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Home > Archive>Volume 39, Issue 6, 2020 >767-777. DOI:10.11972/j.issn.1001-9014.2020.06.015
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Spectral measurement of minerals and gases based on airborne thermal-infrared hyperspectral imaging system
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Affiliation:

1.Key Laboratory of Space Active Optoelectronic Technology， Chinese Academy of Sciences， Shanghai Institute of Technical Physics， Chinese Academy of Sciences， Shanghai 200083， China;2.Hangzhou Institute for Advanced Study，University of Chinese Academy of Sciences，Hangzhou 310024，China;3.Wuhan Center of China Geological Survey ，Central South China Innovation Center for Geosciences， Wuhan 430205，China

Clc Number:

TN215

Fund Project:

Supported by Youth Innovation Promotion Association CAS(2016218), and the National Defense Pre-Research Foundation of China during the 13th Five-Year Plan Period (D040104)

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    Abstract:

    In this paper， we introduced the unique advantages of the thermal infrared hyperspectral imaging in many applications， and then discuss the design to optimize sensitivity of the airborne thermal-infrared hyperspectral imaging system （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 analyzed. Finally， ATHIS is used to carry out laboratory measurements of mineral emission spectrum and gas infrared absorption spectrum. The results show that the data method we proposed for ATHIS can accurately invert mineral emissivity 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 hyperspectral camera and data processing methods.

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LI Chun-Lai, LIU Chen-Yu, JIN Jian, XU Rui, XIE Jia-Nan, LV Gang, YUAN Li-Yin, LIU Xiao, XU Hong-Gen, WANG Jian-Yu. Spectral measurement of minerals and gases based on airborne thermal-infrared hyperspectral imaging system[J]. Journal of Infrared and Millimeter Waves,2020,39(6):767~777

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History
  • Received:May 06,2020
  • Revised:November 23,2020
  • Adopted:July 03,2020
  • Online: November 20,2020
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