非相干多普勒测风激光雷达鉴频算法

风场对大气的运动状态和运动趋势具有很强的代表性,所以风场的测量精度对数值天气预报和气候研究都至关重要。激光雷达具有很高的时空分辨率,在近几十年发展迅速,在对地观测中的作用越来越大,尤其在大气风场的探测中得到了很大的应用。本文从探测原理、分类和技术等方面分别对多普勒测风激光雷达进行了介绍,并着重总结了非相干多普勒测风激光雷达的多普勒频移算法,可以为我国星载激光雷达的研究提供参考。

The algorithm of frequency discrimination of incoherent Doppler wind lidar

The wind field has a strong representation of the motion state and movement trend of the atmosphere,so the accurate measurement of the wind field is crucial to the numerical weather forecast and climate study.With high space-time resolution,lidar has been developing rapidly in recent decades and playing an increasingly important role in earth observation,especially in the exploration of atmospheric wind field.In the paper,detection principle,classification and technology of Doppler wind lidar are introduced,and the Doppler frequency shift algorithm of incoherent Doppler wind lidar is emphatically summarized.So the paper can provide reference for the research of space-borne lidar in China.