Mean solar spectral irradiance of satellite is an important parameter for the computation of appearance reflectance.
卫星图像波段平均太阳辐照度是计算表观反射率的重要参数。
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In the aerospace environment near the Earth, the solar cells can convert both solar radiation energy and the reflectance energy from the Earth into electric energy at the same time.
Both the Flat-Field method and the method which utilize the solar radiation spectrum are used on reflectance, inversion in order to transform radiant brightness image into reflectance, image.