Radiation calibration for LWIR Hyperspectral Imager Spectrometer

Zhixiong Yang; Chunchao Yu; Wei-jian Zheng; Zhenggang Lei; Min Yan; Xiaochun Yuan; Peizhong Zhang

doi:10.1117/12.2071097

18 December 2014 Radiation calibration for LWIR Hyperspectral Imager Spectrometer

Zhixiong Yang, Chunchao Yu, Wei-jian Zheng, Zhenggang Lei, Min Yan, Xiaochun Yuan, Peizhong Zhang

Proceedings Volume 9263, Multispectral, Hyperspectral, and Ultraspectral Remote Sensing Technology, Techniques and Applications V; 926329 (2014) https://doi.org/10.1117/12.2071097
Event: SPIE Asia-Pacific Remote Sensing, 2014, Beijing, China

Abstract

The radiometric calibration of LWIR Hyperspectral imager Spectrometer is presented. The lab has been developed to LWIR Interferometric Hyperspectral imager Spectrometer Prototype(CHIPED-Ⅰ) to study Lab Radiation Calibration, Two-point linear calibration is carried out for the spectrometer by using blackbody respectively. Firstly, calibration measured relative intensity is converted to the absolute radiation lightness of the object. Then, radiation lightness of the object is is converted the brightness temperature spectrum by the method of brightness temperature. The result indicated †that this method of Radiation Calibration calibration was very good.

Citation Download Citation

Zhixiong Yang, Chunchao Yu, Wei-jian Zheng, Zhenggang Lei, Min Yan, Xiaochun Yuan, and Peizhong Zhang "Radiation calibration for LWIR Hyperspectral Imager Spectrometer", Proc. SPIE 9263, Multispectral, Hyperspectral, and Ultraspectral Remote Sensing Technology, Techniques and Applications V, 926329 (18 December 2014); https://doi.org/10.1117/12.2071097

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