大气与环境光学学报 ›› 2011, Vol. 6 ›› Issue (1): 33-.

• 大气光学 • 上一篇    下一篇

差分吸收激光雷达通道几何因子修正方法

陶宗明1,2曹开法2汪少林2聂淼1史博1胡顺星2 纪玉峰2 胡欢陵2   

  1. (1炮兵学院基础部物理教研室, 安徽 合肥 230031; 
    2中国科学院安徽光学精密机械研究所中国科学院大气成分与光学重点实验室, 安徽 合肥 230031)
  • 出版日期:2011-01-28 发布日期:2011-03-10
  • 通讯作者: 陶宗明 (1962-),男,安徽含山县人,博士,教授,主要研究方向为激光大气探测、激光雷达技术等。 E-mail:zmtao@aiofm.ac.cn
  • 作者简介:陶宗明 (1962-),男,安徽含山县人,博士,教授,主要研究方向为激光大气探测、激光雷达技术等。
  • 基金资助:

    科技部科技基础性专项(2007FY110700)、国家自然科学基金(40975010)资助

Corrected Method of Channel Geometric Factor for Differential Absorption Lidar

Tao Zongming*1,2 Cao Kaifa2 Wang Shalin2 Nie Miao1 Shi Bo1 Hu Shunxing 2 Ji Yufeng2 Hu Huanling 2   

  1. (1 Section of Physics T&R, Department of Basic Sciences, Artillery Academy, Hefei, Anhui, China, 230031;
    2 Key Laboratory of Atmospheric Composition and Optical Radiation, Anhui Institute of Optics and Fine mechanics, Chinese Academy of Sciences, Hefei, Anhui, 230031, China)
  • Published:2011-01-28 Online:2011-03-10

摘要:

差分吸收激光雷达中二个接收通道的几何因子是不完全相同的,这会导致反演出的污染物浓度在近距离范围内存在一定的偏差。在分析激光雷达通道几何因子形成的基础上,提出用通道几何因子比来修正上述偏差,并给出了通道几何因子比的测量新方法。实验结果表明,这一修正方法是可靠的,实用的。

关键词: 激光雷达, 发射、接收通道, 几何因子比

Abstract:

The geometric factors of two receiver channels in differential absorption lidar are not exactly same, and result in certain bias in near range for retrieval pollutant density. Based on the analysis of formation of channal geometric factor, the ratio of channel geometric factors is proposed for correction, and the method of measuring the ratio of channel geometric factors is intrduced. Experimental results show that this correction method is reliable and practical.

Key words: lidar, transmitter and receiver channel, ratio of geometric factor

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