Vestnik of Ryazan State
Radio Engineering University

 Contents and abstracts

 

 

RADIO ENGINEERING AND COMMUNICATION SYSTEMS

OPTIMIZATION OF LINEAR SIGNAL PROCESSING AGAINST BACKGROUND OF POLARIZED INTERFERENCE

Autors: YU. N. PARSHIN, N.А. SHASHIN.

Key words: polarization selection, polarization characteristics, ellipticity coefficient, po larization coefficient, signal-to-noise ratio, polarization ellipse spatial orientation angle.

DOI: 10.21667/1995-4565-2025-94-3-12

DEVELOPMENT AND RESEARCH OF AРAA RECEIVING PART MATHEMATICAL MODEL

Autors: V. I. PROTASOV.

Key words: AРAA, РAА, radar, noise factor, noise, amplitude distribution, mathemati cal model, dynamic range, signal-to-noise ratio, sensitivity.

DOI: 10.21667/1995-4565-2025-94-13-20

IMPLEMENTATION OF ADAPTIVE MODELS AND ALGORITHMS TO ENSURE SAFETY AND OPTIMIZE INTERACTION IN INDUSTRIAL INTERNET-OF-THINGS NETWORKS

Autors: M. S. POBORUEVA, O. A. BODROV.

Key words: industrial Internet of Things (IIoT), adaptive mathematical models, cyber physical security, graph neural networks (GNN), machine learning (LSTM), routing, energy efficiency, microcontroller cybersecurity, cryptography, RFID, blockchain, Hyperledger Fabric, comprehensive assessment, protocol classification, NS-3, STM32, QEMU.

DOI: 10.21667/1995-4565-2025-94-21-35

IMPLEMENTATION OF DESIGN MODEL FOR LTE-1800 TDD RADIO NETWORKS IN INTERSECTION ZONES

Autors: D. P. LOBEEV.

Key words:  LTE‑1800 TDD, 1785-1805 MHz, technological radio communications, railway transport, design model, EMC, intersection zones, COST‑231 Hata, Handover, bandwidth.

DOI: 10.21667/1995-4565-2025-94-36-45 

ANALYSIS OF TWO CHANNEL IMAGE PROCESSING METHODS BASED ON THE KHURGIN-YAKOVLEV REPRESENTATION AND THE SOBOLEV WEIGHTED SPACE

Autors: V. T. DMITRIEV, E. S. CHERENTAEVA, M. A. CHERENTAEV.

Key words: two-channel image processing, Khurgin-Yakovlev representation, Sobolev weight space, synthesizing filters, image reconstruction, gradient methods, processing using derivatives, noise immunity, image compression.

DOI: 10.21667/1995-4565-2025-94-46-58

MATHEMATIC AND SOFTWARE COMPUTER SYSTEMS AND COMPUTER NETWORKS

ON THE TASK OF BUILDING DECENTRALIZED INTELLIGENT TRANSPORT SYSTEM BASED ON RAFT PROTOCOL AND CLUSTERING BY NETWORK DISTANCE

Autors: M. G. GORODNICHEV, E. A. SAKSONOV, V. P. KULAGIN, A. F. KAPERKO.

Key words: intelligent transport system, Raft, RTT, clustering, fault tolerance, micro services, RethinkDB, ZeroMQ.

DOI: 10.21667/1995-4565-2025-94-59-67

MULTITHREADED IMPLEMENTATION OF GENETIC ALGORITHM FOR MULTI-OBJECTIVE QOS ROUTING IN SOFTWARE-DEFINED NETWORKS

Autors: D. A. PEREPELKIN, A. N. SAPRYKIN, A. A. TIKHONOV.

Key words: software-defined networks, genetic algorithm, QoS routing, multithreading, multi-objective optimization.

DOI: 10.21667/1995-4565-2025-94-68-84 

FORMATION OF LLM-ORIENTED KNOWLEDGE RESOURCES BASED ON GENERATION OF AUGMENTED INFORMATION

Autors: I. YU. KASHIRIN.

Key words: augmented information generation, hierarchical number embeddings, neural network transformers, natural language analysis, ontological taxonomies, and semantic space.

DOI: 10.21667/1995-4565-2025-94-85-97

MATHEMATICAL AND COMPUTER MODELING

 

MATHEMATICAL MODEL OF COMPLEX TECHNICAL SYSTEMS FUNCTIONAL STRUCTURES TRANSFORMATION

Autors: V. A. BOCHAROV.

Key words: system engineering, functionality, mathematical model, technical system, development, automation, transformation.

DOI: 10.21667/1995-4565-2025-94-98-105

MATHEMATICAL MODELING AND NUMERICAL STUDY OF DIRECT ABSORPTION SOLAR COLLECTORS WITH NANOFLUIDIC COOLANT

Autors: V. A. MINAEV, I. S. MANZHULA, А. V. KORYACHKO, E. M. VIKHTENKO.

Key words: solar collector, nanofluid, absorption, heat and mass transfer, mathematical modeling, finite difference method, approximation, computational experiment.

DOI: 10.21667/1995-4565-2025-94-106-113

SYSTEM ANALYSIS, MANAGEMENT AND INFORMATION PROCESSING

 

FILTERING NOISY IMAGES BASED ON NEURAL NETWORK PROCESSING OF SPATIALLY ORIENTED WAVELET TRANSFORM TREES

Autors: Y. S. BEKHTIN, V. T. TRINH.

Key words: SAR image, wavelet transform, speckle noise, spatially-oriented trees, recur rent neural networks, long short-term memory.

DOI: 10.21667/1995-4565-2025-94-114-123 

MULTI-CRITERIA DATA ANALYSIS MODEL FOR DECISION SUPPORT SYSTEM

Autors: Y. B. SHCHENEVA, A. N. PYLKIN, E. S. SHCHENEV.

Key words: multi-criteria data analysis, decision support system, multi-criteria optimiza tion, multidimensional metric spaces, trajectories in metric spaces, information process management, generalized indicator, applied areas of modeling, decision automation, comparative analysis of models, information system.

DOI: 10.21667/1995-4565-2025-94-124-138 

INFORMATION-MEASUREMENT AND BIOMEDICAL SYSTEMS

  

CORRECTION OF WAVEFRONT DISTORTIONS IN ULTRASOUND IMAGING

Autors: D. V. LEONOV, O. V. VLASOVA, T. V. YAKOVLEVA, O. V. OMELYANSKAYA, Y. A. VA SILEV.

Key words:  phase aberrations, beam focusing, phase correction, phantom, ultrasound imaging, aperture synthesis.

DOI: 10.21667/1995-4565-2025-94-139-150

APPLICATION OF SEMANTIC NETWORKS FOR MEDICINE SELECTION IN THE CON TEXT OF PATIENTS DRUG TREATMENT MANAGEMENT

Autors: O. D. SAMORUKOVA, A. V. KROSHILIN, S. V. KROSHILINA, S. YU. ZHULEVA.

Key words: medical decision support system, drug treatment, rationalization of drug use, semantic networks.

DOI: 10.21667/1995-4565-2025-94-151-157

PHYSICAL ELECTRONICS AND NANOELECTRONICS

INFLUENCE OF INPUT APERTURE SHAPE FOR TRIPOLE MASS ANALYZER ANALYTICAL CHARACTERISTICS

Autors: M. V. DUBKOV, M. A. BUROBIN, V. V. IVANOV, K. A. VETSHEV, A. D. VETSHEVA.

Key words: tripole mass analyzer, inlet aperture, mass peak, resolution, mass peak intensity.

DOI: 10.21667/1995-4565-2025-94-158-165

EFFICIENCY OF METHODS TO CONTROL PROPERTIES OF SEMICONDUCTORS WITH VARIOUS DEGREE OF ATOMIC STRUCTURE ORDERING

Autors: A. D. BARINOV, V. G. LITVINOV, I. N. MIROSHNIKOVA, A. I. POPOV.

Key words: translational symmetry, property control, chemical modification, structural modification, phase modification, structural-chemical modification, ranges of property changes, complex effect.

DOI: 10.21667/1995-4565-2025-94-166-176 

STUDY OF ELECTROMAGNETIC FOCUSING SYSTEM OF MICROFOCUS X-RAY TUBE

Autors: M. V. BLUDOV, E. YU. GRACHEV, A. A. TRUBITSYN.

Key words: X-ray tube, electromagnetic focusing, matrix method, magnetic lens, elec tron optics.

DOI: 10.21667/1995-4565-2025-94-177-188

TEMPERATURE AND CONCENTRATION DISTRIBUTIONS OF NITROGEN MOLECULES OVER DISCHARGE CHANNEL CROSS-SECTION OF LOW PRESSURE N2-LASER

Autors: B. A. KOZLOV, Z. V. SHVETS.

Key words: low-pressure nitrogen laser, discharge channel, heat transfer, distribution of temperature and molecule concentration across the discharge channel, average pumping power.

DOI: 10.21667/1995-4565-2025-94-189-195

EFFICIENT METHOD OF PUMPING WIDE-APERTURE TEA-CO2 LASERS

Autors: B. A. KOZLOV, D. S. MAKHANKO.

Key words: TEA-CO2 laser, volume discharge, electric discharge module, pumping en ergy density, preionization, pulse generator.

DOI: 10.21667/1995-4565-2025-94-196-203

ITO FILM-BASED CURRENT SPREADING LAYER FOR BLUE LEDS

Autors: YU. S. ZHIDIK, D. I. ZASUKHIN, О. N. MININ, P. E. TROYAN.

Key words: LED, ITO, current spreading layer, ohmic contact, heterostructure.

DOI: 10.21667/1995-4565-2025-94-204-212

DETERMINATION OF HEXAGONAL MOSFETS PARAMETERS

Autors: D. М. BAKERENKOVA, А. S. PETROV.

Key words: hexagonal structure, power MOSFETs.

DOI: 10.21667/1995-4565-2025-94-213-218

MECHANICAL WEAR OF REED SWITCHES CONTACTS

Autors:  S. A. KRUGLOV, O. N. KRYUTCHENKO, A. F. MANNANOV, V. A. SHEVELEV.

Key words: reed switches without protective coatings, mechanical wear of contact sur face, dielectric polymer coatings, gas discharge.

DOI: 10.21667/1995-4565-2025-94-219-227

EXHALED AIR ANALYZER: NOISE AND INTERFERENCE REDUCTION

Autors: E. Y. KHADZHIYSKAYA, E. V. STEPANOV.

Key words: tunable diode laser, pulse-periodic mode, δ13CO2, exhaled breath, noise, Fourier filtering, gas analysis.

DOI: 10.21667/1995-4565-2025-94-228-237

ESTIMATION OF PLASMA TEMPERATURE IN PULSED PLASMATRON USING PHOTOSIGNAL FROM CALIBRATED PHOTODETECTOR

Autors: A. N. VLASOV, A. V. NIKOLAEV, D. V. LEVIK, E. I. CHERNOV.

Key words: pulsed plasma torch, electrical explosion of large cross-section copper con ductors, photodetector.

DOI: 10.21667/1995-4565-2025-94-238-243