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气体传感器阵列信号的盲分离研究

Studies on Blind Separation of Gas Sensor Array Signals

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【作者】 魏广芬唐祯安陈正豪余隽王立鼎闫桂珍

【Author】 WEI Guang-Fen~(1),TANG Zhen-An~(1*),CHAN Philip C.H.~(2),YU Jun~(1),WANG Li-Ding~(1),YAN Gui-Zhen~(3)(1.Research Center for Micro Systems,Dalian University of Technology,Dalian 116024,China;2.Department of Electrical and Electronic Engineering,Hong Kong University of Science and Technology,Hong Kong,China;3.Institute of Microelectronics,Peking University,Beijing 100871,China)

【机构】 大连理工大学微系统研究中心香港科技大学电机与电子工程系北京大学微电子学研究所 大连116024大连116024香港九龙清水湾北京100871

【Abstract】 Responses of a Micro-hotplate based integrated gas sensor array to CO and CH4 were measured with an automated gas sensor calibration system.Combining with the blind source separation(BSS) techniques,the blind separability in gas mixture analysis was discussed.The widely used BSS approach-Independent Component Analysis(ICA) was adopted to verify the proposed method by analyzing the gas mixtures of CO and CH4.The analysis results demonstrate that BSS was an effective way to extract the information of gas components in mixtures,from which the gas concentrations can be estimated.The average relative quantification errors were 9.37% and 8.11% for CO and CH4,respectively,in the specified concentration ranges.

【基金】 国家自然科学基金(批准号:59995550-5,90207003);国家“八六三”计划项目(批准号:2003AA404180)资助
  • 【文献出处】 高等学校化学学报 ,Chemical Journal of Chinese Universities , 编辑部邮箱 ,2006年01期
  • 【分类号】TP212
  • 【被引频次】8
  • 【下载频次】271
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