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大气科学  2003 

合肥上空卷云和沙尘气溶胶退偏振比的激光雷达探测

DOI: 10.3878/j.issn.1006-9895.2003.06.12

Keywords: 偏振激光雷达,卷云,沙尘气溶胶

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Abstract:

研制了一台L300偏振激光雷达,用于卷云和沙尘气溶胶后向散射光退偏振比的探测研究.介绍了偏振激光雷达的探测原理,叙述了L300偏振激光雷达的结构、技术参数、测量方法和数据处理方法.初步的探测结果表明,合肥西郊上空高度在10km左右的卷云的退偏振比在0.4~0.5之间,沙尘气溶胶的退偏振比在0.2~0.3范围内,但是剧烈沙尘暴的气溶胶的退偏振比可达到0.4左右.

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