【摘要】 文章介绍了HDSL技术应用的背景 ,阐述了HDSL技术的特点 ,并着重讨论了HDSL的几大技术难点 :回波抵消、编码技术及系统结构 .最后介绍了Brooktree公司的HDSL应用产品更多还原

【Abstract】 The article introduces the background of HDSL technique’s application,explains some characteristics of HDSL technique,and it emphasizes on discussing several difficulties of HDSL technique:reverse wave’s canceling\,encoding technique and system architecture.Finally,it introduces the Brooktree Company’s applicable product of HDSL technique.更多还原