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

被引：15

作者：

Al-Ali, A. A. ^{[1
]}

Elwakil, A. S. ^{[2
,3
]}

Maundy, B. J. ^{[1
]}

Freeborn, T. J. ^{[4
]}

机构：

[1] Univ Calgary, Dept Elect & Comp Engn, 2500 Univ Dr NW, Calgary, AB, Canada

[2] Univ Sharjah, Dept Elect & Comp Engn, POB 27272, Sharjah, U Arab Emirates

[3] Nile Univ, NISC, Cairo, Egypt

[4] Univ Alabama, Dept Elect & Comp Engn, Tuscaloosa, AL USA

来源：

CIRCUITS SYSTEMS AND SIGNAL PROCESSING | 2018年 / 37卷 / 08期

基金：

加拿大自然科学与工程研究理事会;

关键词：

Kramers-Kronig transform; Bio-impedance; Phase measurement; ELECTROCHEMICAL IMPEDANCE DATA; DESIGN; DISPERSION; DEVICE; VALIDATION; PARAMETERS; CIRCUIT; AD5933; MODEL;

D O I：

10.1007/s00034-017-0727-y

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

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.

引用

页码：3635 / 3650

页数：16

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