气雷达。Weather radar plays an important role in disastrous weather early warning.In recent years,a number of new weather radar technologies have been developed.Firstly,the research and application of plane phased array,curved conformal phased array,sparse array,ubiquitous radar,passive detection and cognitive radar in weather radar are summarized.Secondly,it introduces the new signal processing algorithms,including waveform design,spectrum processing,sidelobe whitening and so on,especially the research on improving the detection performance of weather radar by using these technologies.Finally,the Daxing airport phased array weather radar using the latest weather radar technology is introduced.

关 键 词：天气雷达 相控阵 稀疏阵 泛探雷达 无源探测 认知雷达 副瓣白化 

分 类 号：TN959.4[电子电信—信号与信息处理]