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A practical bedsheet system for the non-contact and continuous monitoring of heart electric activities.

Wu, Kin Fai. / Thesis (M.Phil.)--Chinese University of Hong Kong, 2008. / Includes bibliographical references (leaves 88-91). / Abstracts in English and Chinese. / Abstract --- p.i / 槪要 --- p.ii / Acknowledgements --- p.iii / Table of Contents --- p.iv / List of Figures --- p.vi / List of Tables --- p.x / Chapter Chapter 1 --- Introduction --- p.1 / Chapter 1.1 --- Motivation --- p.1 / Chapter 1.2 --- Outline of the Proposed Design --- p.2 / Chapter 1.3 --- Purposes of the Present Study --- p.2 / Chapter Chapter 2 --- Background and Literature Review --- p.4 / Chapter 2.1 --- Electrocardiogram --- p.4 / Chapter 2.2 --- Conventional ECG Measurement --- p.7 / Chapter 2.3 --- Heart Rate --- p.8 / Chapter 2.4 --- Heart Rate Variability --- p.9 / Chapter 2.5 --- Capacitive Sensing --- p.11 / Chapter 2.6 --- Review of ECG Monitoring System by Capacitive Sensing On a Sleeping Bed --- p.14 / Chapter Chapter 3 --- System Design and Implementation --- p.17 / Chapter 3.1 --- Hardware --- p.17 / Chapter 3.1.1 --- Bedsheet Sensor --- p.17 / Chapter 3.1.2 --- Pre-amplifier --- p.21 / Chapter 3.1.3 --- Measuring Device --- p.30 / Chapter 3.1.4 --- Power Supply & PCB Layout --- p.49 / Chapter 3.2 --- Software --- p.52 / Chapter 3.2.1 --- Detection of R Waves --- p.52 / Chapter 3.2.2 --- Tracking of HR & Mean RR Intervals --- p.55 / Chapter 3.2.3 --- Estimation of Signal-to-Noise Ratios --- p.56 / Chapter Chapter 4 --- Preliminary Tests on the Functionality of the Proposed System --- p.57 / Chapter 4.1 --- Test I - Test on the Arrangement of Electrodes --- p.57 / Chapter 4.1.1 --- Methods --- p.57 / Chapter 4.1.2 --- Results --- p.60 / Chapter 4.2 --- Test II - Test on the ECG Measurement of Subjects in Different Sleeping Postures --- p.64 / Chapter 4.2.1 --- Methods --- p.64 / Chapter 4.2.2 --- Results --- p.65 / Chapter Chapter 5 --- Experiments on the Performance of Continuous Monitoring of ECG and HR --- p.69 / Chapter 5.1 --- Experiment I - Experiment on the Reliability of the Proposed System for Continuous Monitoring of ECG and HR on Thirty Subjects --- p.69 / Chapter 5.1.1 --- Methods --- p.70 / Chapter 5.1.2 --- Results --- p.70 / Chapter 5.2 --- Experiment II - Experiment on the Feasibility of the Proposed System for Continuous Monitoring of ECG and HR on a Subject During an Eight-hour Sleep --- p.75 / Chapter 5.2.1 --- Materials --- p.76 / Chapter 5.2.2 --- Methods --- p.76 / Chapter 5.2.3 --- Results --- p.77 / Chapter Chapter 6 --- Discussions --- p.81 / Chapter 6.1 --- Selection of the Passband of the Proposed Circuit --- p.81 / Chapter 6.2 --- Arrangement of Electrodes on the Bedsheet --- p.82 / Chapter 6.3 --- Practical Design of Electrodes --- p.83 / Chapter 6.4 --- Performance of Continuous Monitoring of HR by Using the Proposed System --- p.84 / Chapter Chapter 7 --- Conclusion --- p.86 / References --- p.88

Identiferoai:union.ndltd.org:cuhk.edu.hk/oai:cuhk-dr:cuhk_326266
Date January 2008
ContributorsWu, Kin Fai., Chinese University of Hong Kong Graduate School. Division of Electronic Engineering.
Source SetsThe Chinese University of Hong Kong
LanguageEnglish, Chinese
Detected LanguageEnglish
TypeText, bibliography
Formatprint, x, 91 leaves : ill. ; 30 cm.
RightsUse of this resource is governed by the terms and conditions of the Creative Commons “Attribution-NonCommercial-NoDerivatives 4.0 International” License (http://creativecommons.org/licenses/by-nc-nd/4.0/)

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