Extraction of Phase Information from Magnitude-Only Bio-impedance Measurements Using a Modified Kramers–Kronig Transform

被引：0
作者：
A. A. Al-Ali
A. S. Elwakil
B. J. Maundy
T. J. Freeborn
机构：
[1] University of Calgary,Department of Electrical and Computer Engineering
[2] University of Sharjah,Department of Electrical and Computer Engineering
[3] Nile University,Nanoelectronics Integrated Systems Center (NISC)
[4] University of Alabama,Department of Electrical and Computer Engineering
来源：
Circuits, Systems, and Signal Processing | 2018年 / 37卷
关键词：
Kramers–Kronig transform; Bio-impedance; Phase measurement;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The need for portable and low-cost bio-impedance analyzers that can be deployed in field studies has significantly increased. Due to size and power constraints, reducing the hardware in these devices is crucial and most importantly is removing the need for direct phase measurement. In this paper a new magnitude-only technique based on modified Kramers–Kronig transforms is proposed and tested. Comparison with impedance measurements of fresh and aging tomato samples using a precise industry standard impedance analyzer is carried out and explained. Error and noise analysis of the proposed algorithm are also reported.
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页码：3635 / 3650
页数：15
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