Dr. Dongming Li Profile

Dr. Dongming Li

at Hangzhou Institute of Applied Acoustics

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Author

Publications (9)

Proceedings Article | 27 November 2023 Poster + Paper

Study on the frequency band energy distribution of pipeline broken wire signal based on φ-OTDR system

Ranran Ji, Fan Yang, Dongming Li, Lijun Wan

Proceedings Volume 12771, 127711H (2023) https://doi.org/10.1117/12.2687172

KEYWORDS: Wavelet packet decomposition, Wavelets, Vibration, Signal processing, Pipes, Sampling rates, Fiber optics sensors, Signal analyzers, Corrosion, Acoustics

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Proceedings Article | 13 April 2023 Paper

FPGA-based fast pulse coding and decoding technique for Brillouin optical time domain analyzer

Feng Wu, Yafei Feng, Yibo Zhong, Dongming Li

Proceedings Volume 12605, 126050T (2023) https://doi.org/10.1117/12.2673293

KEYWORDS: Field programmable gate arrays, Sensing systems, Coding theory, Fiber optics sensors

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Proceedings Article | 21 March 2023 Paper

A signal feature extraction method based on Hough transform

Luwei Zhang, Jiawei Wang, Lijun Wan, Dongming Li

Proceedings Volume 12609, 1260906 (2023) https://doi.org/10.1117/12.2671803

KEYWORDS: Hough transforms, Feature extraction, RGB color model, Image processing, Signal detection, Contour extraction, Signal to noise ratio, Signal processing, Reflection, Passive sonar

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Proceedings Article | 19 December 2022 Poster + Paper

The application of GA-VMD denoising algorithm in [phi]-OTDR system

Fan Yang, Dongming Li, Lijun Wan, Ranran Ji, Xiaodi Wu

Proceedings Volume 12321, 1232117 (2022) https://doi.org/10.1117/12.2643944

KEYWORDS: Denoising, Signal processing, Fiber optics, Signal to noise ratio, Reconstruction algorithms, Optimization (mathematics), Genetic algorithms, Feature extraction, Signal detection

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Proceedings Article | 19 December 2022 Poster + Paper

Application of distributed optical fiber acoustic sensing system in pre-stressed concrete cylinder pipe (PCCP) pipeline structure health monitoring

Ranran Ji, Dongming Li, Fan Yang, Lijun Wan

Proceedings Volume 12321, 1232112 (2022) https://doi.org/10.1117/12.2643215

KEYWORDS: Optical fibers, Light scattering, Signal detection, Rayleigh scattering, Sensing systems, Raman scattering

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Proceedings Article | 18 March 2021 Paper

Application of adaptive NLM denoising algorithm in BOTDA

Ziqiang Huang, Xihai Jiang, Lei Wang, Dongming Li, Yafei Feng

Proceedings Volume 11780, 117801B (2021) https://doi.org/10.1117/12.2590622

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Proceedings Article | 23 October 2018 Paper

A fiber-optic combined acoustic temperature and pressure sensor for ocean observation

Fenghuan Hao, Pengfei Liu, Bo Li, Shaoling He, Dongming Li

Proceedings Volume 10821, 108211S (2018) https://doi.org/10.1117/12.2501322

KEYWORDS: Fiber optics sensors, Fiber optics, Sensors, Fiber Bragg gratings, Acoustics, Temperature metrology, Fiber optics tests, Temperature sensors, Optical filters, Wavelength division multiplexing

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Proceedings Article | 23 October 2018 Paper

Theory of intensity to phase noise conversion of fiber optic sensors using phase generated carrier scheme

Zhanghai Wang, Dongming Li, Huiliang Ge

Proceedings Volume 10821, 108211J (2018) https://doi.org/10.1117/12.2500840

KEYWORDS: Interference (communication), Fiber optics sensors, Sensors, Signal detection, Demodulation, Optical amplifiers, Light sources, Fiber optics

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Proceedings Article | 23 October 2018 Paper

Design and simulation of a fiber-optic hydrogen sensor based on tunable diode laser spectroscopy

Dongming Li, Fenghuan Hao, Pengfei Liu, Huiliang Ge

Proceedings Volume 10821, 108211P (2018) https://doi.org/10.1117/12.2501191

KEYWORDS: Hydrogen, Fiber optics sensors, Sensors, Fiber optics, Reflectivity, Palladium, Spectroscopy, Absorption, Tunable diode lasers, Modulation

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Showing 5 of 9 publications

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