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Xin Li - IEEE Xplore Author Profile

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Under low signal-to-noise-and-clutter ratio circumstances, noncontact multisubjects vital sign assessment based on ultrawideband (UWB) radar is extremely difficult. It is challenging to obtain an accurate measurement since the respiratory frequency harmonics are mixed with noise during detection and are extremely near to the frequency of the heartbeat signal. We use an impulse radio UWB (IR-UWB) r...Show More