摘要
在分析探讨数字用户线技术的基础上。
This paper reviews the telephone loop characteristics and current DSL (digital subscriber line) technologies. The method which uses DSL technologies to transmit video signal over subscriber line has been studied.
出处
《安徽师范大学学报（自然科学版）》
CAS
1999年第4期338-341,共4页
Journal of Anhui Normal University(Natural Science)
关键词
电话网
数字用户线
图象传输
双绞线
telephone network
DSL(digital subscriber line)
image transmission
twisted pair wire
