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요약정보
基于OPGW的雷击点精确定位研究 / Lightning-Strike-Point Location of Transmission Line Based on OPGW
Resource Type
Academic Journal
Authors
曹春诚
;
马超
;
张哲民
;
龙彬
;
罗艳法
;
CAO Chuncheng
;
MA Chao
;
ZHANG Zhemin
;
LONG Bin
;
LUO Yanfa
Source
电瓷避雷器 / Insulators and Surge Arresters
. (1):111-116
Subject
偏振态
OPGW
雷击定位
导数极值局部最大值
输电线路
Language
Chinese
ISSN
1003-8337
Online Access
Find it @ DONGA
초록
针对输电线路的雷击监测定位问题,提出一种基于导数极值局部最大值优化算法的雷击点定位方法.OPGW遭受雷击时,其内部通信光纤中传输光的偏振态由于Faraday效应产生突变.首先对偏振态信号进行降噪以及变换处理得到其幅度谱,然后采用导数极值局部最大值算法进行偏振态突变信号的起点位置寻优,通过记录偏振态突变信号到达偏振解调设备的时刻来实现雷击点定位.实验结果表明:导数极值局部最大值优化算法能够快速且准确的定位光偏振态突变信号波头,为输电线路雷击点的监测定位提供了一种新方法.
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