27 articles in this issue
L. M. Onufriyenko,Ya. V. Chumachenko,V. P. Chumachenko
The mathematical justification of an earlier full-wave model for a symmetrical junction of N rectangular waveguides coupled in E-plane is presented in the paper. The problem of scattering of waveguide modes is formulated in the form of a boundary value-pr... see more
V. O. Doroshenko,O. E. Strelnytskyi,O. O. Strelnytskyi
A boundary problem of excitation of a semi-infinite semi-transparent circular thin cone with a longitudinal slot by a harmonic electrical radial dipole is considered. The solution method is based on using a Debuey’s potential, the Kontorovich-Lebedev tran... see more
V. Ignatkin,V. Litvinenko,L. Olejnik,A. Tomashevskyi,A. Shpakovskyi
Formalization of the processes of exploitation and metrological service of facilities of measuring technique is done on the industrial enterprises. Certain ways of receipt of numeral decision for tasks many self-reactance optimizations of metrology servic... see more
Yu. F. Zinkovskiy,Yu. K. Sydoruk,A. O. Turovskiy
In our study we have proposed a mathematical model of multiphase cylindrical apparatus for bulk materials treatment with radio frequency electric field. According to the model the analysis of the distribution of the electric field inside the zone restrict... see more
L. ?. Karpukov,R. Y. Korolkov
The method of synthesis of stub lowpass filters with Chebyshev characteristic that does not use filters prototypes is proposed. This method is used to solve the problem of synthesizing a lowpass filter with a symmetrical structure, being composed of quart... see more
V. O. Kostenko,I. N. Smetanin,O. V. Shcekotihin
Vandal destruction supports existing power lines lead to the need for security systems supports. For this, there is must be the instrument power in units of watts on each mast. Literature review showed that it is a problematic issue. For Electric power tr... see more
V. Vysotska,L. Chyrun
The given article is devoted to the development of standardized methods and software of Web content processing in e-business systems. The model of electronic content commerce systems is developed. The article is devoted to the development of unified metho... see more
M. Ilyashenko
The paper presents graph-analytical approach for organizations resources distribution. It based on graph-subgraph isomorphismalgorithm for weighted and labeled graphs and can be considered as development of graph-subgraph isomorphism algorithm for weighte... see more
I. V. Karayuz,P. I. Bidyuk
In this study the problem of short-term forecasting for coal and crude oil production in Ukraine within the period of 2008–2012 is considered. Linear autoregressive and autoregressive moving average models as well as optimal filtering algorithm for linear... see more
Ye. I. Kucherenko,O. D. Driuk
An analytical review of existing models and methods of applied problem solving is performed. The necessity of developing of fuzzy models of mobile objects is shown. A new formal model of mobile objects control as minimization of the control error is devel... see more
A. V. Kudin,S. V. Choporov
The paper describes equations of circular symmetrical sandwich plates bending for plates with isotropic outer layers and nonlinear elastic filler. Two computer models of circular sandwich plates are proposed: 1) analytical model on the basis of Maple CAS,... see more
?. A. Lisnyak
This article describes actual problem of an automatic generation of finite elements for complex geometrical objects defined by implicit R-functions of V. L. Rvachev. Rvachev’s approach of geometrical objects description is universal. R-functions allow cre... see more
K. O. Fandieieva,V. V. Kharchenko
This article describes a method that simplifies an Internet advertising network choice decision-making. ?hoosing the online advertising network for the ad campaign is multiobjective task, as it considers several criteria groups. The main goal is to select... see more
N. Shakhovska,Yu. Bolubash
This paper introduced the concept of the term Big Data and analyzes the cause of their appearance. Thus, the specificity of Big data (the presence of diverse set of sources, data doubling, ambiguity describing data sources) leads to the fact that the inde... see more
T. Zayko,A. Oliinyk,S. Subbotin
The problem of training sample reduction is considered. A method for data reduction based on association rules is developed. The proposed method of training sample dimensionality reduction includes stages of reduction of instances, features and redundant ... see more
Ye. V. Bodyanskiy,N. E. Kulishova
The paper describes a modification of the neo-fuzzy neuron called as «extended neo-fuzzy neuron» (ENFN) that characterized by improved approximating properties. The adaptive learning algorithm for ENFN is proposed, that has both following and smoothing pr... see more
S. A. Subbotin
The problem of the development of mathematical support for data dimensionality reduction is solved. Its results can be used to automate the process of diagnostic and recognizing model construction by precedents. The set of rapid transformations from the o... see more
O. K. Tyshchenko,I. P. Pliss,D. S. Kopaliani
A new architecture and learning algorithms for a hybrid cascade optimized neural network is proposed. The proposed hybrid system is different from existing cascade systems in its capability to operate in an online mode, which allows it to work with both n... see more
D. M. Andrushchenko
There are many ways to protect copyright of digital images assigned for creating technological barriers against copyright and neighboring right violation when using digital images. But most of them do not foresee possibility of determination of copyright ... see more
A. A. Barkalov,L. A. Titarenko,I. Y. Zelenyova,S. A. Tsololo
A method for reducing the hardware amount in the circuit of compositional microprogramming control unit with common memory oriented to FPGA technology is proposed . The restrictions of LUT’s input number are taken into account. The method is based on the ... see more
A. B. Demchuk
The problem of video access of people with total or partial loss of vision is studied. The typhlocomment as a method for blind adaptation of video content is described. When researching the problem of access of weak-sight people to the video content, it i... see more
V. I. Dubrovin,J. V. Tverdohleb,V. V. Kharchenko
An existing ECG analysis and interpretation software is reviewed in the paper. A wavelet-based ECG delineation algorithm which performs QRS detection and provides as well the locations of the peak(s) of P, Q, R, S, and T waves, and the P, QRS, and T wave ... see more
O. A. Kozhukhivska,A. O. Fefelov,P. I. Bidyuk,A. D. Kozhukhivskyi
A concept of a decision support system (DSS) for modeling and forecasting of economic and financial processes is proposed as well as its software implementation. The main functions of the DSS are in modeling and short-term forecasting of nonstationary non... see more
A. N. Miroshkin
A synthesis method of compositional microprogram control unit on hybrid FPGA (that contain table elements, and programmable logic arrays) is proposed. The main purpose of the method is hardware amount reduction in the control unit circuit. Usage of classe... see more
O. Yu. Cherednikova,V. V. Lapko
The synthesis of speed-optimal control for object with alternating-sign characteristic – excavation site of coal mines – was considered. The task comes to establishment of the desired mode of object operation with minimal time due to significant inertia p... see more
I. A. Orlovskyi,E. I. Gorobec
The paper deals with the relevance of improved synthesis methods for control systems of nonlinear objects using neural networks, as those allowing to substantially remove the mathematical problems of analytical synthesis and the designed system analysis. ... see more