Mr. Sichen Li Profile

Sichen Li

at Tianjin Univ

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Author

Publications (3)

Proceedings Article | 26 July 2022 Paper

Pattern recognition using multi-dimensional hybrid feature extraction scheme in optical fiber distributed vibration sensing system

Kang Xue, Kun Liu, Junfeng Jiang, Zhenshi Sun, Yuelang Huang, Sichen Li, Xibo Jin, Tiegen Liu

Proceedings Volume 12279, 122790B (2022) https://doi.org/10.1117/12.2616437

KEYWORDS: Feature extraction, Sensing systems, Optical fibers, Wavelets, Wavelet packet decomposition, Sensors, Fiber optics, Signal detection

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Proceedings Article | 26 July 2022 Paper

A fast endpoint detection algorithm for dual Mach-Zehnder interferometer vibration sensing system

Yuelang Huang, Kun Liu, Junfeng Jiang, Zhenshi Sun, Xibo Jin, Kang Xue, Sichen Li, Tiegen Liu

Proceedings Volume 12279, 122790O (2022) https://doi.org/10.1117/12.2616436

KEYWORDS: Signal to noise ratio, Signal detection, Sensing systems, Signal processing, Mach-Zehnder interferometers, Detection and tracking algorithms, Sensors, Optical fibers

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Proceedings Article | 26 July 2022 Paper

A denoising and positioning method of long-distance fiber optic perimeter security system based on φ-OTDR

Sichen Li, Kun Liu, Junfeng Jiang, Zhenshi Sun, Kang Xue, Yuelang Huang, Xibo Jin, Tiegen Liu

Proceedings Volume 12279, 122790S (2022) https://doi.org/10.1117/12.2616554

KEYWORDS: Denoising, Image denoising, Discrete wavelet transforms, Interference (communication), Wavelets, Signal processing, Raman spectroscopy, Optical fiber cables, Signal to noise ratio

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