三阶高密度双极性码(英语:High Density Bipolar of Order 3,简称:HDB3码)是一种适用于基带传输的编码方式,应用于电信领域。它是为了克服AMI码的缺点而出现的,具有能量分散,抗破坏性强等特点。
英语百科
Modified AMI code 三阶高密度双极性码
(重定向自Zero Code Suppression)
Modified AMI codes are Alternate Mark Inversion (AMI) line codes in which bipolar violations may be deliberately inserted to maintain system synchronization. There are several types of modified AMI codes, used in various T-carrier and E-carrier systems.