在本论文中，根据编码器的关系实现卷积码的编码，用维特比译码算法实现卷积码的解码。
In this paper, convolution code is carried out by the structure of coder, and decoding is carried out by Viterbi decoding algorithm.
编码后经过BPSK调制，采用对数域的BP译码算法进行解码。
It is modulated by BPSK after coding. And BP decoding algorithm is used.
硬件部分主要由电话机线路、译码电路、解码电路、控制电路等几部分组成。
The hardware is made up of the telephone circuit, decoding circuit and controlling circuit.
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