循环码\code_decode.m ......\cyccode.asv ......\cyccode.m ......\cycdecode.asv ......\cycdecode.m ......\mode.m ......\noise.asv ......\noise.m ......\order.m ......\shiftright.asv ......\shiftright.m ......\xunhuan1.asv ......\xunhuan1.m 循环码