[1]刘秉琦,余皓,闫宗群,等.均匀大气中氧气A带平均透过率快速计算模型[J].红外技术,2018,40(11):1056-1060.[doi:10.11846/j.issn.1001_8891.201811006]
　LIU Bingqi,YU Hao,YAN Zongqun,et al.A Fast Calculation Model for Average Transmission of Oxygen A Absorption Band in Homogeneous Atmosphere[J].Infrared Technology,2018,40(11):1056-1060.[doi:10.11846/j.issn.1001_8891.201811006]
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均匀大气中氧气A带平均透过率快速计算模型
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《红外技术》[ISSN:1001-8891/CN:CN 53-1053/TN]

卷:
40
期数:
2018年第11期
页码:
1056-1060
栏目:
出版日期:
2018-11-21

文章信息/Info

Title:
A Fast Calculation Model for Average Transmission of Oxygen A Absorption Band in Homogeneous Atmosphere

文章编号:
1001-8891(2018)11-1056-05
作者:
刘秉琦1; 余皓1; 闫宗群2; 张瑜3; 陈一超1; 张帅1
1. 陆军工程大学 石家庄校区 电子与光学工程系； 2. 装甲兵工程学院控制工程系；
3. 北京系统工程研究所

Author(s):
LIU Bingqi1; YU Hao1; YAN Zongqun2; ZHANG Yu3; CHEN Yichao1; ZHANG Shuai1
1. Department of Electronics and Optics Engineering, Army Engineering University Shijiazhuang Campus,;?
2. Department of Control Engineering, Academy of Armored Force Engineering;
3. Beijing Institute of System Engineering

关键词:
气体光谱; 逐线积分; 氧气A吸收带; 平均透过率
Keywords:
gas spectra; line-by-line; the oxygen A absorption band; average transmission
分类号:
O433.5
DOI:
10.11846/j.issn.1001_8891.201811006
文献标志码:
A
摘要:
利用逐线积分方法，建立了一种均匀大气中氧气A吸收带平均透过率快速计算模型。模型采用等波数间隔取样，能根据大气温度和压强自动选择谱线线形，并利用直和模型进行快速近似计算Voigt线形函数。在不同大气模式下设置不同传输路径，利用该模型计算氧气A带平均透过率与路径长度关系曲线，并将计算结果与Modtran软件计算结果进行对比。从对比结果可知，不同路径下模型计算的平均氧气透过率最大相对误差均小于2%，计算时间均小于1 s，具有较高的准确度和计算实时性。计算结果表明该模型能够在均匀大气中对氧气A带平均透过率进行快速准确计算。
Abstract:
A fast calculation model for the average transmission of the oxygen A absorption band in a homogeneous atmosphere is established using the line-by-line integration method. In this model, the sampling interval is set constant, the spectral line profile can be selected automatically according to the pressure and the temperature, and an analytical sum formula is used to approximate the Voigt profile, which improves the efficiency of the calculation significantly. To test the accuracy and adaptability of this proposed model, several different transmission paths are set in three different atmospheric modes, and the proposed model is used to calculate the relationship between the average transmission of the oxygen A absorption band and the path length. The results are compared with the calculations of modtran, which showed that the maximum relative error of the average transmission is less than 2%, and the calculation time is less than 1 s. These calculation results showed that this proposed model can quickly and accurately calculate the average transmission of the oxygen A absorption band in a homogeneous atmosphere.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期：2018-06-07；修订日期：2018-08-14.
作者简介：刘秉琦（1962-），男，博士，教授，主要从事光电对抗和光电检测方面的研究。E-mail：liubingqi930@sina.com。

更新日期/Last Update: 2018-11-20