星载多普勒测风激光雷达应用需求与研究进展  

Application Requirements and Research Progress of Spaceborne Doppler Wind Lidar

作　　者：陈炳龙 杨忠东[1] 闵敏 刘继桥[3] 赵一鸣 王富 Chen Binglong;Yang Zhongdong;Min Ming;Liu Jiqiao;Zhao Yiming;Wang Fu(Key Laboratory of Radiometric Calibration and Validation for Environmental Satellites China Meteorological Administration National Satellite Meteorological Center,Beijing 100081,China;Guangdong Province Key Laboratory for Climate Change and Natural Disaster Studies School of Atmospheric Sciences Sun Yat-Sen University Zhuhai,Guangdong 519082,China;Key Laboratory of Space Laser Communication and Detection Technology Shanghai Institute of Optics and Fine Mechanics Chinese Academy of Sciences,Shanghai 201800,China;Beijing Research Institute of Telemetry,Beijing 100076,China)

机构地区：[1]国家卫星气象中心中国气象局中国遥感卫星辐射测量和定标重点开放实验室,北京100081 [2]中山大学大气科学学院广东省气候变化与自然灾害研究重点实验室,广东珠海519082 [3]中国科学院上海光学精密机械研究所空间激光信息传输和探测技术重点实验室,上海201800 [4]北京遥测技术研究所,北京100076

出　　处：《激光与光电子学进展》2020年第19期30-41,共12页Laser & Optoelectronics Progress

基　　金：国家自然科学基金(41975031,41975020);国防科工局十三五民用航天专业技术预先研究项目(D040103)。

摘　　要：星载多普勒测风激光雷达是目前能够有效获取全球大气三维风场的主动探测设备,能够弥补气象卫星被动探测的不足,对其需求和进展的综述研究具有重要的意义。首先阐述了天气预报精度提升、数值模式同化和气候变化研究等领域对全球三维风场探测的迫切需求;接着回顾了相干探测、直接探测和混合探测三种体制的星载多普勒测风激光雷达的发展历程,并总结了当前星载测风激光雷达研究所面临的挑战;然后根据我国多普勒测风激光雷达的研究现状,归纳出我国星载测风激光雷达发展所急需解决的七类关键技术;最后指出星载混合体制测风激光雷达结合了相干探测和直接探测的优势,既能降低研制成本,又能提高大气垂直风廓线探测精度,是未来星载测风激光雷达的主要发展方向。A spaceborne Doppler wind lidar is an efficient active detection device that can be used to obtain the global three-dimensional atmospheric wind field in global scale.It is able to make up for the weakness of passive sensing of meteorological satellites.The review for its requirements and progress indicates important scientific significance.First,this study describes the urgent needs for three-dimensional wind fields in various fields such as accuracy improvement of weather forecast,numerical weather forecast model assimilation,and global climate change research.Then,it reviews the development history of spaceborne wind lidar based on three schemes of coherent detection,direct detection and hybrid detection,and summarizes the challenges of the present spaceborne wind lidar.After that,according to the research progress of Chinese Doppler wind lidar,this paper summarizes the current seven key and unsolved technologies of Chinese spaceborne wind lidar.Finally,it is suggested that the spaceborne hybrid wind lidar with the advantages of both coherent detection and direct detection can well reduce the research and fabrication cost and significantly enhance the detection accuracy of atmospheric vertical wind profiles,and the spaceborne hybrid wind lidar will be the future trend in the field of spaceborne wind lidar.

关 键 词：测量 星载激光雷达 风场探测 相干探测 直接探测 

分 类 号：P414[天文地球—大气科学及气象学]