分析了动态增益均衡器DGE在DWDM传输系统中应用的主要原因，介绍了目前国内外DGE的种类和主要特点。
The main reasons why the dynamic gain equalization are applied in DWDM is analyzed. The kinds and primary characteristics of DGE at home and abroad are introduced.
分析了动态增益均衡器DGE在DWDM传输系统中应用的主要原因，介绍了目前国内外DGE的种类和主要特点。
The main reasons why the dynamic gain equalization are applied in DWDM is analyzed. The kinds and primary characteristics of DGE at home and abroad are introduced.
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