对码率为1/n的递归卷积码（系统码！）的最大似然译码，采用相关度量，截断长度为1024，最大状态数为1024 -On the bit rate for the 1/n recursive convolutional codes (system code!) Of the maximum-likelihood decoding, using the relevant measure to cut off a length of 1024, the largest number of state