Radar-Based Heart Cardiac Activity Measurements: A Review
Sensors, ISSN: 1424-8220, Vol: 24, Issue: 23
2024
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New Sensor Research Study Findings Have Been Published by a Researcher at University of Aveiro (Radar-Based Heart Cardiac Activity Measurements: A Review)
2024 DEC 23 (NewsRx) -- By a News Reporter-Staff News Editor at NewsRx Cardiovascular Daily -- Investigators publish new report on sensor research. According to
Review Description
In recent years, with the increased interest in smart home technology and the increased need to remotely monitor patients due to the pandemic, demand for contactless systems for vital sign measurements has also been on the rise. One of these kinds of systems are Doppler radar systems. Their design is composed of several choices that could possibly have a significant impact on their overall performance, more specifically those focused on the measurement of cardiac activity. This review, conducted using works obtained from relevant scientific databases, aims to understand the impact of these design choices on the performance of systems measuring either heart rate (HR) or heart rate variability (HRV). To that end, an analysis of the performance based on hardware architecture, carrier frequency, and measurement distance was conducted for works focusing on both of the aforementioned cardiac parameters, and signal processing trends were discussed. What was found was that the system architecture and signal processing algorithms had the most impact on the performance, with FMCW being the best performing architecture, whereas factors like carrier frequency did not have an impact.This means that newer systems can focus on cheaper, lower-frequency systems without any performance degradation, which will make research easier.
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