| MODIS可见近红外波段定标与真实性检验 |
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| 引用本文： | 巩慧,田国良,余涛,高海亮,顾行发,张玉香.MODIS可见近红外波段定标与真实性检验[J].北京交通大学学报(自然科学版),2010,34(1):109-113. |
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| 作者姓名： | 巩慧 田国良 余涛 高海亮 顾行发 张玉香 |
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| 作者单位： | 中国科学院,遥感应用研究所,北京,100101;北京交通大学,土木建筑工程学院,北京,100044;中国科学院,遥感应用研究所,北京,100101;中国气象局,国家卫星气象中心,北京,100081 |
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| 基金项目： | 国家“863”无场地定标关键技术项目(2006AA12Z113) |
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| 摘 要： | 提高卫星遥感数据的质量,进而实现定量化应用,其基本前提和关键在于传感器的绝对辐射定标.为检验Terra卫星MODIS(Moderate-Resolution Imaging Spectroradiometer)传感器的星上定标系数的准确性和可靠性,2007-05在北京遥感综合实验场网内蒙二连浩特实验场,采用反射率基辐射定标方法对MODIS可见-近红外波段开展定标与真实性检验.结果表明,场地定标系数和MODIS的星上系数非常吻合,相对差异小于6%,证明场地反射率基辐射定标方法定标和MODIS星上定标得到的定标系数均准确、可信度高.
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| 关 键 词： | 定标与真实性检验 定标系数 反射率基辐射定标方法 MODIS |
Calibration and Validation of MODIS Visible and Near-Infrared Bands |
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| GONG Hui,TIAN Guoliang,YU Tao,GAO Hailiang,GU Xingfa,ZHANG Yuxiang.Calibration and Validation of MODIS Visible and Near-Infrared Bands[J].JOURNAL OF BEIJING JIAOTONG UNIVERSITY,2010,34(1):109-113. |
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| Authors: | GONG Hui TIAN Guoliang YU Tao GAO Hailiang GU Xingfa ZHANG Yuxiang |
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| Institution: | 1.IRSA;CAS;Beijing 100101;China;2.School of Civil Engineering;Beijing Jiaotong University;Beijing 100044;3.National Satellite Meteorological Center;China Meteorological Administration;Beijing 100081;China |
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| Abstract: | Radiometric calibration is the key to improving quality and quantitative applications of the remote sensor data.A comprehensive calibration and validation experiment of MODIS(Moderate-Resolution Imaging Spectroradiometer)visible and near-infrared bands was performed by National Spaceborne Demonstration at the ErLianhot test site in May 2007 in order to validate the veracity of MODIS on-orbit calibration coefficients.The reflectance-based calibration method was used. It was found that the vicarious calibrati... |
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| Keywords: | radiometric calibration and validation calibration coefficient reflectance-based method MODIS |
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