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Calibration for the medium-resolution imaging spectrometer

机译:中分辨率成像光谱仪的校准

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Abstract: The Medium Resolution Imaging Spectrometer (MERIS) is intended to be flown on the first European Polar Platform (PPF), scheduled for launch in 1997. The instrument, designed for ocean monitoring, is capable of transmitting 15 spectral bands programmable in width and position across the extended visible domain of 400 nm to 1050 nm. A spatial resolution of 250 m is reached on the ground, with a wide field-of-view of 82 deg. To achieve high radiometric performances for the images, an in-flight calibration system is required with data correction on-board in real time. Calibration coefficients are applied on raw images to reach both a spatial and spectral uniformity of 0.05%, and an absolute accuracy of 2%.!
机译:摘要:中分辨率成像光谱仪(MERIS)计划在计划于1997年发射的第一个欧洲极地平台(PPF)上飞行。该仪器专为海洋监测而设计,能够传输15个在宽度和宽度上可编程的光谱带位置在400到1050 nm的扩展可见光域上。地面的空间分辨率达到250 m,视野范围为82度。为了实现图像的高辐射性能,需要一个机载校准系统,并在机上实时进行数据校正。将校准系数应用于原始图像,以达到0.05%的空间和光谱均匀性,以及2%的绝对精度。

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