Measurement and Evaluation of the Bioelectrical Impedance of the Human Body by Deconvolution of a Square Wave

Yuhwai TSENG  Chauchin SU  Chien-Nan Jimmy LIU  

Publication
IEICE TRANSACTIONS on Information and Systems   Vol.E93-D   No.6   pp.1656-1660
Publication Date: 2010/06/01
Online ISSN: 1745-1361
DOI: 10.1587/transinf.E93.D.1656
Print ISSN: 0916-8532
Type of Manuscript: LETTER
Category: Biological Engineering
Keyword: 
body impedance,  square test waveform,  deconvolution,  

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Summary: 
In this study, we use the deconvolution of a square test stimulus to replace a series of sinusoidal test waveforms with different frequencies to simplify the measurement of human body impedance. The average biological impedance of body parts is evaluated by constructing a frequency response of the equivalent human body system. Only two stainless-steel electrodes are employed in the measurement and evaluation.