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单波长与双波长探测平流层臭氧的比较 被引量:1

the stratosphere [J]. Appl. Opt., 1991, 30(15): 2005-2012 Intercomparison of Single-wavelength DIAL and Two-wavelength DIAL Stratospheric Ozone Measurements
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摘要 本文利用安徽光机所的多波长紫外差分吸收激光雷达[1]的探测结果,在平流层背景气溶胶情况下,比较单波长(308 nm)距离差分方法和双波长(308-355nm)差分方法受气溶胶和温度影响的结果.比较结果表明:单波长距离差分方法受温度变化和气溶胶的不均匀影响较大,双波长差分方法受影响较小,两种方法的处理结果有明显差异.30天的平均结果表明;在19km以下,单波长结果与双波长结果相差较大;在19~35km高度区间,单波长结果与双波长结果的相对误差小于12%. In this papers datum obtained by multiwavelength UV-DIAL lidar at Anhui Institute of Optics and Fine Mechanics are used to compare the effects of temperature and aerosol on singlewavelength (308 um) and two-wavelength(308-355 um) DIAL with backgr ound stratospheric aerosol. Results of two methods show that the effects are larger for single-wavelength DIAL but less for two-wavelength DIAL. Calculated results of two methods are different distinctly. A mean value of 30 days show difference of ozone results measured by single-wavelength and twowavelength is comparably large below 19 km altitude. Relative errors of single-wavelength to two-wavelength are less than 12% from the height of 19 km to 35 km.
出处 《量子电子学报》 CAS CSCD 北大核心 2001年第1期82-86,共5页 Chinese Journal of Quantum Electronics
基金 国家自然科学基金资助项目!(49775258) 863计划激光技术领域资助课题.
关键词 臭氧 单波长距离差分 双波长差分 平流层 雷达探测 ozone, single-wavelength DIAL, two-wavelength DIAL
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