In the real digital baseband communication systems,for succeeding in transmitting information in baseband channel that we have to select a suitable baseband signal,the HDB3 baseband signal is the most choosing signal among all.

• 在实际的数字基带通信系统中；为使信息在基带信道中顺利传输；必须选择合适的基带信号；HDB3基带信号是常选信号之一.