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《Journal of Circuits and Systems》 2004-04
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A Novel Circuit for Measuring Oil-water Two-phase Flows Using Electrical Capacitance Tomography system

CHEN De-yun, YU Xiao-yang, ZHAO Xia, SUN Li-quan ( Harbin University of Science and Technology, Harbin 150080, China )  
Electrical capacitance tomography is the main trend of technology, in which how to measure the low value capacitance is the key issue of implementation. For this purpose, a novel measurement circuit for electrical capacitance tomography system is presented in this paper. Experiments indicate that static error is less than 0.2% for capacitance measurement with 0.05% of drift per hour. Experimental results verify the performance of this circuit quite satisfactory
【Fund】: 黑龙江省重点科技攻关项目(GC02A126);; 黑龙江省自然科学基金(F01-25);; 教育部重点科技项目(204043);; 黑龙江省教育厅计划项目(1054G014);; 哈尔滨市学科后备带头人基金(2003AF鬃5015)
【CateGory Index】: TM934
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