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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
The effect of EDFA on signal distortion (CSO) and carrier to noise ratio (CNR) in fiber CATV system is theoretically analyzed. By optimizing the design of EDFA performance, it is possible to increase power margin as much as possible and improve Transmission distance