维特比算法用于扩频信道译码，与Turboo码,卷积码，级联码构成编码系统-Viterbi Algorithm for spread spectrum channel decoding, and Turboo code, convolutional codes, concatenated coding system code constitute

matlab卷积实现的方法，以及对卷积算法 的改进-matlab convolution method, and the Convolution Algorithm