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HJ-1A HSI on-orbit radiometric calibration and validation research 被引量:10
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作者 GAO HaiLiang GU XingFa +3 位作者 YU Tao GONG Hui LI JiaGuo LI XiaoYing 《Science China(Technological Sciences)》 SCIE EI CAS 2010年第11期3119-3128,共10页
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 da... 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. 展开更多
关键词 HJ-1A hyper spectral imager(HSI) radiometric calibration VALIDATION confidence interval
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