| 大气CO2含量分布激光雷达监测 |
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| 引用本文： | 赵曰峰,张寅超,洪光烈,赵培涛,苏嘉,谢军,方欣,刘玉丽,屈凯峰.大气CO2含量分布激光雷达监测[J].量子电子学报,2006,23(3):355-359. |
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| 作者姓名： | 赵曰峰 张寅超 洪光烈 赵培涛 苏嘉 谢军 方欣 刘玉丽 屈凯峰 |
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| 作者单位： | 中国科学院安徽光学精密机械研究所,安徽,合肥,230031 |
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| 基金项目： | 高比容电子铝箔的研究开发与应用项目 |
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| 摘 要： | 为有效地控制温室效应和气候剧变,准确可靠地监测CO2气体的变化就变得十分重要.拉曼雷达测量大气中CO2气体含量是一种技术先进的可靠方法.介绍了利用气体的拉曼散射效应来测量CO2含量分布的拉曼激光雷达,分析了拉曼雷达的基本原理,设计了具体的实验检测系统,介绍了实验系统各工作件参数情况.对拉曼雷达的回波信号的反演方法进行了具体阐述,初步取得了大气中CO2气体含量分布规律,合肥地区的二氧化碳气体含量大约在350～400 ppmv范围内波动.
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| 关 键 词： | 激光技术 二氧化碳气体 拉曼激光雷达 信号反演 |
| 文章编号： | 1007-5461（2006）03-0355-05 |
| 收稿时间： | 2005-11-10 |
| 修稿时间： | 2005-12-20 |
Lidar system for detecting the atmospheric CO2 |
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| ZHAO Yue-feng,ZHANG Yin-chao,HONG Guang-lie,ZHAO Pei-tao,SU Jia,XIE Jun,FANG Xin,LIU Yu-li,QU Kai-feng.Lidar system for detecting the atmospheric CO2[J].Chinese Journal of Quantum Electronics,2006,23(3):355-359. |
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| Authors: | ZHAO Yue-feng ZHANG Yin-chao HONG Guang-lie ZHAO Pei-tao SU Jia XIE Jun FANG Xin LIU Yu-li QU Kai-feng |
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| Abstract: | Detecting the trace gas CO2 reliably is becoming more and more important due to greenhouse effect and climate changing. Using the Raman lidar for monitoring the atmospheric CO2 concentration is an advanced technique. The Raman lidar system based on stimulated Raman scattering (SRS) process is presented, and the basic theory for Raman lidar is introduced. Moreover, the experimental detecting system and its specifications are presented. The retrievable method of Raman lidar backscattered signal is expounded and the law of CO2 density profile is obtained. The concentration for atmospheric CO2 varies about between 350 ppmv and 400 ppmv. |
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| Keywords: | laser techniques CO2 Raman lidar signal retrieve |
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