基于labview的光纤链路事件检测系统

Q3 Engineering

Journal of Information and Communication Convergence Engineering Pub Date : 2019-04-03 DOI:10.5281/ZENODO.3298819

Bo Liu, Qingshan Kong, Wei-qing Huang

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引用次数: 0

摘要

随着现代通信技术的飞速发展，光纤质量和故障的实时诊断成为人们关注的焦点。本文提出了一种基于Labview的光纤故障检测系统。将小波阈值去噪方法与经验模式分解（EMD）相结合，对光时域反射计（OTDR）信号进行去噪。然后使用基于Gabor表示的方法来检测事件。实验测量表明，与小波阈值去噪方法相比，OTDR信号的信噪比平均提高了1.34dB。所提出的系统在事件检测能力和准确性方面得分很高。所提出的基于Labview的系统的最大可检测光纤长度可以是65km。关键词——经验模式分解（EMD），事件检测，Gabor变换，光时域反射计（OTDR），小波阈值去噪。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Labview-Based System for Fiber Links Events Detection

With the rapid development of modern communication, diagnosing the fiber-optic quality and faults in real-time is widely focused. In this paper, a Labview-based system is proposed for fiber-optic faults detection. The wavelet threshold denoising method combined with Empirical Mode Decomposition (EMD) is applied to denoise the optical time domain reflectometer(OTDR) signal. Then the method based on Gabor representation is used to detect events. Experimental measurements show that signal to noise ratio (SNR) of the OTDR signal is improved by 1.34dB on average, compared with using the wavelet threshold denosing method. The proposed system has a high score in event detection capability and accuracy. The maximum detectable fiber length of the proposed Labview-based system can be 65km. Keywords—Empirical mode decomposition (EMD), events detection, Gabor transform, optical time domain reflectometer (OTDR), wavelet threshold denoising.

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来源期刊

Journal of Information and Communication Convergence Engineering Engineering-Media Technology

CiteScore

1.10

自引率

0.00%

发文量

期刊介绍： Journal of Information and Communication Convergence Engineering (J. Inf. Commun. Converg. Eng., JICCE) is an official English journal of the Korea Institute of Information and Communication Engineering (KIICE). It is an international, peer reviewed, and open access journal that is published quarterly in March, June, September, and December. Its objective is to provide rapid publications of original and significant contributions and it covers all areas related to information and communication convergence engineering including the following areas: communication system and applications, networking and services, intelligent information system, multimedia and digital convergence, semiconductors and communication devices, imaging and biomedical engineering, and computer vision and autonomous vehicles.