Search
Now showing items 61-70 of 111
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 ...
Formalization of tasks generation for complex of interactive web-tests on math
(ХАІ, 2021)
The approach to the formalization of the generation of problem situations applicable to the development of tutoring programs consisting of many tasks is considered. The main errors arising during the software-based generation ...
Diagnostic support of an intelligent tutor system for teaching skills to solve algebraic equations
(ХАІ, 2021)
The subject of research in this article is the process of analyzing the steps for solving algebraic equations using the Lobachevsky-Graeffe-Dandelen method. The goal is to model the process of solving algebraic equations ...
Modeling the impact of threats and vulnerabilities in transport logistics of a developing enterprise
(ХАІ, 2021)
A scientific and applied problem of modeling the impact of threats and vulnerabilities in the logistics of transportation of goods of a distributed production system was posed and solved.
Artificial intelligence as the cognitive value of heuristic models
(ХАІ, 2022)
This article is devoted to heuristic modeling of the structure of interconnections in nano-, bio- and information technologies and in cyber-physical systems, graphic images of which allow studying the fine structure of ...
Adaptive two-step method for providing the desired visual quality for SPIHT
(ХАІ, 2022)
is employed to evaluate the image quality. The research method is based on a validation ex periment that is
conducted for an image set covering different image complexity and texture features. The comparison results ...
Information technology for analysis of waste management objects infrastructure
(ХАІ, 2022)
The subject of study in this article is the process of analyzing infrastructure objects for waste management. The current article increases the objectivity of waste management infrastructure objects estimated by developing ...
Development of tools for information protection of optical text recognition systems
(ХАІ, 2022)
The purpose of the work is to formulate the concept of creating a modern simple and reliable method for protecting information during its transmission over communication channels, to determine the objective criteria for ...
Impact of war on COVID-19 pandemic in Ukraine: the simulation study
(ХАІ, 2022)
This article describes experimental studies of implementing the COVID-19 epidemic pro-cess model in Ukraine based on the polynomial regression method. The constructed model was sufficiently ac-curate in deciding on ...
Low SNR treshold in rapid estimators of complex sinusoidals
(ХАІ, 2016)
A task of estimation of complex sinusoid frequency is considered. A particular but practically important case of
low signal-to-noise ratio (SNR) is studied. The low SNR threshold, commonly overlooked in development of ...