基于微脉冲激光雷达与微波辐射计的过冷水云识别算法

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摘要在野外人工增雨作业中,对过冷水云的观测十分重要。文章实现了一种基于微脉冲激光雷达、微波辐射计等多种地基遥感观测手段复合的过冷水云观测识别算法。算法提出利用微波辐射计的红外云底高度观测数据,可以辅助激光雷达较好地区分云层与气溶胶层,获得更为可靠的云识别产品,进而基于激光雷达的粒子偏振信息和微波辐射计温度廓线识别出过冷水云,与毫米波雷达的同步观测结果进行比对,验证了算法的可靠性。

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	马明
	初奕琦
	刘可邦
	杨川
	王志锐

关键词 ：大气遥感, 过冷水云, 微脉冲激光雷达, 微波辐射计, 云相态识别

Abstract：During artificial rainfall enhancement operation conducted outdoors,the observation of super-cooled cloud is extremely important.This paper realizes a super-cooled cloud observation recognition algorithm,which is based on multiple means for remote sensing observation of foundation,such as micro-pulse laser radar,microwave radiometer,etc.According to the algorithm,the infrared cloud base height of microwave radiometer is proposed to be used,in order to support the laser radar to better distinguish the cloud layer from aerosol layer and obtain more reliable cloud recognition products.Then the particle polarization information of laser radar and the temperature profile of microwave radiometer can be based to recognize the super-cooled water cloud and make it compared with the simultaneous observation results from millimeter wave radar,thus making the reliability of algorithm verified.

Key words： atmospheric remote sensing super-cooled water cloud micro-pulse laser radar microwave radiometer cloud phase recognition

收稿日期: 2022-03-19

ZTFLH:

TN958.98

基金资助:国家重点研发计划项目“X波段阵列天气雷达系统合作开发”(2016YFE0206900)资助.

通讯作者: 初奕琦(1991),男,博士,高级工程师.主要从事气象综合观测研究工作.

作者简介: 马明(1977),男,硕士,高级工程师.主要从事气象海洋信息工程研究工作.

引用本文:

马明, 初奕琦, 刘可邦, 杨川, 王志锐. 基于微脉冲激光雷达与微波辐射计的过冷水云识别算法[J]. 气象水文海洋仪器, 2023, 40(2): 86-90. Ma Ming, Chu Yiqi, Liu Kebang, Yang Chuan, Wang Zhirui. Micro-pulse laser radar and microwave radiometer based super-cooled water cloud recognition algorithm. Meteorological Hydrological and Marine Instrument, 2023, 40(2): 86-90.

链接本文:

http://www.qxswhy.com/CN/ 或 http://www.qxswhy.com/CN/Y2023/V40/I2/86

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