Dr. Zhenshi Z. Sun Profile

Dr. Zhenshi Z. Sun

at Tianjin Univ

SPIE Involvement:

Author

Publications (7)

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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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

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

Range enhancement of the dynamic frequency measurement in phase-sensitive OTDR with a symmetric fiber interferometer

Zhenshi Sun, Kun Liu, Junfeng Jiang, Kang Xue, Yuelang Huang, Tiegen Liu

Proceedings Volume 12279, 1227906 (2022) https://doi.org/10.1117/12.2616395

KEYWORDS: Demodulation, Signal to noise ratio, Signal detection, Modulation, Sensors, Optical filters, Backscatter, Reflectometry, Sensing systems, Interferometers

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Proceedings Article | 12 March 2020 Paper

A multiple events recognition scheme based on improved feature vectors for fiber optic perimeter security system

Zhenshi Sun, Kun Liu, Junfeng Jiang, Pengfei Ma, Tiegen Liu

Proceedings Volume 11436, 1143604 (2020) https://doi.org/10.1117/12.2540398

KEYWORDS: Fiber optics, Neural networks, Network security, Sensing systems, Feature extraction, Detection and tracking algorithms, Signal processing, Mach-Zehnder interferometers, Fiber optics sensors, Defense and security

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Proceedings Article | 12 March 2020 Paper

Variational mode decomposition-based endpoint detection for distributed fiber interferometric vibration sensing systems

Pengfei Ma, Kun Liu, Junfeng Jiang, Zhenshi Sun, Liwang Zhang, Tiegen Liu

Proceedings Volume 11436, 1143602 (2020) https://doi.org/10.1117/12.2539217

KEYWORDS: Interferometry, Sensing systems, Sensors, Fiber optics sensors, Mach-Zehnder interferometers, Fiber optics, Wavelets, Michelson interferometers, Bridges, Environmental sensing

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Proceedings Article | 1 July 2015 Paper

A hydrostatic leak test for water pipeline by using distributed optical fiber vibration sensing system

Huijuan Wu, Zhenshi Sun, Ya Qian, Tao Zhang, Yunjiang Rao

Proceedings Volume 9655, 965543 (2015) https://doi.org/10.1117/12.2185184

KEYWORDS: Optical fibers, Sensing systems, Fiber optic communications, Optical communications, Telecommunications, Data acquisition, Optical sensing, Optical fiber cables, Optical amplifiers, Fiber optics sensors

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Showing 5 of 7 publications

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