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Traffic Monitoring of Inland Waterways Based on Optic Fiber Sensors |
LI Yang1,CHEN Jingfeng1,JIN Ronghong1,GENG Junping1,LIANG Xianling1,GAO Kan2,WU Bingyan2,CUI Dan3 |
(1. Department of Electronic Energying, Shanghai Jiaotong University, Shanghai 200240, China; 2. No.23 Research Institute of China Electronic Technology Corporation Group, Shanghai 200437, China; 3. Shanghai Maritime Safety Administration, Shanghai 200086, China) |
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Abstract Based on a set of optic fiber sensors, an algorithm was proposed to count ships in inland waterways by combining the threshold of sound energy and the time-frequency characteristics of strong line spectrums, which solved the counting problem emerged when a number of ships went through the monitored water area in parallel. The processing results of a piece of 45 minutes long sound pressure data proved the effectiveness of this algorithm.
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Received: 04 November 2013
Published: 28 October 2014
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