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A versatile DAS for radial pulse wave and other cardiovascular measurement. / A versatile date acquisition system for radial pulse wave and other cardiovascular measurement

by Fan Kai Leung. / Thesis (M.Phil.)--Chinese University of Hong Kong, 1993. / Includes bibliographical references (leaves [87-96]). / Abstract / Acknowledgement / Chapter Chapter 1 --- Introduction / Chapter 1.0 --- Foreword / Chapter 1.1 --- Project Objective / Chapter 1.2 --- Historical Background / Chapter 1.3 --- The properties of Radial Pulse Wave-An Engineering View / Chapter 1.4 --- The development in RPW acquisition and research-An Overview / Chapter 1.5 --- Problems to be solved for RPW data acquisition system / Chapter 1.6 --- The contribution of this project / Chapter Chapter 2 --- System Realisation / Chapter 2.0 --- Foreword / Chapter 2.1 --- System Development-An Overview / Chapter Chapter 3 --- Signal Preprocessing Unit / Chapter 3.0 --- Foreword / Chapter 3.1 --- Earlier Methods for offset Cancellation / Chapter 3.2 --- Feedback control of the offset and d.c. transient cancellation / Chapter 3.3 --- The level shifting circuit / Chapter 3.4 --- Amplifier / Chapter 3.6 --- The 50Hz notch filter / Chapter 3.7 --- The 4th order low pass filter / Chapter 3.8 --- Circuit for controlling valves and pump / Chapter Chapter 4 --- Signal Processing for RPW Acquisition / Chapter 4.0 --- Foreword / Chapter 4.1 --- Artefact and signal noise / Motion artefact / Respiratory Artefact / Base line shift due to tissue displacement / Electromagnetic Interference and circuit noise / Chapter 4.2 --- Artefact Correction by the Switch Capacitive Device(MF-6) / Operating principle / Result and Discussion / Chapter 4.3 --- Artefact Correction by Recursive Moving Average(RMA) / The RMA Operation / Software Implementation of RMA / Chapter 4.4 --- Further Improvement of the RMA baseline estimator / Chapter 4.5 --- Signal Noise Suppression by Non-linear filtering / Chapter 4.6 --- An arithmetic cycle detector for RPW and ECG / Chapter Chapter 5 --- The Software for the DAS / Chapter 5.0 --- Foreword / Chapter 5.1 --- The present DAS software / Chapter 5.2 --- The software design / Chapter 5.3 --- Important points about the software / Signal input / Waveform display and smooth scrolling / Dynamic display area allocation / The software FIFO data buffer / Chapter Chapter 6 --- Recapitulation and Topics for Further Investigation / Chapter 6.0 --- Foreword / Chapter 6.1 --- Recapitulations / Objective / Difficulties / System Realisation / Signal Preprocessing Unit / Signal Processing / The software / Chapter 6.2 --- Direction for further investigation / Improvement to the DAS / Data analysis and modelling research / Appendix A The Comparasion of the RMA and SMA Characteristics / Appendix B List of Publications

Identiferoai:union.ndltd.org:cuhk.edu.hk/oai:cuhk-dr:cuhk_319135
Date January 1993
ContributorsLeung, Fan Kai., Chinese University of Hong Kong Graduate School. Division of Electronic Engineering.
PublisherChinese University of Hong Kong
Source SetsThe Chinese University of Hong Kong
LanguageEnglish
Detected LanguageEnglish
TypeText, bibliography
Formatprint, [108] 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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