摘要
在与时分复用 (TDM )技术作比较的基础上导出了密集波分复用 (DWDM )的概念 ,阐述了DWDM的两项关键技术 :快速自愈和帧封装。阐明了DWDM在全光通信中的地位举足轻重 。
The concept of DWDM is given based on the comparison with TDM technology, then two key technologies are discussed. To realize the DWDM, the performance of optical fiber must be improved first of all.
出处
《电力系统通信》
2001年第6期31-33,共3页
Telecommunications for Electric Power System