对输入随机数字信号进行卷积纠错编码后，送入含噪信道，在接收端再进行解码和检纠错，改变信道误码率大小，测试接收信号与发送信号之间的误码率，分析该种纠错编码系统的抗噪声性能。-After random input digital signal convolution error correction coding into the noisy channel, at the receiving end and then decode detection and correction, changin