摘要
光纤通信作为现代重要的传输手段,得到了人们的青睐.SDH作为新的一代传输技术,已得到了各国的大力开发和应用.本文对PDH与SDH进行了比较,并对SDH的现状、未来以及我国在开发SDH策略等方面进行了阐述.
Optical fibre, as an important media for information transmission,has won people's favour. SDH has been greatly developed and used as a new transmission technology in the world. This article covers the comparison between PDH and SDH, the present situation and the future of SDH as well as the development tactics of SDH in our country.
出处
《光纤与电缆及其应用技术》
北大核心
1995年第6期18-21,共4页
Optical Fiber & Electric Cable and Their Applications
关键词
PDH
SDH
光纤通信
PDH, SDH, Optical fiber, Communication
