Capacitance-Digital and Impedance Converter as Electrical Tomography Measurement System for Biological Tissue

被引：1
|
作者：
Ikhsanti, Mila Izzatul [1 ]
Bouzida, Rana [1 ]
Wijaya, Sastra Kusuma [1 ]
Rohmadi [2 ]
Muttakin, Imamul [2 ]
Taruno, Warsito P. [2 ]
机构：
[1] Univ Indonesia, Fac Math & Nat Sci, Dept Phys, Depok 16424, Indonesia
[2] Edwar Technol Co, CTECH Labs, Tangerang 15325, Indonesia
来源：
BIOMEDICAL ENGINEERING'S RECENT PROGRESS IN BIOMATERIALS, DRUGS DEVELOPMENT, AND MEDICAL DEVICES | 2017年 / 1817卷
关键词：
D O I：
10.1063/1.4976798
中图分类号：
R318 [生物医学工程];
学科分类号：
0831 ;
摘要：
This research aims to explore the feasibility of capacitance-digital converter and impedance converter for measurement module in electrical capacitance tomography (ECT) system. ECT sensor used was a cylindrical sensor having 8 electrodes. Absolute capacitance measurement system based on Sigma Delta Capacitance-to-Digital-Converter AD7746 has been shown to produce measurement with high resolution. Whereas, capacitance measurement with wide range of frequency is possible using Impedance Converter AD5933. Comparison of measurement accuracy by both AD7746 and AD5933 with reference of LCR meter was evaluated. Biological matters represented in water and oil were treated as object reconstructed into image using linear back projection (LBP) algorithm.
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页数：9
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