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着重介绍了宽通道红外遥感器对应通道间的交叉辐射定标光谱匹配方法,并以FY-2CIR1、IR2与Terra/Aqua MODIS 31、32通道为切入点,进行通道间的光谱匹配计算,获取了两通道的光谱匹配因子,为实现这两种传感器红外分裂窗通道的交叉定标奠定了基础。该方法可以很好地应用于各种类型卫星红外遥感器的对应通道间交叉定标光谱匹配,为实现不同类红外遥感数据的辐射归一化提供了重要的方法借鉴,为建立一致的全球红外遥感观测数据库奠定了基础。
The method of cross radiation calibration spectrum matching between corresponding channel of wide channel infrared remote sensor is introduced emphatically. Spectral matching between channel FY-2CIR1, IR2 and Terra / Aqua MODIS 31 and 32 is taken as the entry point, The two-channel spectral matching factor lays the foundation for the cross-calibration of the channel of the infrared split of these two sensors. The method can be well applied to the cross-calibration spectral matching between the corresponding channels of various types of satellite infrared remote sensors, and provides an important method reference for the radiation normalization of different types of infrared remote sensing data. In order to establish a consistent global infrared Remote sensing observation database has laid the foundation.