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介绍了小口径便携式Mie散射激光雷达的系统结构、技术参数以及激光雷达信号处理的关键技术和处理方法。给出了测量结果,并与Vaisala公司能见度仪的测量结果进行了对比。这种Mie散射激光雷达具有结构紧凑、重量轻的特点,非常适合于进行能见度和大气消光特性时空分布和时间演变特性的研究。同时也可以进行车载或者结合扫描装置进行自动扫描监测,以获取感兴趣的区域颗粒物的时空分布。
This paper introduces the system structure, technical parameters and the key technologies and processing methods of laser radar signal processing for the small-bore portable Mie scattering lidar. The measurement results are given and compared with those of the Vaisala visibility meter. The compact, lightweight Mie scattering lidar is well suited for studying the spatiotemporal distribution and temporal evolution of visibility and atmospheric extinction properties. At the same time can also be carried out on-board or in conjunction with the scanning device for automatic scanning monitoring to obtain the spatial and temporal distribution of particles of interest.