说明：  一般通信信道容量的迭代算法，具有默认的信道传输矩阵，迭代的停止精度为0.000001（百万分之一）。最后有平均互信息量的变化曲线
(Communication channel capacity is generally an iterative algorithm, with default channel transfer matrix, iteration stopping accuracy of 0.000001 (ppm). Finally, there is an average curve of mutual information)