引言高分辨率辐射计是现今用于环境地球资源观测卫星中的主要传感器。它能提供昼夜云层复盖图象、表面温度、陆地及海洋特征的地球物理观测、农作物、生态学以及许多其它资源研究方面的应用。尽管电机扫描器有时仍使用古代的扫描技术,但它已经在很大程度上代替了环境卫星中的电子束扫描电视摄象机,主要因为它们能制出从紫外到波长长于20微米波段内的 Introduction High resolution radiometers are the main sensors currently used in environmental Earth resources observing satellites. It provides day and night cloud cover images, surface temperatures, geophysical observations of terrestrial and marine features, crops, ecology and many other resource research applications. Although motor scanners sometimes use ancient scanning techniques, they have largely replaced electron beam scanning television cameras in environmental satellites, mainly because they produce light from ultraviolet to wavelengths longer than 20 microns