Position Characteristics Removing Algorithm for Pattern Recognition in Interferometric DOFS

IF 2.3 3区 工程技术 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC
Yunke Du;Rui Jin;Churui Li;Bo Ma;Yuzhe Sun;Chenyue He;Yang Yan;Chao Wang;Bo Jia
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引用次数: 0

Abstract

In distributed optical fiber sensing system, pattern recognition is employed to identify vibration signals. This letter introduces a novel algorithm for removing position characteristics to enhance the pattern recognition accuracy based on single core feedback interference system. The detrimental effects of position characteristics on signal identification are analyzed and simulated. Experiments using a hybrid Mach-Zehnder and Sagnac interferometer combined with a convolutional neural network show a classification accuracy of 98.1% across seven types of position-independent vibration signals. This represents a 1.1% improvement over original signals. Focused on accurately classifying vibration signals from various locations, the position characteristics removing algorithm allows classifier trained solely on data collected from a single point, with enhanced accuracy and the ability to generalize across different signal types and locations.
干涉DOFS模式识别中的位置特征去除算法
在分布式光纤传感系统中,采用模式识别技术对振动信号进行识别。本文介绍了一种基于单核反馈干扰系统的去除位置特征以提高模式识别精度的新算法。分析和仿真了位置特性对信号识别的不利影响。使用Mach-Zehnder和Sagnac混合干涉仪结合卷积神经网络进行的实验表明,在7种与位置无关的振动信号中,分类准确率达到98.1%。这比原始信号提高了1.1%。位置特征去除算法专注于准确分类来自不同位置的振动信号,允许分类器仅从单个点收集数据进行训练,具有更高的准确性和跨不同信号类型和位置的泛化能力。
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来源期刊
IEEE Photonics Technology Letters
IEEE Photonics Technology Letters 工程技术-工程:电子与电气
CiteScore
5.00
自引率
3.80%
发文量
404
审稿时长
2.0 months
期刊介绍: IEEE Photonics Technology Letters addresses all aspects of the IEEE Photonics Society Constitutional Field of Interest with emphasis on photonic/lightwave components and applications, laser physics and systems and laser/electro-optics technology. Examples of subject areas for the above areas of concentration are integrated optic and optoelectronic devices, high-power laser arrays (e.g. diode, CO2), free electron lasers, solid, state lasers, laser materials'' interactions and femtosecond laser techniques. The letters journal publishes engineering, applied physics and physics oriented papers. Emphasis is on rapid publication of timely manuscripts. A goal is to provide a focal point of quality engineering-oriented papers in the electro-optics field not found in other rapid-publication journals.
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