Detection of Heart Rate through a Wall Using UWB Impulse Radar

Area of Science:

• Biomedical Engineering
• Radar Systems
• Physiological Monitoring

Background:

• Noncontact measurement of human physiological functions is crucial for healthcare, security, and surveillance.
• Radar technology offers a viable solution for through-wall sensing applications.

Purpose of the Study:

• To propose a new method for detecting human heartbeats using ultra-wideband (UWB) impulse radar.
• To leverage UWB radar's low power consumption and safety for physiological monitoring.

Main Methods:

• Utilizing ultra-wideband (UWB) impulse radar for signal acquisition.
• Processing radar signals in the time domain to extract heart rate.
• Applying principal component analysis (PCA) to time-series data for phase variation detection.

Main Results:

• Successful extraction of heart rate using the proposed UWB radar method.
• Demonstration of accurate heart rate detection through signal processing and PCA.
• Validation of the method's efficacy in noncontact physiological monitoring.

Conclusions:

• The developed UWB impulse radar method enables accurate, noncontact detection of human heart rate.
• This technology has significant potential for applications in remote healthcare, security, and surveillance.
• The proposed signal processing technique effectively identifies cardiac-induced phase variations.