Zobrazeno 1 - 10
of 19
pro vyhledávání: '"Oleksandr Vasilevskyi"'
Publikováno v:
Informatyka, Automatyka, Pomiary w Gospodarce i Ochronie Środowiska, Vol 14, Iss 3 (2024)
The work used Maxwell's electromagnetic theory to quantitatively describe the emissivity of solid materials through electrical resistivity and temperature. An equation is proposed for recalculating the emissivity of smooth surfaces into powdery or ro
Externí odkaz:
https://doaj.org/article/e801f3a1a1d243a9b36ae4407fd47aae
Publikováno v:
Informatyka, Automatyka, Pomiary w Gospodarce i Ochronie Środowiska, Vol 13, Iss 3 (2023)
Taking into account the peculiarities of using the MAX86150 evaluation system for measuring ECG and PPG signals, mathematical models were developed for indirect determination of systolic and diastolic pressure using fingers on the hand, which were te
Externí odkaz:
https://doaj.org/article/26a928af07f44ae287d8715dcd70139d
Autor:
Kostyantyn Ovchynnykov, Oleksandr Vasilevskyi, Volodymyr Sevastianov, Yurii Polievoda, Aliya Kalizhanova, Bakhyt Yeraliyeva
Publikováno v:
Informatyka, Automatyka, Pomiary w Gospodarce i Ochronie Środowiska, Vol 12, Iss 2 (2022)
The article provides an analysis of the physical processes underlying the operation of the measuring transducer, with a time based information presentation. A mathematical model is developed that describes the process of free oscillation attenuation
Externí odkaz:
https://doaj.org/article/f3493c5fb9a343dcb4f950d8119508aa
Publikováno v:
Informatyka, Automatyka, Pomiary w Gospodarce i Ochronie Środowiska, Vol 9, Iss 3 (2019)
The methodology for controlling the concentration of carbon dioxide in flue gases from boilers is an optical absorption method with improved metrological characteristics. Studies done in the article, provided the new, scientifically-based theoretical
Externí odkaz:
https://doaj.org/article/a659680380654c4bb9b5ef3732debc56
Autor:
Gennadiy . Bortnyk, Vasyl . Kychak, Oleksandr . Vasilevskyi, Mikola . Vasylkivskyi, Anatolii . Slobodyanik, Ryszard Romaniuk, Andrzej Smolarz, Bakhyt Yeraliyeva
Publikováno v:
Photonics Applications in Astronomy, Communications, Industry, and High Energy Physics Experiments 2022.
Autor:
Oleksandr Vasilevskyi, Oleksandr Voznyak, Volodymyr Didych, Volodymyr Sevastianov, Oleksandr Ruchka, Volodymyr Rykun
Publikováno v:
2022 IEEE 41st International Conference on Electronics and Nanotechnology (ELNANO).
Publikováno v:
ACTA IMEKO. 10:54
A technique is proposed for estimating the probability of the possible appearance of defective products or the inconsistency of the production service on the basis of indexes of suitability and reproducibility of the production process.The index of r
Autor:
Oleksandr Vasilevskyi
Publikováno v:
ACTA IMEKO. 10:199
A method for estimating the level of confidence when determining the coverage factor based on control errors is proposed, using the example of measurements of ion activity. Using information on tolerances and uncertainty, it is possible to establish
Autor:
Olena Semenova, Alexander Osadchuk, Oleg Bisikalo, Vladimir Osadchuk, Andriy Semenov, Oleksandr Vasilevskyi
Publikováno v:
2018 International Scientific-Practical Conference Problems of Infocommunications. Science and Technology (PIC S&T).
The paper presents electrical circuits and mathematical models for two versions of a transistor Colpitts oscillator. The chaotic dynamic of these Colpitts oscillator versions has been researched. Ultra-wideband chaotic signals of these two Colpitts o
Autor:
Oleksandr Vasilevskyi
Publikováno v:
Web of Science
Oleksandr Vasilevskyi
Oleksandr Vasilevskyi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::07a161deb804b3dd3dd77c2177342250
https://publons.com/wos-op/publon/16456595/
https://publons.com/wos-op/publon/16456595/