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Now showing items 57-76 of 6625
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Catalytic synthesis of graphite oxide and graphite nanostructures in transient glow-to-arc plasma discharge
(ХАІ, 2022)Carbon and carbon-based materials like graphene and graphene oxide exhibit a constantly expanding field of applications in science, medicine, and industry. However, their implementation is still hindered by the absence of ... -
Center-of-gravity position variation due to fuel utilization influence on airplane aerodynamic and thrust performance
(ХАИ, 2018)Algorithm for aerodynamic and thrust performance calculation of transport category airplanes at cruise flight mode taking into account its center-of-gravity variation in the process of fuel utilization is presented. ... -
Center-of-gravity variation influence on flight range of transport category airplane
(ХАИ, 2020)The method of transport category airplane flight range estimation taking into account its center-of-gravity position variation in the process of fuel utilization at cruising flight mode is presented. -
Chaotic behavior of Takagi-Sugeno recurrent models with Large-Scale time delay
(ХАІ, 2004)In this paper we consider the dynamic systems, which are represented by recurrent Takagi-Sugeno (TS) fuzzy rule bases. We found the conditions for the recurrent rule base with large-scale time delay that cause the ... -
Classification of the information integrity recovery methods in the systems of various complexity
(ХАІ, 2008)The main methods of data recovery are considered, the efficiency analysis according to the cost criteria, recovery speed and ability to apply it to various tasks was carried out. -
Coercion mechanism of the primitive culture as preparation for the making of the «moral man»
(ХАІ, 2018)In the article, an attempt is made to analyse the known data concerning the primitive culture with the aim of finding arguments for the development of a scheme for systematization of coercion procedures as ways to regulate ... -
Comparative analysis of the machine learning models determining COVID-19 patient risk levels
(ХАІ, 2023)The COVID-19 pandemic has posed unprecedented challenges to global healthcare systems, emphasizing the need for predictive tools for resource allocation and patient care. This study delves into the potential of machine ... -
Comparative study of linear regression and sir models of covid-19 propagation in Ukraine before vaccination
(ХАІ, 2021)The study aims to develop machine learning and compartment models of COVID-19 epidemic process and to investigate experimental results of simulation. The object of research is COVID-19 epidemic process and its dynamics in ... -
Comparison of algorithms for controlled pixel-by-pixel classification of noisy multichannel images
(ХАІ, 2019)The subject of this study is the pixel-by-pixel controlled classification of multichannel satellite images distorted by additive white Gaussian noise. The paper aim is to study the effectiveness of various methods of image ... -
Consistency issue and related trade-offs in distributed replicated systems and databases: a review
(ХАІ, 2023)This paper reviews trade-offs in distributed replicated databases and provides a survey of recent research papers studying distributed data storage. -
Continuous cuffless blood pressure measurement using feed-forward neural network
(ХАІ, 2023)The target of the study was to obtain systolic and diastolic blood pressure based on an FFNN, the input arguments of which are the parameters of the ECG and PPG signals. -
Cossacks as a cultural and historical phenomenon
(ХАІ, 2022)The national idea is the leading, unifying in the historical existence of each people, nation (ethnic group). The Ukrainian national idea runs through the entire pedagogical heritage of past epochs. It inspired whole ... -
Creation of a model of erosion processes in electrode spots during vacuum discharge
(ХАІ, 2022)The dependence of a significant decrease in the erosion coefficient with an increase in the rate of stains was determined. The obtained theoretical values of the current density coincide in order with the known experimental ... -
Creation of afterburning turbofan engine - history and present
(ХАІ, 2020)The main problems of the creation of afterburning turbofan engines, among which the irremovable surge of the compressor, is disclosed by historical analysis. According to the published models, such surge is a hydrody-namic ... -
Cutting processes for producing round shapes
(ХАІ, 2002)The condensed description of machining processes for producing round shapes with cutting tools is submitted. Recommendations оn selection of material and cutting edge geometrical parameters of tools, machining conditions ... -
Cybersecurity of FPGA-based automation systems for smart building
(ХАІ, 2015)Technology advancements such as programmable logic (FPGA) and mobile decisions have made the implementation of embedded intelligent systems within home and office appliances. This increased their capabilities and features. ... -
Cybersecurity risk analysis of multifunctional UAV fleet systems: a conceptual model and IMECA-based technique
(ХАІ, 2023)The subject of this study is to ensure the cybersecurity of systems of multifunctional UAV fleets (SMF UAV). The purpose of this study is to identify and analyze the risks associated with the cybersecurity of multi-functional ... -
Cистема комп’ютерних інформаційних технологій прогнозування негативних екологічних і соціально-економічних наслідків iмовірних пожеж на будівлях (спорудах, інших складових) пожежонебезпечних об’єктів – СКІТ ПНО
(ХАИ, 2010)Доведено надзвичайну актуальність і нагальну необхідність розроблення та впровадження СКІТ ПНО. Розроблено структурно-функціональну схему СКІТ ПНО. Обґрунтовано структурну побудову, основні операції та особливості ...