该matlab函数计算自由空间里有限厚度、无限大的各向同性媒质块（允许频率色散）在任意极化、任意入射角度的来波下的反射和透射系数，用户可以指定计算的频段。-Matlab function freely in the space of finite thickness, an infinite isotropic medium block (frequency dispersion permit) at any polarization, arbitrary angle to the wave o