航天遥感器的辐射灵敏度模型

Radiometric sensitivity model of space remote sensor

辐射灵敏度表明遥感器对输入信号的响应能力 ,辐射灵敏度的分析包括辐射灵敏度的计算以及辐射灵敏度的不确定性分析 .本文提出航天遥感器辐射灵敏度的分析模型 ,在模型中给出辐射灵敏度的计算方法 ,同时 ,所有相关参数的不确定性均已包含于辐射度灵敏度模型中 ,允许对其进行误差分析 .最后 ,对一种中分辩率成像光谱仪的辐射灵敏度性能进行了分析和计算 .

Radiometric sensitivity shows the sensitivity of instrument to input radiance and its analysis includes calculation and uncertainty analysis of radiometric sensitivity. A model for analysis of radiometric sensitivity is given and a method for calculation of radiometric sensitivity is presented. The uncertainty of all parameters is included in this model for analysis of their errors. Finally, the radiometric sensitivity of a moderate resolution imaging spectroradiometer is predicted.