[1]郭虹,李岩,张礼勇,等.12电极相干电容层析成像检测系统[J].哈尔滨理工大学学报,2009,(05):31-34.
 GUO Hong,LI Yan,ZHANG Li-yong.12-electrodes Electrical Capacitance Tomography Detection System Based on Relevant Technology[J].哈尔滨理工大学学报,2009,(05):31-34.
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12电极相干电容层析成像检测系统()
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《哈尔滨理工大学学报》[ISSN:1007-2683/CN:23-1404/N]

卷:
期数:
2009年05期
页码:
31-34
栏目:
测控技术与通信工程
出版日期:
2009-10-25

文章信息/Info

Title:
12-electrodes Electrical Capacitance Tomography Detection System Based on Relevant Technology
作者:
郭虹; 李岩; 张礼勇;
哈尔滨理工大学测控技术与通信工程学院;
Author(s):
GUO Hong; LI Yan; ZHANG Li-yong
School of Measure-control Technology and Communications Engineering; Harbin University of Science and Technology; Harbin 150080; China
关键词:
电容层析成像 传感器 锁相环 相干技术 杂散电容
Keywords:
electrical capacitance tomography sensors phase locked loop relevant technology stray capacitance
分类号:
TP274.4
文献标志码:
A
摘要:
在电容层析成像系统中,要求移相器的输出必须与检测信号达到精确同频同相,从而保证相敏解调输出的准确性.而在检测系统中存在大量杂散电容,使检测信号产生相移.为提高检测的准确性,以12电极油水两相流电容层析成像系统为研究对象,在分析电容层析成像系统测量原理的基础上,设计了电容层析成像检测系统,系统采用相干解调的方法避免了杂散电容对相位的影响.并通过实验验证了方法是实用可行的.
Abstract:
In ECT system,it is requested that the output signal of the phase shifter must have the same frequency and phase with the detect signals to ensure the accuracy of the phase-sensitive demodulator’s output.But in the detection system there are a large number of stray capacitance,which makes phase shift of the detect signals.To improve the accuracy of the detection,the research of 12-electrode oil-water two-phase flows electrical capacitance tomography system was carried out.Based on the analysis of the ECT sy...

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备注/Memo

备注/Memo:
黑龙江省自然科学(F200505);; 黑龙江省教育厅(11511078)
更新日期/Last Update: 2009-12-16