中文说明：高斯粗糙面等的生成，散射系数发射率计算，方法包括KA（基尔霍夫近似）,MOM（矩量法）,SPM（微扰法）等
English Description：
The generation of Gauss rough surface, scattering coefficient calculation method of emissivity, including KA (Kirchhoff approximation), MOM (method of moment), SPM (perturbation) etc.