by Leung Chung-chu. / Thesis (M.Phil.)--Chinese University of Hong Kong, 1993. / Includes bibliographical references (leaves 101-107). / ABSTRACT --- p.i / ACKNOWLEDGEMENTS --- p.iii / LIST OF ABBREVIATIONS --- p.iv / LIST OF PUBLICATIONS --- p.v / TABLE OF CONTENTS --- p.vi / Chapter CHAPTER 1 --- Introduction / Chapter 1.1 --- Background of the Rheopneumograph --- p.1 / Chapter 1.2 --- The Electrical Bio-impedance (EBI) technique used in Rheopneumography --- p.2 / Chapter 1.3 --- Problems with analysis of Rheopneumograph --- p.6 / Chapter 1.4 --- The EBI measurement unit --- p.8 / Chapter 1.5 --- Data analysis in Rheopneumography and the electrode design --- p.8 / Chapter 1.6 --- Modelling analysis in Rheopneumography --- p.9 / Chapter 1.7 --- Thesis outline --- p.10 / Chapter CHAPTER 2 --- Improvement to the impedance measurement system / Chapter 2.1 --- Introduction --- p.13 / Chapter 2.1.1 --- The Coherent Detection method in EBI signal --- p.13 / Chapter 2.1.2 --- To discuss the problem in Coherent Detection method --- p.16 / Chapter 2.1.3 --- To discuss the problem in Costas Receiver method --- p.16 / Chapter 2.2 --- The concept of the Amplitude Modulation Receiver --- p.17 / Chapter 2.3 --- EBI measurement unit design using AM receiver technique --- p.18 / Chapter 2.3.1 --- The C-Y receiver --- p.18 / Chapter 2.3.2 --- A simple DC offset adjust circuit --- p.23 / Chapter 2.3.3 --- 555KHz local oscillator and constant current source --- p.25 / Chapter 2.3.4 --- Selection of the low pass filter --- p.29 / Chapter 2.4 --- The characteristic of the whole circuit and performance --- p.32 / Chapter 2.5 --- Discussion --- p.36 / Chapter CHAPTER 3 --- Data analysis in Rheopneumogram / Chapter 3.1 --- Introduction --- p.38 / Chapter 3.2 --- The 5-10 electrode array method applied in Thorax Montage --- p.39 / Chapter 3.2.1 --- The definition of the 5-10 electrode array method --- p.39 / Chapter 3.2.2 --- The advantage of the 5-10 electrode array method --- p.41 / Chapter 3.3 --- Signal analysis in subject-to-subject comparison --- p.41 / Chapter 3.3.1 --- The relationship between the ECG and Rheopneumogram --- p.45 / Chapter 3.4 --- Identification of the best electrode location in Rheopneumograph using Pump-jet model --- p.51 / Chapter 3.4.1 --- The fluid mechanical model device (Pump-jet model) --- p.51 / Chapter 3.4.2 --- Result and discussion --- p.57 / Chapter 3.5 --- Electrical conductivity studies in Silicon fluid-Graphite composites applied in EBI electrode array system --- p.62 / Chapter 3.5.1 --- Experimental procedure and results --- p.63 / Chapter 3.6 --- Discussion --- p.73 / Chapter CHAPTER 4 --- Model analysis for the Impedance Rheopneumogram / Chapter 4.1 --- Introduction --- p.76 / Chapter 4.2 --- Blood flow phenomenon study in Rheopneumogram using Pipeline model --- p.78 / Chapter 4.2.1 --- Model derivation --- p.79 / Chapter 4.2.2 --- Result and discussion --- p.86 / Chapter 4.3 --- Blood velocity study in Rheopneumogram using Pump-jet model --- p.94 / Chapter 4.3.1 --- Result and discussion --- p.94 / Chapter 4.4 --- Conclusion --- p.96 / Chapter CHAPTER 5 --- General discussion and Conclusion --- p.97 / Chapter CHAPTER 6 --- Reference --- p.101 / APPENDICES / Chapter I --- Measurement method in the study --- p.107 / Chapter II --- The simplification of an equation in pump-jet model --- p.109 / Chapter III --- The simplification of an equation in pipeline model --- p.111 / Chapter IV --- Impedance relation between body and electrode --- p.112 / Chapter V --- The procedure of the curve fitting --- p.113