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astronomical
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Aerosphere Window
大气之窗
:地球幅射中波长为8.5---11微米波段的幅射几乎没有为大气所吸收而能全部透过并进入太空,好像大气为这个波段长开了一个窗子,故名为"
大气之窗
".气象卫星可以遥感
大气之窗
波段内的地面幅射或云体幅射的强度,从而推算出地面或云体的温度.卫星幅射云图就是利用这个原理.