作出i.i.d. Rayleigh信道上SC合并（L=2,3,5）的输出信噪比PDF曲线，并求出曲线最大值的位置。-SC combined to iid Rayleigh channel (L = 2,3,5) of the output SNR PDF curve and calculated curve of the maximum position.

瑞利信道的仿真。画出PDF曲线。采用基于CDF的K-S TEST来检测所产生的瑞利信道是否符合理论分布。-Rayleigh channel simulation. Draw the PDF curve. CDF KS the TEST detection of Rayleigh channel is in line with the theoretical distribution.