辐射传输，温度与发射率分离算法（ASTER-TES）最关键模块NEM的matlab实现，也可参考其中的普朗克函数写法，demo可直接运行。-Radiative transfer, the temperature and emissivity separation algorithm (ASTER- TES) NEM matlab, the key module can also be reference of the Planck function method and the demo can