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中文摘要：
光网络性能监测（OPM）已成为下一代光网络发展的关键技术．构建满足光网络发展需求的OPM系统也已成为物理层技术的发展重点。本文在介绍光网络性能监测主要内容、关键技术、光采样技术的基础上，总结了目前光网络发展对光性能监测技术的主要要求．同时分析了目前应用的部分技术难点和后续发展趋势。
英文摘要：
Optical performance monitoring （OPM） has become a key technology for the development of next-generation optical network. To build optical performance monitoring system for meeting the optical network development needs has also become a key problem for the development of optical network physical layer technology. This paper introduces the main content and key technology of optical performance monitoring technology and the optical sampling technology, summarizes the main requirements of optical performance monitoring technology for the current development of optical network, and then analyzes some technical difficulties of the applications and the development trends.
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