Spectral measurement of minerals and gases based on airborne thermal-infrared hyperspectral imaging system

IF 0.6 4区 物理与天体物理 Q4 OPTICS
Li Chunlai, Liu Chen-yu, Jin Jian, Xu Rui, Xie Jia-Nan, Lyu Gang, Yuan Li-Yin, Liu Xiao, Xu Hong-gen, Wang Jian-yu
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Abstract

In this paper,we introduced the unique advantages of the thermal infrared hyperspectral imaging in many ap‐ plications,and then discuss the design to optimize sensitivity of the airborne thermal-infrared hyperspectral imaging sys‐ tem(ATHIS). Additionally,we establish emission spectrum of laboratory minerals and build the radiation model to measure the absorption spectrum of gas,with which the procession of separation of spectrum and temperature is ana‐ lyzed. Finally,ATHIS is used to carry out laboratory measurements of mineral emission spectrum and gas infrared ab‐ sorption spectrum. The results show that the data method we proposed for ATHIS can accurately invert mineral emissivi‐ ty spectrum and gas absorption spectrum. In the future,ATHIS will be used to carry out multi-platform remote sensing application experiments,which will lay the foundation for future development of space-borne thermal infrared hyper‐ spectral camera and data processing methods.
基于机载热红外高光谱成像系统的矿物和气体光谱测量
本文介绍了热红外高光谱成像在许多应用中的独特优势,然后讨论了优化机载热红外高光谱成像系统(ATHIS)灵敏度的设计。此外,我们建立了实验室矿物的发射光谱,并建立了辐射模型来测量气体的吸收光谱,分析了光谱和温度分离的过程。最后,利用ATHIS进行了矿物发射光谱和气体红外吸收光谱的实验室测量。结果表明,本文提出的ATHIS数据方法可以准确地反演矿物发射光谱和气体吸收光谱。未来,ATHIS将用于开展多平台遥感应用实验,为未来星载热红外高光谱相机和数据处理方法的发展奠定基础。
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来源期刊
CiteScore
1.20
自引率
14.30%
发文量
4258
审稿时长
2.9 months
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