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《Journal of Anhui Institute of Architecture & Industry(Natural Science)》 2007-03
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Design of a metal detector

ZHANG Xue-yong,ZHAO Qun,LI Yi-bao,TANG Zhen (Department of mathematics & physics,Anhui institute of architecture & industry,Hefei 230022,China)  
In order to improve anti-jamming ability and overcome a larger amount of false alarms in traditional portable metal detectors,a new type of metal detector based on the principle of the F/V conversion is presented.A Siller's oscillator circuit of three-point capacitance acting as the detector oscillator,a phase-locked loop circuit and a window comparator converted the change of frequency into that of the voltage.Preliminary experimental results showed the metal detector with high sensitivity and stability can not only detect the positions of metals,but also can determine the detected metals.
【Fund】: 安徽省教育厅自然科学基金资助项目(2005KJ228);; 安徽省教育厅教研基金资助项目(2005271)
【CateGory Index】: TP21
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【References】
Chinese Journal Full-text Database 2 Hits
1 PENG Jian-xue,YE Yin-zhong,SHI Wei,PENG Lei(1.Shanghai Aoboor Electric co.,Ltd.,Shanghai 200072,China.2.Shanghai Institute of Technology,Shanghai 200235,China.3.Logistic Engineering College,Shanghai Maritime University,Shanghai 200135,China. 4.Guilin University of Electronic Technology,Guilin 541004,Guangxi,China);A New Method for Detecting Metal Based on Trans-Conductance Measurement[J];Electrical Measurement & Instrumentation;2013-04
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1 Yuan Yuan Yang Xing Sun Ya;Application of eddy-current metal detector in automatic circuit[A];[C];2009
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Chinese Journal Full-text Database 1 Hits
1 FAN Yan-hu,DONG Xiao-you,ZHANG Yu-qiang,DONG Jun-tang(College of Physics & Electronic Information,Yanan University,Yanan 716000,China);Research into metal detector of electric eddy transducer based on balanced mixing[J];Journal of Yanan University(Natural Science Edition);2006-01
【Co-citations】
Chinese Journal Full-text Database 1 Hits
1 Wu Lijun Li Qian (Shenyang Ligong University,Shenyang,110168);THE IMPACTS OF THE TESTED MATERIALS ON THE PROPERTY OF THE EDDY CURRENT DISPLACEMENT TRANSDUCER[J];Physical Experiment of College;2008-01
【Co-references】
Chinese Journal Full-text Database 10 Hits
1 LIU Hui juan (College of Electrical Englineering, Northern Jiaotong University, Beijing 100044,China);A New Intelligent Metal Detector[J];Journal of Northern Jiaotong University;2001-01
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3 WANG Yu-qi1,HAN Hai-yan1,HAO Zhi-hui2(1.Science Institute,Changchun University,Changchun,130022,China;2.Jilin Vocational and Technical College of Traffic,Changchun 130012,China);Application of metal detectors in food industry[J];Journal of Changchun University;2007-04
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2 LI Gang,HAO Li-ling,LIN Ling(Tianjin Key Laboratory of Biomedical Detecting Techniques & Instruments,Tianjin University,Tianjin 300072);The Novel Measurement Circuit of Magnetic Field for Magnetic Detection Electrical Impedance Tomography[A];[C];2010
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1 HONG Wen-feng,WEI Li-feng(School of Information Engineering,Shenyang University of Chemical Technology, Shengyang 110142,China);Design of an intelligent metal detector[J];Industry and Mine Automation;2013-04
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