For obtaining a pulse series with a small amplitude ripple, an Erbium-doped Fiber Amplifier (EDFA) must be added into the primary experiment setup to enhance injection-modulation signal power.
为了获得振幅均衡的有理数谐波锁模脉冲，必须在原有的实验装置中添加一个掺铒光纤放大器(EDFA)以提高注入调制光信号功率。
The theoretical models of Fiber Raman Amplifier (FRA) and Erbium Doped Fiber Amplifier (EDFA) are presented, and their gain spectra are accordingly calculated.
概述了拉曼光纤放大器(FRA)和掺铒光纤放大器(EDFA)的理论模型，据此计算它们的增益谱。
The implement applications of erbium doped fiber amplifier (EDFA) and fiber Raman amplifier (FRA) make the launching power in optical fiber communications systems increased significantly.
掺铒光纤放大器(EDFA)和拉曼放大器(FRA)的使用，使得光纤通信系统中的入纤功率有了很大的提高。
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