维特比译码非常经典，每个通信从业人员对其译码算法都应该十分了解。本例程在具体实现事，充分考虑软件译码的时效性能，采用译码深度自适应的方式对传统VIT译码进行改进，译码效果提高非常明显。(Vitby decoding is very classic, each communication practitioners on their decoding algorithm should be very understanding. This routine in concrete implement