Медицинские технологии список научных статей
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Solving the Inverse Problem of Relationship Between Action Potentials and Field Potentials in Cardiac Cells
Multiple electrode array (MEA) systems are the instrument platforms being used for cardiac extracellular electrophysiology investigation. Key applications of MEA technology are disease modeling and screening of drug effects. To solve these problems the efforts of many scientists are directed to...
2021 / Ivanushkina N.G., Ivanko K.O., Shpotak M.O., Prokopenko Y.V. -
Optimum Coherent and Incoherent Demodulators of BPSK and DBPSK Radio Signals with Manchester Encoding
Algorithms and schemes of optimal coherent and incoherent demodulators of binary radio signals with phase and differential phase shift-keying (DPSK) with Manchester encoding of the modulating signal are proposed. The use of DPSK makes it possible to effectively deal with the phase ambiguity of the...
2021 / Parfeniuk V.H., Sabadash S.S., Stavisiuk R.L. -
Myocardial Ischemia Detection Using a Reduced Number of ECG Leads
The study is devoted to the investigation of the electrocardiographic (ECG) features to distinguish norm and myocardial ischemia in reduced set of electrocardiographic leads. In particular, for myocardial ischemia detection the spectral features of the electrocardiographic signal and...
2022 / Mnevets A.V., Ivanushkina N.G., Ivanko K.O. -
Лiнза Ротмана Ku-дiапазону iз 4-ма вихiдними портами
Розглянута лiнза Ротмана Ku-дiапазону, яка використовується для живлення антенної системи з метою формування багатопроменевої дiаграми спрямованостi. Узгодження лiнзи за параметром S11 досягає < -10 дБ у робочому дiапазонi частот. Для отриманої геометрiї лiнзи кут сканування антени, що має чотири...
2023 / Мельник Т.Й., Сушко О.Ю. -
Метод та алгоритм обробки електроенцефалографiчних сигналiв у комп’ютерних медичних дiагностичних системах для виявлення психоемоцiйних показникiв людини
Розроблено метод та алгоритм обробки електроенцефалографiчних сигналiв при психоемоцiйному навантаженнi для пiдвищення iнформативностi комп’ютерних медичних дiагностичних систем з метою виявлення часових переходiв мiж рiзними психоемоцiйними станами у людей. Метод та алгоритм обробки...
2023 / Хвостiвський М.О., Панькiв I.М., Фуч О.В., Хвостiвська Л.В., Бойко Р.Р., Дунець В.Л., Карташов В.В. -
Method of Complex Envelope Processing for Signal Edges Detection
Problem statement. The need of information processing automation in modern radio monitoring systems stimulates development of flexible methods for signal detection and its parameters estimation in time domain. A priori uncertainty of signal time-frequency structure complicates the automatic...
2023 / Buhaiov M.V. -
SINGLE-STEP LITHOGRAPHY-FREE FABRICATION OF NANOSCALE BROADBAND RADIATION SOURCES
In this paper, we present a one-stage method for fabricating hybrid metal-dielectric nanostructures without the use of complex and expensive lithographic processes. The formation of arrays of nanoparticles occurs in the process of irradiation of a two-layer gold-silicon film with simultaneous...
2023 / Ageev E.I., Koromyslov S.V., Gremilov M.A., Danilov D.V., Petrova E.A., Shishkin I.I., Zuev D.A.ВАКESCI -
ОПРЕДЕЛЕНИЕ ПОПЕРЕЧНЫХ РАЗМЕРОВ ДЕФЕКТОВ РАССЛОЕНИЯ БИМЕТАЛЛИЧЕСКОЙ ПЛАСТИНЫ ПРИ АКТИВНОМ ТЕПЛОВОМ НЕРАЗРУШАЮЩЕМ КОНТРОЛЕ
При выявлении скрытых дефектов соединения слоев в изделиях из многослойных материалов используют различные методы неразрушающего контроля, в том числе активный тепловой контроль. Одна из основных трудностей при использовании этого метода заключается в обработке и интерпретации полученных данных...
2023 / Костылева Лилия Юрьевна, Волович Георгий Иосифович, Некрасов Сергей Геннадьевич, Рец Евгения АнатольевнаВАК -
ЭФФЕКТЫ ПСИХОЛОГИЧЕСКИХ ИНТЕРВЕНЦИЙ НА АССОЦИИРОВАННЫЕ С МАТЕМАТИЧЕСКОЙ ТРЕВОЖНОСТЬЮ ФУНКЦИОНАЛЬНЫЕ СВЯЗИ ГОЛОВНОГО МОЗГА
Обоснование. Математическая тревожность связана с негативными эмоциональными переживаниями, возникающими при необходимости решать математические задачи. Высокий уровень математической тревожности снижает вероятность выбора образовательного и карьерного трека в STEM (наука, технология, инженерное...
2023 / Яковлев Никита Иванович, Есипенко Елена Александровна, Архипова Ольга Викторовна, Марейчева Екатерина Максимовна, Маташова Тахмина Дуйшоналыевна, Мацепуро Дарья МихайловнаВАК -
ОСОБЕННОСТИ И ВОЗМОЖНОСТИ БИОИМПЕДАНСОМЕТРИИ КРОВИ
Биоимпедансометрия давно применяется для определения некоторых показателей крови, используемых в лабораторной диагностике. В силу специфики крови, как жидкой дисперсной среды, ее электропроводность непосредственно связана с относительным объемом непроводящей фазы, то есть эритроцитами, в связи с...
2022 / Луньков Александр Евгеньевич, Поздняков Михаил Валерьевич, Низаметдинова Динара Рустамовна, Карпочева Елена ПетровнаВАК -
MODIFIED HEXANIT CUTTERS FOR KNURLING OF CYLINDRICAL SHAFT SECTIONS
The possibility of using conventional cutters, in which the super-hard materials Hexanit R acts as the material for the diamond knurling of shaft sections made of steel 10, has been investigated. It is recommended to use damaged replaceable tips with superhard material as tool blanks, which...
2020 / Bogdan Korobko, Ievgen Vasyliev, Stanislav Popov, Anatoly Vasilyev -
NUMERICAL STUDY OF THE EXHAUST GAS FLOW OF TV3-117 TYPE ENGINES IN COMPOSITION WITH A SCREEN – EXHAUST DEVICE
The object of research is a screen-exhaust device in the TV3-117 engine of the Mi-8 helicopter. Investigated problem: The problem of equalizing the flow in the exhaust nozzle is solved. As a result of the numerical study, the total pressure losses are calculated and the flow structures in the...
2020 / Mykhailo Kinaschuk -
FORECASTING OF FORMATION OF PHARMACEUTICAL GLASS WASTE TAKING INTO ACCOUNT THE COVID-19 DATABASE
Subject of research: forecasting the formation of pharmaceutical glass waste in medical institutions, taking into account the peculiarities of the use of medicines during the COVID-19 epidemic in Ukraine. Research problem: Predicting the formation and accumulation of pharmaceutical glass waste in...
2020 / Antonina Baranova, Nataliia Samoilenko, Inna Pitak -
linear dynamic system time and space variable parameters mathematical model crane electric drive variable moment of inertia of rotating masses variable load moment simulation
Object of research: comparative assessment and selection of an unmanned aerial vehicle for mine reconnaissance sample. Investigated problem: substantiation of the methodological apparatus for comparative assessment and selection of an unmanned aerial vehicle for mine reconnaissance sample, taking...
2020 / Vadym Neroba -
METHODS FOR INCREASING THE CLASSIFICATION ACCURACY BASED ON MODIFICATIONS OF THE BASIC ARCHITECTURE OF CONVOLUTIONAL NEURAL NETWORKS
Object of research: basic architectures of deep learning neural networks. Investigated problem: insufficient accuracy of solving the classification problem based on the basic architectures of deep learning neural networks. An increase in accuracy requires a significant complication of the...
2020 / Svitlana Shapovalova, Yurii Moskalenko -
COMPARISON OF THE CONDITION OF THE PERI-IMPLANT ORAL MUCOUS ACCORDING TO THE RESULTS OF DIGITAL MICROSCOPY
The object of the study there is a level of hyperemia of the mucous membrane around the installed intraosseous dental implants with different coating material according to the results of histogram analysis of digital microscopy. The problem to be solved – evaluation of the degree of hyperemia of...
2020 / Dmytro Korol, Artem Yefimenko, Mykhailo Korol -
BINARY AND RED - BLACK TREES. TIME SEARCH2016 / Zharlykasov B.J., Abatov N.T.
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GENERAL-PURPOSE AUTOMOBILE RESTRAINING DEVICE "KEA ISOFIX EVOLUTION"
As the result of the analysis of world famous restraining devices design for transporting people by motor vehicles, a new design of a seat belt fixed to the body of a car and a new scheme of fastening a passenger by seat belts are offered. The proposed design will significantly improve the safety...
2016 / Kravets E.A., Omarov M.S., Bekenov A.M., Kravets I.E. -
RESEARCH OF MODELS AND ALGORITHMS OF REMOTE MONITORING OF ARTERIAL PRESSURE
Monitoring blood pressure is an important aspect of human health. Modern technologies for monitoring blood pressure allow for increased accuracy of measurements and facilitate the process of controlling this health indicator. The use of artificial intelligence and machine learning can help develop...
2023 / O. Ismailov, S. Mirzakhalilov -
STATIC STRENGTH ESTIMATE OF STRUCTURAL ELEMENTS OF IMPLANT SYSTEMS LIKO 4×10 OF VARIOUS DESIGNS
Introduction. The creation of effective, reliable, safe, technologically advanced and competitive products is the main task of medical device engineering. The most important requirement to modern medical devices is to guarantee patients’ safety during their lifetime. Today the use of modern...
2023 / Sarkisov Armen Akopovich, Avanisyan Vazgen Mikhailovich, Dolgalev Alexander Alexandrovich, Sergeev Yuriy Andreevich