提供实现了（2，1，7）卷积码的维特比译码的源程序，采用了最大似然算法，介绍了软判决维特比译码算法过程的三个步骤：初始化、度量更新和回溯译码。-for achieving a (2,1,7) Convolutional Codes Viterbi decoding of the source, using the maximum - likelihood algorithm, introduced a soft-decision Viterbi decoding algorithm of the

urbo码是1993年法国人Berrou提出的一种新型编码方法。它巧妙的将卷积码和随机交织器结合在一起；同时，采用软输出迭代译码来逼近最大似然译码-urbo code is 1993 French Berrou proposed a new encoding method. It is clever to convolutional codes and random interleaver together the same time, the use of soft-output itera

软输入软输出维特比卷积译码,他列出那怎么进行编码和译码以及要求符合的条件-soft input soft output convolutional codes

(2,1,3)卷积码编码，软判决译码；matlab语言编码；verilog语言译码；-(2,1,3) convolutional code encoding, soft-decision decoding matlab coding verilog decoder