问题描述:
[多选]
为了调平WDM系统各功率点的功率平坦度,可以利用系统中存在的功率调节单板()。 Which of the following power modulation boards of the system can be used to optimize the power flatness at different nodes of the WDM system?()
A.DGE
B.OPA
C.EONA
D.OBA
E.VMUX
F.OMU
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上一篇:导致光传输系统中通道功率的不平衡的原因有()Which of the following factors may lead to channel power imbalance in the optical transmission system?
下一篇:对于只使用G.652光纤的系统,使用NRZ编码方式时,残余色散应遵循欠补偿原则,以下说法正确的是?()For the system that only uses the G.652 fiber, the principle of under-compensation should be followed for the residual dispersion in the case of NRZ encoding mode. Which of the following statements about the principle are true?()
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