溯源于空间低温绝对辐射计的太阳反射谱段基准载荷研究进展(特邀)  

Progress in Development of Radiometric Benchmark Payload of Solar Reflected Waveband Traced to Space Cryogenic Absolute Radiometer(Invited)

作　　者：叶新[1] 方伟[1] 胡秀清[2] 张亚超 衣小龙 李博[1] 徐楠[3] 全加[4] 孙德[5] 王玲[2] 唐洪钊 桂利佳[7] Ye Xin;Fang Wei;Hu Xiuqing;Zhang Yachao;Yi Xiaolong;Li Bo;Xu Nan;Quan Jia;Sun De;Wang Ling;Tang Hongzhao;Gui Lijia(Space Optics Department I,Changchun Institute of Optics,Fine Mechanics and Physics,Chinese Academy of Sciences,Changchun 130033,Jilin,China;Key Laboratory of Radiometric Calibration and Validation for Environmental Satellites,National Satellite Meteorological Center(National Center for Space Weather),China Meteorological Administration,Beijing 100081,China;Division of Optical Metrology,National Institute of Metrology,China,Beijing 100029,China;Key Laboratory of Technology on Space Energy Conversion,Chinese Academy of Sciences,Technical Institute of Physics and Chemistry,Chinese Academy of Sciences,Beijing 100190,China;School of Chemical Engineering,Changchun University of Technology,Changchun 130012,Jilin,China;Land Satellite Remote Sensing Application Center,Ministry of Natural Resources of the People’s Republic of China,Beijing 100844,China;Thermal Control Engineering Technology Laboratory,Shanghai Institute of Satellite Engineering,Shanghai 201109,China)

机构地区：[1]中国科学院长春光学精密机械与物理研究所空间光学研究一部,吉林长春130033 [2]中国气象局中国遥感卫星辐射测量和定标重点开放实验室,国家卫星气象中心(国家空间天气监测预警中心),北京100081 [3]中国计量科学研究院光学与激光计量科学研究所,北京100029 [4]中国科学院理化技术研究所中国科学院空间功热转换技术重点实验室,北京100190 [5]长春工业大学化学工程学院,吉林长春130012 [6]自然资源部国土卫星遥感应用中心,北京100844 [7]上海卫星工程研究所热控工程技术研究室,上海201109

出　　处：《光学学报》2024年第18期100-113,共14页Acta Optica Sinica

基　　金：国家重点研发计划(2022YFB3903200)。

摘　　要：为有效检测全球气候变化信号,准确预测气候变化,太阳反射谱段的空间遥感数据必须长期保持在0.3%的不确定度水平。然而,受遥感载荷定标系统设计以及地面辐射校正技术理论极限限制,太阳反射谱段的辐射定标停留在2%的不确定度水平,难以完全满足气候研究需求。为解决这一难题,中国、欧洲国家和美国同期提出发展溯源于低温绝对辐射计的太阳反射谱段基准载荷,分别搭载于各自的空间辐射基准卫星(LIBRA、TRUTHS和CLARREO),以提升太阳反射谱段遥感数据测量精度。本文重点介绍了太阳反射谱段基准载荷的研究进展。首先,介绍了中国、欧洲国家和美国的空间辐射基准载荷的发展思路和现状,对比了TRUTHS、CLARREO和LIBRA计划的太阳反射谱段基准载荷设计方案的优劣;然后,详细介绍了中国科学院长春光学精密机械与物理研究所在太阳反射谱段基准载荷研究方面取得的重要进展;最后,对太阳反射谱段基准载荷的研究进展进行讨论与展望。Significance Up to now,dozens of series of satellites,such as China’s Fengyun Meteorological Satellites,Europe’s Geostationary Operational Environmental Satellites(GOES),and the USA’s European Meteorological Satellite(METEOSAT),have been launched to provide real-time remote sensing data globally.Often,it is necessary to utilize remote sensing data from various sensors on multiple satellite platforms to study long-term change trends due to the limited functionality and lifespan of a single satellite.Therefore,enhancing the on-orbit radiometric calibration accuracy of remote sensing devices is crucial for facilitating mutual comparison of measurement data from different sensors.It is essential to trace the radiometric scale of remote sensors back to the international system of units(SI)and maintain long-term stability.The radiometric calibration of multispectral or hyperspectral remote sensing payloads still relies on lamp-board or solar diffuser,which cannot be traced to SI on-orbit due to the influence of the launch process and long-term attenuation.The Moderate Resolution Imaging Spectrometer(MODIS),multi-angle imaging spectrometer(MISR)and ocean wide field scanner(SeaWiFS)have made significant efforts in on-orbit radiometric calibration.However,MODIS achieves a reflectance uncertainty of 2%,which is the minimum among them.Moreover,there is no comparability of observation data from different countries,different series within the same country,and even different satellites within the same series,since the satellite payload radiometric calibration system cannot trace to the radiometric benchmark on orbit.For example,there is a 10%deviation between the radiometric remote sensing data of MODIS and MISR.Currently,there is a 0.3%deviation among the total solar irradiance observed by multiple payloads,making it difficult to describe the periodic solar change of 0.1%over a decade,which highlights the technical challenge of high-precision space absolute radiation measurement.Progress The establishment of a space rad

关 键 词：空间低温绝对辐射计 太阳反射谱段 成像光谱仪 辐射定标 基准载荷 

分 类 号：O436[机械工程—光学工程]