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Showing 1 to 2 of 2 for “"Welch periodogram"”.
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VALUTAZIONE DI UNA COMPONENTE A BASSA FREQUENZA DELLA VARIABILITÀ DELLA PRESSIONE ARTERIOSA SISTOLICA IN PAZIENTI CON FIBRILLAZIONE ATRIALE PERSISTENTE E SUA SUCCESSIVA ULTERIORE VALUTAZIONE MEDIANTE LINGUISTIC ANALYSIS
… method and an FFT-based spectral estimation (Welch periodogram) in 26 patients with persistent AF before and after restoration of sinus rhythm by electrical cardioversion. A low frequency (LF) component (central frequency 0.07±0.02 Hz, mean±standard deviation) of SAP variability was observed …
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Non-contract Estimation of Respiration and Heartbeat Rate using Ultra-Wideband Signals
The use of ultra-wideband (UWB) signals holds great promise for remote monitoring of vital-signs which has applications in the medical, for first responder and in security. Previous research has shown the feasibility of a UWB-based radar system for respiratory and heartbeat rate estimation. Some …