Vestnik of Ryazan State
Radio Engineering University

 Contents and abstracts 

 

RADIO ENGINEERING AND COMMUNICATION SYSTEMS

MODELING OF FILTERS ON COUPLED LINES

Autors: E. P. VASILIEV, T. D. LUU

Key words: filter, coupled lines, modeling method, microwave range, dispersion, losses, conductor multilayerness and roughness.

DOI: 10.21667/1995-4565-2025-92-3-12

MODELING OF ELECTROMAGNETIC KEY ELEMENTS IN MICROWAVE RANGE

Autors: E. P. VASILIEV, NGUYEN DANG HOP

Key words: reed switch module, mathematical model, optimization technique, objective function, switch, S and X-band.

DOI: 10.21667/1995-4565-2025-92-13-24

COMPARATIVE ANALYSIS OF NETWORK TRAFFIC DECORRELATION METHODS

Autors: V. A. OSANOV.

Key words: network traffic, correlation traffic, quality of service, decorrelation, Karhunen – Loève decomposition, discrete cosine transform, Haar wavelet transform, S-random permutation, spiral permutation.

DOI: 10.21667/1995-4565-2025-92-25-38 

ALGORITHM TO CALCULATE PRIMARY CODECS PARAMETERS OF SOFTWARE-DEFINED SYSTEMS

Autors: V. T. DMITRIEV, D. M. MENSHIKOV, M. S. BUNIN.

Key words: data transmission security, voice signal, packet transmission, encryption, au thentication, correlation analysis, cryptographic stability, noise-resistant coding, adap tive improved.

DOI: 10.21667/1995-4565-2025-92-39-48

  

MATHEMATIC AND SOFTWARE COMPUTER SYSTEMS AND COMPUTER NETWORKS

BUILDING EFFICIENT ARCHITECTURE FOR HIGHLY LOADED AND SCALABLE SERVICES ON FASTAPI: PRINCIPLES AND BEST PRACTICES

Autors: K. A. SERMYAGIN, A. N. PYLKIN.

Key words: FastAPI, web framework, API, micro-services, design, architecture.

DOI: 10.21667/1995-4565-2025-92-49-56

APPLICATION OF MULTILEVEL QUANTUM SYSTEMS FOR PARALLEL EVALUATION OF SOLUTIONS IN MULTIOBJECTIVE OPTI MIZATION PROBLEMS

Autors: L. A. DEMIDOVA, V. V. MASLENNIKOV.

Key words: optimization, multiobjective optimization, quantum-inspired algorithm, qudit, density matrix, Heisen-berg-Weyl operators, quantum superposition, quantum in terference, Pareto front, evaluation of solutions.

DOI: 10.21667/1995-4565-2025-92-57-76 

 

COMPUTING SYSTEMS AND DEVICES

APPLICATION OF OPTIMIZATION METHODOLOGY FOR PHYSICAL IMPLEMENTATION OF SPECIALIZED PIPELINED COMPUTING DEVICE

Autors: D. V. LYULYAVA.

Key words: FPGA, specialized computing device, pipeline, architecture, physical im plementation, topology, placement, routing, optimization.

DOI: 10.21667/1995-4565-2025-92-77-91

DESIGN OF PROGRAMMABLE LOGIC COMPUTING CLUSTERS

Autors: N. A. DUKSIN.

Key words: massively parallel computing systems, cluster computers, FPGA, RTL, pat tern matching, partial recon-figuration, programmable computer unit.

DOI: 10.21667/1995-4565-2025-92-92-99

CONFIGURATION ISSUES OF FPGA-BASED COMPUTING CLUSTERS

Autors: D. O. SHCHEPUKHIN

Key words: combinatorial optimization, cluster computing, FPGA, pattern matching, programmable numerators.

DOI: 10.21667/1995-4565-2025-92-100-105

 

INTELLIGENT INFORMATION SYSTEMS AND TECHNOLOGIES

AN APPROACH TO REGULAR EXPRESSION ANALYSIS USING GRAPH NEURAL NETWORKS AND CONTRASTIVE LEARNING

Autors: L. A. DEMIDOVA, V. E. ZHURAVLEV.

Key words: regular expressions, machine learning, feature extraction, representation learning, graph neural networks, attention mechanism, contrastive learning, clustering, k-means.

DOI: 10.21667/1995-4565-2025-92-106-120

RESEARCH ON INTELLECTUAL PROBLEM SOLVERS USING ALGORITHMIC ALGEBRAIC SYSTEMS

Autors: I. YU. KASHIRIN.

Key words: Algebraic systems, heuristic programming, variant trees, decision plans, in telligent solvers, regular displacement patterns, computer-aided design.

DOI: 10.21667/1995-4565-2025-92-121-131

APPLICATION OF MACHINE LEARNING METHODS TO CLASSIFY MATERIALS BASED ON THEIR KEY CHARACTERISTICS

Autors: V. P. KORYACHKO, S. D. VIKULIN.

Key words: machine learning, classification, neural network models, class imbalance, SMOTE, material properties, intelligent systems.

DOI: 10.21667/1995-4565-2025-92-132-145

ANALYSIS OF DECISION-MAKING METHODS IN DISTRIBUTED IOT SYSTEMS BASED ON MULTI-AGENT APPROACHES

Autors: M. M. BLAGIREV, A. O. KOSTYRENKOV.

Key words: IoT, multi-agent systems, decision-making, neural network algorithms, en semble methods, LLM, MARL, forecasting, distributed systems.

DOI: 10.21667/1995-4565-2025-92-146-159

COMPLEX RECURRENT NEURAL NETWORK

Autors: V. P. KUZNETSOV.

Key words: difference equation, neural network, weight coefficient, activation function, error signal, learning algorithm, target function, gradient, partial derivative.

DOI: 10.21667/1995-4565-2025-92-160-169

KINEMATIC MODEL FOR GENERATING REFERENCE DYNAMIC PARAMETERS OF A USER’S SIGNATURE

Autors: A. H. TANCEROV, E. A. DANILOV.

Key words: dynamic signature, identification, user authentication, neural networks, Ko honen map, standardization, biometric authentication, neural network algorithms.

DOI: 10.21667/1995-4565-2025-92-170-178

 

SYSTEM ANALYSIS, MANAGEMENT AND INFORMATION PROCESSING  

METHODS OF MASKING AND RESTORING IMAGES

Autors: K. I. VASILIEV, A. I. NOVIKOV.

Key words: mathematical methods, linear and nonlinear operators, affine and projective transformations, interpretation of indirect measurements, complex contour analysis.

DOI: 10.21667/1995-4565-2025-92-179-188

MANAGEMENT SYSTEM FOR CONSTRUCTING INDIVIDUAL EDUCATIONAL TRAJECTORIES IN «UNIVERSITY-ENTERPRISE» SPACE

Autors: А. А. KUZMENKO, V. A. SHKABERIN, V. M. SKANTSEV, I. A. YEREMIN, E. S. MUZALEV SKY, O. V. LABUZ.

Key words: individualization of learning, learning analytics, individual learning path, learning optimization, competency matrices.

DOI: 10.21667/1995-4565-2025-92-189-201

MULTI-CRITERIA DATA ANALYSIS ALGORITHM FOR DECISION SUPPORT SYSTEMS

Autors: Y. B. SHCHENEVA.

Key words: multi-criteria data analysis, decision support systems, mathematical model, technical equipment, multi-criteria optimization problem, method algorithm, infor mation system.

DOI: 10.21667/1995-4565-2025-92-202-212

REVIEW AND COMPARISON OF SELECTED METHODS FOR SIGNATURE AUTHENTICATION BASED ON DYNAMIC PARAMETERS

Autors: A. H. TANCEROV, E. A. DANILOV, A. I. MARTYSHKIN.

Key words: signature authentication, dynamic signature, features, parametric methods, functional methods, support vector machine, neural networks.

DOI: 10.21667/1995-4565-2025-92-213-224

 

INFORMATION AND MEASURING SYSTEMS

 

HARDWARE AND SOFTWARE IMPLEMENTATION AND EXPERI MENTAL STUDY OF THE RELATED HISTOGRAM METHOD FOR TESTING THE ANA LOG INPUT AND CONVERSION CHANNEL OF THE NI PCIE-6321 DATA ACQUISITION BOARD

Autors: А. M. ABRAMOV.

Key words: histogram, integral nonlinearity, code, data acquisition board, analog-to digital converter, measuring signal, analog adder, module, experiment.

DOI: 10.21667/1995-4565-2025-92-225-238

 

PHYSICAL ELECTRONICS AND NANOELECTRONICS 

STRUCTURE AND ELECTROPHYSICAL PROPERTIES OF POROUS SILICON FILMS WITH A P-N JUNCTION FORMED BY PULSED LASER IRRADIATION

Autors: V. S. KHILOV, V. V. TREGULOV, А. I. IVANOV, N. N. MELNIK, V. G. LITVINOV, N. V. RYBINA, N. B. RYBIN.

Key words: porous silicon, metal-stimulated etching, p-n junction, laser ablation, Raman scattering, photoelectric characteristics, current-voltage characteristics, capacitance voltage characteristics, deep energy levels.

DOI: 10.21667/1995-4565-2025-92-239-249 

LIMIT ESTIMATES OF MINIMUM FOCAL SPOT SIZES IN MICROFOCUS X-RAY TUBES

Autors: E. A. KOZLOV, A. A. TRUBITSYN, E. YU. GRACHEV.

Key words: microfocus X-ray tube, focal spot diameter, electron optical brightness, spherical aberration, cathodes, magnetic lenses.

DOI: 10.21667/1995-4565-2025-92-250-261