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电网技术  2010 

采用相移法测量长站距OPGW光缆的色散

, PP. 186-189

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Abstract:

色散是影响光通信系统性能的重要因素之一,对长距离、高速光通信系统的影响更严重。为此介绍了用相移法测量长距离光纤复合架空地线(opticalfibercompositeoverheadgroundwire,OPGW)线路色散的原理和方法,结合给定的252km长距离OPGW线路,搭建了测试系统,进行了线路色散的实际测量。对测试结果的分析表明,该段OPGW线路在运行时需要进行色散补偿,需补偿的色散大小根据系统通信速率来确定。

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