这是卷积码的编程程序，采用了先构造网格图，然后沿着网格图查找到方法-This is a convolution code programming procedure, the first constructed grid map, and then along the trellis to find methods

信号检测与估计中对信号使用ML，MAP等准则的最小误码率估计-Signal detection and estimation of the signal using ML, such as MAP estimate criterion of minimum error rate