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Liu Yongning

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Publication

Featured researches published by Liu Yongning.

Archive | 2014

Shake monitoring system based on Brillouin distributed optical fiber sensing

Jiang Shuo; Chang Jun; Wang Zongliang; Sun Baining; Wei Qian; Luo Sha; Liu Yongning; Liu Xiaohui

Archive | 2014

Detection system for photoacoustic spectrometry gas in optical fiber laser cavity

Chang Jun; Liu Yongning; Chang Hengtai; Wang Qiang; Wang Fupeng; Wei Wei; Tian Changbin

Archive | 2013

System using mode multiplexing of multimode optical fiber to simultaneously transmit a plurality of signals

Chang Jun; Gao Ting; Wang Zongliang; Zhu Cunguang; Li Chen; Wang Qiang; Liu Yongning

Archive | 2013

Method for improving stability of infrared gas detection system based on digital potentiometer

Chang Jun; Zhu Cunguang; Wang Pengpeng; Wang Qiang; Liu Yongning; Wei Wei; Gao Ting; Wang Fupeng

Archive | 2015

Photoacoustic spectrometry gas detection device capable of correcting resonant frequency of quartz tuning fork in real time

Wang Fupeng; Chang Jun; Wang Zongliang; Zhu Cunguang; Liu Yongning

Archive | 2015

Multichannel and multi-point-location gas detection system based on second harmonic detection technique

Liu Yongning; Chang Hengtai; Chang Jun

Archive | 2014

Distributed type optical fiber temperature and stress sensing device

Chang Jun; Luo Sha; Wang Zongliang; Jiang Shuo; Jia Chuanwu; Wang Fupeng; Tian Junqiang; Liu Yongning; Sun Baining

Archive | 2014

Micro water detection system based on distributed feedback fiber lasers

Wang Pengpeng; Chang Jun; Zhu Cunguang; Chang Hengtai; Wang Zongliang; Liu Yongning

Archive | 2014

Photoacoustic spectrometry gas detection system in cavity of Q-switched optical fiber laser

Chang Jun; Liu Yongning; Chang Hengtai; Wang Qiang; Wei Wei; Wang Fupeng; Tian Changbin

Archive | 2013

Device using movement of basketball to generate electricity

Chang Hengtai; Chang Jun; Liu Yongning; Wang Weijie

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Chang Jun

Shandong University

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