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《Electrical Measurement & Instrumentation》 2007-03
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The design of feeble and slowly varying current gathering system based on CPLD

LI Hai-ting,HAN Yan,WANG Li-ming(School of Information and Communication Engineering,North University of China,taiyuan 030051,China)  
On the particularity of the gathering of feeble and slowly varying current,this thesis discusses the fundamentals of chopper-stabilized minutely and designs a high-speed,high-precision,high-resolution ratio and low-noise universal feeble and slowly varying current digital gathering system using TLC2652 amplifier,and ADS8411B with parallel interface and controlled by CPLD.This system can be extensively used in instrument,detecting controlling system and the controlling on industrial site in which occasion that has to gather feeble and slowly varying current at a mid or high speed but requires high-resolution ratio.
【Fund】: 国家自然基金资助项目(No:60602041);; 山西省自然基金资助项目(No:2006021018)
【CateGory Index】: TP274.2
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【Citations】
Chinese Journal Full-text Database 1 Hits
1 Xie,Ping Chen,Jianhui Hu,Jiwen;The Research of ADC Combination Based on CPLD[J];Control & Automation;2005-16
【Co-citations】
Chinese Journal Full-text Database 10 Hits
1 WANG Jia-feng (Institute of Electronic Engineering, China Academic of Engineering Physics, Mianyang 621900, China);Time Integrating Detection of Weak Periodic Signal[J];Ordnance Industry Automation;2007-09
2 ZHANG Ning1,LIN Chun-sheng1,PANG Xue-liang1,YU Li-yang2(1.Department of Weaponry Engineering,Naval Engineering University,Wuhan 430033,Hubei,China;2.Naval Military Commissary in NO.426 Dalian,Dalian 116005,Liaoning,China);Time-frequency Identification of Weak Warship Signals in Complex Sea State Background[J];Acta Armamentarii;2009-06
3 HUANG Yong-mei,LIN Min (College of Metrology Technology and Engineering, China Jiliang University,Hangzhou 310018, China);The Weak Signal Frequency in Silicon Resonance Microsensor Measurement Based on Heterodyne Stochastic Resonance Method[J];Chinese Journal of Sensors and Actuators;2006-05
4 WANG Ling*,LIU Jun,SHI Yun-bo(National Key Lab for Electronic Measurement and Technology,North university of China,Taiyuan 030051,China);Design of Differential Capacitance Detection Circuit[J];Chinese Journal of Sensors and Actuators;2006-06
5 WANG Haoyu1,CAO Jian1,AN Chenguang2 1.Dep.of Physics Science and Technology,Central South University,Changsha 410083,China; 2.Beijing Huadian Yuntong Power Technical Co Ltd,Beijing 100069,China;Applicable Research of Thermal Conductivity Sensor for Gases Based on MEMS[J];Chinese Journal of Sensors and Actuators;2009-07
6 SHI Yun-bo,WANG Ling,LIU Jun (State Key Laboratory of Electronic Measurement Technology,Department of Electronic Science and Technology,North University of China,Taiyuan 030051,China);Detection circuit design of MEMS capacitive accelerometer[J];Transducer and Microsystem Technologies;2006-08
7 LI Rui-jia,LI Rong-bing,LIU Jian-ye(Navigation Research Center,Nanjing University of Aeronautics and Astronautics,Nanjing 210016,China);Duffing-oscillator-based detection of periodic weak signals of MEMS gyro[J];Transducer and Microsystem Technologies;2007-11
8 ZHANG Zhong-rong,LIU Wu,ZHANG Wei-ping,CHEN Wen-yuan(National Key Laboratory of Micro-Nano Fabrication,Key Laboratory of Educational Ministry of Thin Films & Micro-fabrication,Micro-Nano Science andTechnology Research Institute,Shanghai Jiaotong University,Shanghai 200030,China);Study on signal detection of control system of electrostatically micromachined motor with two stators[J];Transducer and Microsystem Technologies;2008-05
9 QI Jing-jing, HUANG Cai-xia (Electroic Information Engineering College,Henan Uinversity of Science & Technology, Luoyang 471039, China);The Design of Signal Source Based on FPGA and LabVIEW[J];Computer Knowledge and Technology;2008-31
10 XUE Li-ni,CUI Wei-xin(Department of Electrical & Electronic Engineering,North China Electric Power University,Beijing 102206,China);Design Practice Teaching in Communication System Based on FPGA[J];Journal of Electrical & Electronic Education;2009-02
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