Mr. Xijun Wu Profile

Xijun Wu

at Yanshan Univ

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Author

Publications (3)

Proceedings Article | 3 December 2015 Paper

Research on surface seismic source location method based on local mean decomposition and time difference of arrival

Weibo Liu, Kaiyan Li, Jiangtao Wen, Xiaojing Yu, Xijun Wu

Proceedings Volume 9794, 979418 (2015) https://doi.org/10.1117/12.2205677

KEYWORDS: Signal processing, Wavelets, Sensors, Modulation, Data acquisition, Electronic filtering, Unattended ground sensors, Wavelet packet decomposition, Interference (communication), Denoising

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Proceedings Article | 15 October 2015 Paper

White light upconversion emissions in Er3+/Tm3+/Yb3+ tridoped oxyfluoride glass

Xiaoping Guan, Wei Xu, Shuang Zhu, Qiutong Song, Xijun Wu, Hailong Liu

Proceedings Volume 9674, 967403 (2015) https://doi.org/10.1117/12.2196636

KEYWORDS: Glasses, Ions, Upconversion, Luminescence, Semiconductor lasers, Thermal effects, Lithium, Photonics, Light sources, Solid state lasers

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Proceedings Article | 26 November 2007 Paper

A novel fibre-optic system for methane detection

Xijun Wu, Yutian Wang, Leilei Chen, Xinyan Huang

Proceedings Volume 6830, 68301B (2007) https://doi.org/10.1117/12.756001

KEYWORDS: Absorption, Methane, Molecules, Light sources, Optical filters, Absorption filters, Optical fibers, Sensors, Mid-IR, Modulation

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