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在对波分复用全光通信网中功率不均衡的来源、限制分析的基础上，本文提出了一种基于“节点隔离原理”的功率均衡新方案．与传统方案的比较分析表明：新方案将ＯＸＣ节点内的功率均衡及放大功能合二为一，更加简捷、有效；在保持了与传统方案几乎一致的信噪比等指标的前提下，允许级联的节点数目增多．从而为ＷＤＭ全光通信网中的功率均衡与管理提供了一种新的途径．
Based on the analysis of the sources and limitations of power imbalance in WDM optical networks, this paper presents a new scheme of power balance based on the “node isolation principle”. Compared with the traditional scheme, the new scheme proves that the new scheme can make the power balance and amplification in the OXC node be the same, which is more simple and effective. Under the premise of maintaining the signal-to-noise ratio and other indicators which are almost the same as the traditional scheme, The number of nodes increases. Thus providing a new way for the power balance and management in WDM optical communication network.