【摘要】 就ＥＤＦＡ 在光纤ＣＡＴＶ 系统中应用时对系统的信号失真（ＣＳＯ）和载噪比（ＣＮＲ）的影响进行了理论分析，通过对ＥＤＦＡ 性能的优化设计，使之尽可能地增加功率裕度、提高传输距离更多还原

【Abstract】 This paper theoretically analyzes EDFA’s effects on signal distortion and carrier noise ration(CNR) when it is applicated in optical fiber CATV system. The performances of EDFA are optimized so that the system has more power abundance and can transmit the signal longer distance.更多还原