Radiation Calibration for LWIR Hyperspectral imager Spectrometer

被引：0
|
作者：
Yang Zhixiong [1 ]
Yu Chunchao [1 ]
Zheng Weijian [1 ]
Lei Zhenggang [1 ]
Yan Min [1 ]
Yuan Xiaochun [1 ]
Zhang Peizhong [1 ]
机构：
[1] Kunming Inst Phys, Kunming 650223, Peoples R China
来源：
MULTISPECTRAL, HYPERSPECTRAL, AND ULTRASPECTRAL REMOTE SENSING TECHNOLOGY, TECHNIQUES AND APPLICATIONS V | 2014年 / 9263卷
关键词：
Hyperspectral imageing Spectrometer; LWIR; linear calibration; blackbody radiation; brightness temperature; RADIOMETRIC CALIBRATION;
D O I：
10.1117/12.2071097
中图分类号：
TP7 [遥感技术];
学科分类号：
081102 ; 0816 ; 081602 ; 083002 ; 1404 ;
摘要：
The radiometric calibration of LWIR Hyperspectral imager Spectrometer is presented. The lab has been developed to LWIR Interferometric Hyperspectral imager Spectrometer Prototype(CHIPED-Iota) 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 objectis is converted the brightness temperature spectrum by the method of brightness temperature. The result indicated (dagger)that this method of Radiation Calibration calibration was very good.
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页数：11
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