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 of reflection and transmission coefficients, the user can specify the calculation of the band.