仿真BPSK调制在AWGN信道下分别使用卷积码和不使用卷积码的性能，其中，卷积码的约束长度为7，生成多项式为[171,133]，码率为1/2，译码分别使用硬判决译码和软判决译码。-Simulation BPSK modulation and convolutional code are not used convolutional codes in AWGN channels, where the constraint length of the convolutional code is 7, the generating polynomial for the [171,133], rate 1/2, respectively, using the decoding hard decision decoding and soft decision decoding.