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基于EMD算法的海缆历史数据趋势分析
Authors
安博文
方文军
Publication date
1 January 2016
Publisher
《光通信研究》编辑部
Doi
Cite
Abstract
从海缆历史温度数据中分析出海缆的老化或者故障位置是工程应用中急需解决的问题。针对上述问题,采用EMD(经验模态分解)算法提取出海缆每一处历史温度数据的时频特征,再通过矩阵相似度来衡量不同位置点海缆时频特征的相似度大小,最后通过分析对比相似度的异常来确定海缆老化或故障的位置。实例验证结果表明,问题海缆位置点与正常海缆位置点之间的相似度远小于正常海缆位置点之间的相似度,因而能预测出所有问题海缆的位置点
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Last time updated on 26/01/2023