物体表面单位面积上辐射出的辐通量与同温度下黑体辐射出的辐通量的比值。
n. emissivity
The retrieved steps is as following: Firstly the atmosphere transmittance is simulated through MODTRAN 4 and land surface emissivity is calculated from NDVI. Then LST of study area is retrieved through split-window algorithm.
首先利用大气辐射传输模型MODTRAN 4进行大气校正获得大气透过率,然后根据NDVI计算地表比辐射率,最后采用分裂窗简化算法反演地表温度。
参考来源 - 地表温度异常机理及热红外遥感监测——以河南焦作煤层气富集区为例·2,447,543篇论文数据，部分数据来源于NoteExpress
比辐射率是辐射度学中的重要参量。
本发明为一种便携式比辐射率测定仪及其测定方法。
The present invention is one kind of portable specific radiance measuring instrument and its measuring method.
本文探讨了红外隐身材料的比辐射率及其微波兼容性。
This article deals with the compatibility of both radiant emittance and microwave of infrared materials.
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