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Today hospitals are equipped with many electronic transmitting devices, which results in electromagnetic interference that may impair wireless transmissions between medical devices. On the other hand, reliable and continuous collection via wireless communications of patient vital signs such as blood pressure and flow, core temperature, ECG, carbon dioxide (CO2) concentration is crucial for making...
This paper presents an evaluation of the sensitivity of a new thin-film stiffness sensing technology that utilizes commercial electret microphones. The analysis allows comparison of commercial microphones for stiffness sensing applications. A mathematical method to estimate the stiffness sensitivity of a commercial microphone from its acoustic sensitivity is developed. Experimental results are presented...
Przedstawiono problem jakości powietrza wewnętrznego w pomieszczeniach użyteczności publicznej takich jak sale wykładowe, szkolne, konferencyjne znajdujące się w obiektach z wentylacją naturalną. Przedstawiono wyniki pomiarów stężenia CO2 przeprowadzanych w sali wykładowej uczelni. Podwyższony poziom stężenia dwutlenku węgla można redukować podczas użytkowania takich pomieszczeń poprzez sterowanie...
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