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Aqua MODIS 8-year On-orbit Operation and Calibration

机译:Aqua MODIS 8年在轨运行和校准

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Launched in May 2002, the NASA EOS Aqua MODIS has successfully operated for more than 8 years. Observations from Aqua MODIS and its predecessor, Terra MODIS, have generated an unprecedented amount of data products and made significant contributions to studies of changes in the Earth's system of land, oceans, and atmosphere. MODIS collects data in 36 spectral bands: 20 reflective solar bands (RSB) and 16 thermal emissive bands (TEB). It has a set of on-board calibrators (OBC), providing sensor on-orbit radiometric, spectral, and spatial calibration and characterization. This paper briefly summarizes Aqua MODIS on-orbit operation and calibration activities and illustrates instrument on-orbit performance from launch to present. Discussions are focused on OBC functions and changes in detector radiometric gains, spectral responses, and spatial registrations. With ongoing calibration effort, Aqua MODIS will continue serving the science community with high quality data products.
机译:NASA EOS Aqua MODIS于2002年5月发射,成功运行了8年以上。 Aqua MODIS及其前身Terra MODIS的观测结果产生了前所未有的数据产品,为研究地球的陆地,海洋和大气系统的变化做出了重要贡献。 MODIS在36个光谱带中收集数据:20个反射太阳带(RSB)和16个热发射带(TEB)。它具有一组机载校准器(OBC),可提供传感器的在轨辐射测量,光谱和空间校准以及特征。本文简要总结了Aqua MODIS的在轨操作和校准活动,并说明了从发射到目前的仪器在轨性能。讨论的重点是OBC功能以及探测器辐射度增益,光谱响应和空间配准的变化。通过不断的校准工作,Aqua MODIS将继续为科学界提供高质量的数据产品。

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