Temat: medical acoustics - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Noninvasive acoustic blood volume measurement system for the POLVAD prosthesis
Autorzy:: Opilski, Z.
Konieczny, G.
Pustelny, T.
Gacek, A.
Kustosz, R.
Gawlikowski, M.
Powiązania:: https://bibliotekanauki.pl/articles/200093.pdf
Data publikacji:: 2011
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: heart prosthesis
medical acoustics
blood volume measurement system
Opis:: The following paper presents researches concerning a noninvasive real-time blood volume measurement system applied in POLVAD prosthesis. The system is based on the acoustic Helmholtz resonator principle. The basis of the measurement method, followed by the preliminary tests of the possibility of incorporating the Helmholtz resonance idea into the POLVAD prosthesis is shown. The paper includes the actual measurement system construction and test results, both static and dynamic obtained at the Foundation for Cardiac Surgery Development in Zabrze, Poland. Conclusions and future plans are presented too.
Źródło:: Bulletin of the Polish Academy of Sciences. Technical Sciences; 2011, 59, 4; 429-433
0239-7528
Pojawia się w:: Bulletin of the Polish Academy of Sciences. Technical Sciences
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Effect of changing body position on selected voice parameters
Autorzy:: Węglarz, Karolina
Wszołek, Wiesław
Hemmerling, Daria
Powiązania:: https://bibliotekanauki.pl/articles/24201974.pdf
Data publikacji:: 2022
Wydawca:: Politechnika Poznańska. Instytut Mechaniki Stosowanej
Tematy:: speech acoustics
signal processing
medical diagnostics
akustyka mowy
przetwarzanie sygnałów
diagnostyka medyczna
Opis:: Correct posture is a key element in the proper functioning of the entire body. Both defects and postural disorders lead to overload syndromes and degenerative changes in the musculoskeletal system. Different body positions correlate with respiratory parameters, which form the basis in modifying loudness and accentuation when speaking or singing Body posture can affect the quality of the voice signal and its fatigue. As movement and duration intensify, vocal effort increases. What is still open, however, is the problem of speech signal evaluation, especially in order to obtain assessments useful in the context of supporting medical diagnosis, optimizing therapy and monitoring rehabilitation. Meanwhile, such evaluations are what we need in medicine, rehabilitation and sports. This paper presents excerpts from a study of the effects of changes in posture and fatigue in healthy subjects, and those with phonation disorders, on changes in the acoustic parameters of the speech signal.
Źródło:: Vibrations in Physical Systems; 2022, 33, 3; art. no. 2022320
0860-6897
Pojawia się w:: Vibrations in Physical Systems
Dostawca treści:: Biblioteka Nauki

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