Simulink工具编写代码(S-Function 方式)，产生一单径瑞利信道，其多普勒谱 为经典谱，其中移动速率为 120km/h。-Simulink tools to write code (S-Function mode) to generate a single path Rayleigh channel, the Doppler spectrum For the classical spectrum, where the rate of movement of 120km/h.