摘要
高速数字用户环路技术是在光纤用户网普及之前,向用户提供宽带业务的一种过渡方法,本文着重介绍了其中的回波抵消技术,尤其是HDSL和ADSL中的回被抵消.
Digital suberiber hoe offers a means to introduce broadband services well in advance of direct fiber access for telephone subscribers. Modulating bldirecdional digital traffic over the existing twisted pair loop plant necessitates the use of a high performance echo canceller.This paper explores bones of echo cancellation techniques in HDSL and ADSL.
出处
《电子器件》
CAS
1997年第1期138-142,共5页
Chinese Journal of Electron Devices