便携式相干激光测风雷达系统研制及风场探测  

Development of portable coherent wind lidar system and wind field detection

作　　者：SAKLAKOVA Viktoriia 刘庆 余人麟 张健 孙东松[1,2] 郑俊[1,2] SAKLAKOVA Viktoriia;LIU Qing;YU Renlin;ZHANG Jian;SUN Dongsong;ZHENG Jun(School of Earth and Space Sciences,University of Science and Technology of China,Hefei,230026,China;Key Laboratory of Geospace Environment,Chinese Academy of Sciences,Hefei,230026,China;Key Laboratory of Atmospheric Optics,Anhui Institute of Optics and Fine Mechanics,HFIPS,Chinese Academy of Sciences,Hefei,230031,China;Beijing Airda Electronic Equipment Co.,Beijing,102200,China)

机构地区：[1]中国科学技术大学地球和空间科学学院,安徽合肥230026 [2]中国科学院近地空间环境重点实验室,安徽合肥230026 [3]中国科学院合肥物质科学研究院安徽光学精密机械研究所,中国科学院大气光学重点实验室,安徽合肥230031 [4]北京爱尔达电子设备有限公司,北京102200

出　　处：《大气与环境光学学报》2024年第5期519-528,共10页Journal of Atmospheric and Environmental Optics

基　　金：国家自然科学基金(2104146)。

摘　　要：研制了一种便携式相干激光雷达系统,该系统具有结构紧凑、体积小、重量轻、自动化程度高等优点,系统整体重量不超过15 kg,可蓄电池工作。该系统采用了一种快速频率处理算法,提高了多普勒频移处理速度,相比传统的处理方法单个径向风速处理时间缩短了3倍。系统经过外场实验验证,探测高度达到1.5 km,风速探测范围为0~50 m/s。A portable coherent lidar system has been developed,which has the advantages of compact structure,small volume,lightweight,and high degree of automation.The overall weight of the system is no more than 15 kg,and the lidar can work using only a battery.The system adopts a fast frequency processing algorithm to improve the processing speed of the Doppler frequency shift,and compared with the traditional processing methods,the processing time of radial wind speed of this system is reduced by three times.The performance of the system has been validated in field experiment,and it shows that the detection height of the system reaches 1.5 km and the detection range of wind speed is 0-50 m/s.

关 键 词：相干激光雷达 多普勒频率 风 边界层 

分 类 号：P414[天文地球—大气科学及气象学]