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12-electrodes Electrical Capacitance Tomography Detection System Based on Relevant Technology(PDF)

《哈尔滨理工大学学报》[ISSN:1007-2683/CN:23-1404/N]

Issue:
2009年05期
Page:
31-34
Research Field:
测控技术与通信工程
Publishing date:

Info

Title:
12-electrodes Electrical Capacitance Tomography Detection System Based on Relevant Technology
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
Keywords:
electrical capacitance tomography sensors phase locked loop relevant technology stray capacitance
PACS:
TP274.4
DOI:
-
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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Last Update: 2009-12-16