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介绍了密集波分复用(DWDM)系统的概念及组成结构,对几个在天津地区应用的生产厂家的DWDM设备进行了比较,指出了应用中应注意的问题。
The concept and structure of DDM (DWDM) system are introduced. The DWDM equipments of several manufacturers in Tianjin area are compared, and the problems that should be noticed in the application are pointed out.