Industrial

DOAS

Extra Form

Country	China
Year	2017
Award	WINNER
Affiliation	Hefei Qidao Industrial Product Design Co., Ltd.
Designer	wangshaohui, huang jing, Anhui Institute of precision optics and machinery
Description(English)	Differential optical absorption spectroscopy, DOAS is a new measurement technique appearing in recently years. The optical remote measuring method which is based on the DOAS technology and used to detect the polluted air distribution above the city, will make continuous measurement in the detected area through the passive DOAS system installed in the vehicle. The sunlight scattered spectrum will be processed with the DOAS fitting method to get the histogram of polluted air at measuring point. This method has a bright application prospect in the field of pollutant emission and the measurement of polluted air distribution in time and space.
Description(Native)	随着经济的高速发展和城市化进程,大气环境呈现出区域性、复合性污染特征,非常需要及时掌握污染排放及其时空分布信息,以分析空气污染的形成机制和污染物的动态时空演化过程.车载被动差分吸收光谱(differential optical absorption spectroscopy, DOAS)技术是近年来出现的一种新型监测技术, 基于其技术探测城市上空污染气体分布的光学遥测方法.采用安装在汽车上的被动DOAS系统对所测城区进行连续测量,通过DOAS拟合方法处理采集的太阳散射光谱,获得测量点上的污染气体柱桁度，其在污染排放以及污染物时空分布监测具有广泛的应用前景.
Website	http://www.qideo.cn

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