红外高光谱成像仪的系统测试标定与飞行验证
投稿时间:2016-04-19  最后修改时间:2016-06-01  点此下载全文
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作者单位E-mail
王建宇 中国科学院上海技术物理研究所 jywang@mail.sitp.ac.cn 
李春来 中国科学院上海技术物理研究所 lichunlai@mail.sitp.ac.cn 
谢峰 中国科学院上海技术物理研究所  
吕刚 中国科学院上海技术物理研究所  
袁立银 中国科学院上海技术物理研究所  
金健 中国科学院上海技术物理研究所  
王跃明 中国科学院上海技术物理研究所  
陈小文 中国科学院上海技术物理研究所  
基金项目:国家高技术研究发展计划(863计划)
中文摘要:红外谱段是高光谱遥感中非常有用的波段,但由于红外波段的能量小、焦平面探测器研制难、红外背景辐射大等原因,红外谱段的高光谱成像系统并不常见,到目前为止仍然处于仪器发展阶段。本文介绍了一台机载热红外高光谱成像仪,它在8.0~12.5μm的光谱范围内可得到180个波段的光谱信息,光谱分辨率优于44nm,光谱定标精度优于1nm。仪器观测总视场14°,空间分辨率优于1mrad,噪声等效温差优于0.2K@300K。
中文关键词:红外高光谱成像  低温光学  光谱分辨率  焦平面组件  光谱定标
 
The Laboratory calibration of A infrared hyperspectral Imager and
Abstract:Infrared spectrum is very useful in the field of hyperspectral remote sensing.Because of the weak energy of infrared spectrum, the difficulty of the development of infrared focal plane, and the strong background, the development of the Infrared Hyperspectral Imaging System is very difficult. So far, the field is still in the laboratory research stage. This paper will presents an airborne infrared hyperspectral imager. It can acquires 180 wavebands in range of 8.0~12.5μm.The spectral resolution of this imager is better than 44nm and the absolute spectral calibration accuracy is better than 1nm. The field of view of this imager is about 14° and the spatial resolution is better than 1mrad. Its noise equivalent temperature difference (NETD) is less than 0.2K@300K.The imager was carried out inZhoushan, Zhejiang, China in june 2015.Analysis shows that the Infrared hyperspectral image data can plays an important role in the field of Surface emissivity inversion and Geological mineral recognition.
keywords:Infrared hyperspectral imager  Cryogenic optics  Spectral resolution  FPA array  spectral resolution
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