声明
Chapter 1 Introduction
1.1 Background and Research Significance
1.2 Overseas and Domestic Research Status
1.2.1 Intrusive Monitoring System (IMS)
1.2.2 Non-Intrusive Monitoring System (NIMS)
1.3 Research content
1.4 Thesis structure
Chapter 2 Preliminaries
2.1 Distance measuring method based on acoustic signals
2.1.1 Time of Arrival (ToA)
2.1.2 Time Difference of Arrival (TDoA)
2.2 Microphone and Speaker on Smartphone
2.3 Radar Signal Processing
2.4 Acoustic signal feature extraction
2.4.1 Inverse Fast Fourier Transform
2.4.2 Windowing
2.4.3 Principal component analysis
2.5 Knowledge of sound signal processing
2.6 Chapter Summary
Chapter 3 Design of Heterogeneous Continuous Wave Signal
3.1 Introduction
3.2 CW signal and FMCW Signal
3.2.1 CW
3.2.2 FMCW
3.3 Heterogeneous Continuous Wave Signal (ULCW)
3.3.1 ULCW Signal
3.3.2 Acoustic signalAnalysis
3.4 Chapter Summary
Chapter 4 ULCW-based Vital Signal Detection System
4.1 System Overview
4.2 Signal Pre-processing
4.2.1 Signal denoising
4.2.2 Signal filtering
4.3 Feature Selection and Extraction
4.3.1 Feature Selection
4.3.2 Feature Extraction
4.4 Vital signs detection
4.4.1 Heart rate
4.4.2 Breathing rate
4.5 Simultaneous Multi-user monitoring
4.5 Chapter Summary
Chapter 5 Evaluation
5.1 Experimental setup
5.1.1 Hardware and Software
5.1.2 Participants and Scenarios
5.1.3 Data
5.2 Metrics and Baseline
5.2.1 Metrics
5.2.2 Baseline
5.3 Experiments and Results
5.3.1 Sensitivity of ULCW
5.3.2 Reliability of ULCW
5.3.3 Accuracy of ULCW
5.3.4 ECG, ACG and ULCW Comparison
5.4 Chapter Summary
Conclusions
参考文献
致谢
燕山大学;
