A 60 GHz microwave noncontact system provides higher sensitivity for human heartbeat detection compared to 2.4 GHz and 5.8 GHz systems.
60 GHz may improve noncontact heartbeat detection sensitivity; leaves open clinical utility pending validation studies.
The aim of this work is to provide two new schemes for human noninvasive heartbeat activity monitoring using low power microwave noncontact systems and direct conversion architecture. The first system is tested at 2.4 GHz and 5.8 GHz frequencies. Another system, operating at 60 GHz, is demonstrated where higher heartbeat sensitivity detection is achieved.
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Obeid et al. (2009) studied this question.
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