A Novel Microwave Phased- And Perturbation-Injection-Locked Sensor with Self-Oscillating Complementary Split-Ring Resonator for Finger and Wrist Pulse Detection

Keyphrases

• Injection Locking 100%
• Self-oscillating 100%
• Pulse Detection 100%
• Complementary Split Ring Resonator 100%
• Wrist Pulse 100%
• Finger Pulse 100%
• Frequency Deviation 60%
• Phase Shift 40%
• Frequency-modulated Signal 40%
• Resonant Frequency 20%
• High Sensitivity 20%
• Electric Field (E-field) 20%
• Phase-locked Loop 20%
• Perturbation Theory 20%
• System Architecture 20%
• Wrist 20%
• Circuit Size 20%
• Sensing Mechanism 20%
• Compact Circuits 20%
• Healthcare Applications 20%
• Vital Signs 20%
• Simple System 20%
• Signal Base 20%
• Photoplethysmography Sensor 20%
• Diastolic Pressure 20%
• Systolic Pressure 20%
• Demodulation Algorithm 20%
• Pulse Period 20%
• Waveform Shape 20%
• Skin Surface 20%
• Periodic Variation 20%
• Wearable Sensors 20%
• Tuning Voltage 20%
• Near-field Region 20%
• Size Sensitivity 20%
• Sign Information 20%
• Surface Deviation 20%
• Capillary Motion 20%
• Vessel Motion 20%

Engineering

• Resonator 100%
• Frequency Deviation 60%
• Signal Modulation 40%
• Phase Locked Loop 20%
• Wearable Sensor 20%
• Sensing Mechanisms 20%
• Demodulation 20%
• Terminal Voltage 20%
• Simple System 20%
• Diastolic Pressure 20%
• Vital Sign 20%
• Field Region 20%
• Skin Surface 20%
• Pulse Interval 20%
• Electric Field 20%
• Resonant Frequency 20%
• Phase Shift 20%

Material Science

• Resonator 100%
• Electronic Circuit 20%
• Surface (Surface Science) 20%