• 2022-06-26
    将二进制序列编为HDB3码,其中输出正电平用“+1”表示,负电平用“-1”表示,信息代码100000000011编码后表示为( )
    A: +1 -1 0 0 +1 -1 0 0 -1 0 +1
    -1
    B: +1 0 0 0 +1 -1 0 0 -1 0 +1 -1
    C: -1 0 0 0 +1 -1 0 0 -1 0 +1 -1
    D: +1 0 0 0 +1 -1 0 0 +1 0 -1 +1