| 差分吸收光谱法测量大气污染的浓度反演方法研究 |
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| 引用本文： | 周斌,刘文清,齐峰,李振壁,崔延军.差分吸收光谱法测量大气污染的浓度反演方法研究[J].物理学报,2001,50(9):1818-1823. |
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| 作者姓名： | 周斌 刘文清 齐峰 李振壁 崔延军 |
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| 作者单位： | 中国科学院安徽光学精密机械研究所环境监测研究室,合肥230031 |
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| 基金项目： | 中国科学院知识创新工程(批准号:kgcx2-403)资助的课题. |
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| 摘 要： | 介绍了差分光学吸收光谱法(DOAS)测量大气污染气体浓度的基本原理,描述了对测量光谱所作的一些必要处理,对最小二乘法作了简单介绍,并将它用在DOAS方法中的浓度反演中,通过与当地监测站的数据进行对比,证明了最小二乘法非常适用于DOAS方法中的浓度反演.
关键词：
差分光学吸收光谱法
光谱处理
最小二乘法
环境监测
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| 关 键 词： | 差分光学吸收光谱法 光谱处理 最小二乘法 环境监测 |
| 收稿时间： | 2000-11-17 |
| 修稿时间： | 4/3/2001 12:00:00 AM |
STUDY OF CONCENTRATION RETRIEVING METHOD IN DIFFERENTIAL OPTICAL ABSORPTION SPECTROSCOPY FOR MEASURING AIR POLLUTANTS |
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| ZHOU BIN,LIU WEN-QING,QI FENG,LI ZHEN-BI and CHUI YAN-JUN.STUDY OF CONCENTRATION RETRIEVING METHOD IN DIFFERENTIAL OPTICAL ABSORPTION SPECTROSCOPY FOR MEASURING AIR POLLUTANTS[J].Acta Physica Sinica,2001,50(9):1818-1823. |
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| Authors: | ZHOU BIN LIU WEN-QING QI FENG LI ZHEN-BI and CHUI YAN-JUN |
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| Abstract: | The principle of differential optical absorption spectroscopy (DOAS) for measuring the concentration of air pollutants is presented. The adjustment of measured spectra and the least-squares method are also described .We have been using this method in retrieving the concentration of air pollutants and measuring the air pollutants for a long time and the results were coincident with circumstances. This method was proved very suitable for retrieving the concentration of air pollutants in DOAS system and provides a good technique for environmental monitoring. |
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| Keywords: | DOAS spectrum adjustment least-squared method environmental monitoring |
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