HJ-1A HSI on-orbit radiometric calibration and validation research

被引：24

作者：

Gao HaiLiang ^{[1
,2
,3
,4
]}

Gu XingFa ^{[1
,2
,4
]}

Yu Tao ^{[1
,2
,4
]}

Gong Hui ^{[1
,2
,3
,4
]}

Li JiaGuo ^{[1
,2
,3
,4
]}

Li XiaoYing ^{[1
,2
,4
]}

机构：

[1] Chinese Acad Sci, State Key Lab Remote Sensing Sci, Inst Remote Sensing Applicat, Beijing 100101, Peoples R China

[2] Beijing Normal Univ, Beijing 100101, Peoples R China

[3] Chinese Acad Sci, Grad Univ, Beijing 100039, Peoples R China

[4] Ctr Natl Spaceborne Demonstrat, Beijing 100101, Peoples R China

来源：

SCIENCE CHINA-TECHNOLOGICAL SCIENCES | 2010年 / 53卷 / 11期

关键词：

HJ-1A; hyper spectral imager (HSI); radiometric calibration; validation; confidence interval; VICARIOUS CALIBRATION; STABILITY; SENSORS; SITES; ASTER;

D O I：

10.1007/s11431-010-4113-2

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The calibration experiment data at Dunhuang radiometric calibration site in October, 2008 were used to achieve the on-orbit radiometric calibration for HJ-1A hyper spectral imager (HSI). Two other field experiments data were used to validate the Dunhuang calibration results. One field experiment took place in Inner-Mongolia, China in September, 2008, and the other field experiment took place in Lake Frome, Australia in February, 2009. Finally, the 'confidence interval of calibration error' concept was put forward for quantitatively computing the calibration coefficient error confidence interval. The results showed that the Dunhuang calibration results in 2008 had high reliability. The confidence intervals of calibration error for all HSI channels were between 2% to 12%, which could satisfy the requirement of the HSI quantitative applications.

引用

页码：3119 / 3128

页数：10

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