Vestnik of Ryazan State
Radio Engineering University

 Contents and abstracts

RADIO ENGINEERING, RADAR AND COMMUNICATION SYSTEMS

MULTICRITERIA SYNTHESIS OF PREAMBLE STRUCTURE FOR OFDM SYSTEMS ADAPTIVE TO FREQUENCY-SELECTIVE FADING

Autors: S. N. Kirillov, I. V. Lukashin.

Key words: OFDM, preamble, multicriterion optimization, adaptation, frequencyselective fading, synchronization algorithm, cognitive radio, non-coherent processing.

DOI: 10.21667/1995-4565-2019-69-3-16

NOISE STABILITY OF SPEECH CODECS SIGNALS ON THE BASIS OF REPRESENTATION OF KHURGIN-YAKOVLEV

Autors: S. N. Kirillov, V. T. Dmitriev.

Key words: Khurgin-Yakovlev representation, acoustic noise, primary coding, speech signals, voice information transmission, speech signal codecs.

DOI: 10.21667/1995-4565-2019-69-17-25

SPACE APPARATUS IMAGE RECOGNITION METHOD BASED ON BRIGHTNESS MODULATION SPECTRUM ANALYSIS BY PRONY’S METHOD

Autors: D. V. Avramenko, V. G. Andreev.

Key words: two-sided Prony’s method, overdetermined system of Yul – Walker equations, weight vector, spectral parametric estimation, digital signal processing, quasiinverse matrix, minimization of mean square error.

DOI: 10.21667/1995-4565-2019-69-26-32 

ANALYSIS OF MEASUREMENT ERRORS OF OBJECT COORDINATES IN THE SYSTEM OF COMBINED RECEIVERS

Autors: V. K. Klochko, S. M. Gudkov, С. Н. Nguyen.

Key words: optical, radiometric and radio engineering receivers, measurement errors, estimation of coordinates, radio thermal images of objects.

DOI: 10.21667/1995-4565-2019-69-33-41

THE RESULTS OF SATELLITE RADIO COMMUNICATION COMPLEX GROUND TESTING FOR UNMANNED AERIAL VEHICLES

Autors: D. G. Pantenkov.

Key words: complexes with unmanned aerial vehicles, satellite radio communication, spacecraft, experimental sample of satellite radio communication facilities, onboard satellite terminal, ground satellite terminal, ground tests, signal-code constructions, modulation, coding, information transmission rate, error probability, signal/noise.

DOI: 10.21667/1995-4565-2019-69-42-51

EVALUATION OF THE DETERMINATION ERROR OF ANGULAR COORDINATES OF AN OBJECT WITH TWO REFERENCE POINTS

Autors: I. S. Kholopov, A. I. Kalinkin.

Key words: optical navigation, P2P problem, projective camera, inertial measuring unit.

DOI: 10.21667/1995-4565-2019-69-52-59

 

MATHEMATICAL SOFTWARE SUPPORT OF COMPUTER SYSTEMS AND NETWORKS

DEVELOPMENT OF SOFTWARE TOOLKIT OF STRUCTURES SEGMENTATION OF SOFTWARE DEFINED NETWORKS

Autors: D. A. Perepelkin, I. Yu. Tsyganov.

Key words: software defined networks, distributed computing, network architecture, software toolkit, client server application, SDN Cluster Constructor, контроллер, POX, FloodLight, Aruba.

DOI: 10.21667/1995-4565-2019-69-60-73

STRUCTURES SCALING ALGORITHM IN MULTIPROVIDER NETWORKS OF DISTRIBUTED DATA CENTERS

Autors: M. A. Ivanchikova.

Key words: data centers, distributed networks, multiprovider networks, reconfiguration, scaling, software system, service providers.

DOI: 10.21667/1995-4565-2019-69-74-85 

STOCHASTIC NETWORKS USE WHEN PLANNING ASSEMBLED OPERATIONS WITH FUNCTIONS FROM RANDOM VALUES

Autors: A. P. Shibanov, A. D. Nguyen.

Key words: assembly operations, GERT networks, random variable, inversion formula, probability distribution function, probability density, inverse function, normal distribution.

DOI: 10.21667/1995-4565-2019-69-86-92

THE ALGORITHM FOR CORRECTING RELATIONAL DATABASE SCHEME

Autors: A. I. Baranchikov, N. Z. Nguyen.

Key words: algorithm, comparative analysis, relation scheme, relational database, partial functional dependence, non-key attribute, single key, composite key.

DOI: 10.21667/1995-4565-2019-69-93-101

EXPERIMENTAL STUDY OF SUITABILITY OF PAPER ABSTRACTS TO RUSSIAN-ENGLISH HYBRID MACHINE TRANSLATION BEFORE AND AFTER AUTOMATIC PRE-EDITING

Autors: V. M. Glushan, V. S. Kornilov, A. Yu. Lozovoy.

Key words: Machine Translation, Translation Quality, Text Pre-editing, Text Translation, Linguistic Services, Abstracts, Text Complexity, Natural Language Processing, Text Information Processing.

DOI: 10.21667/1995-4565-2019-69-102-109

 

INTELLECTUAL INFORMATION SYSTEMS AND TECHNOLOGIES

MODELING AND OPTIMIZATION PROCESSES OF LEARNING ACADEMIC DISCIPLINES

Autors: S. V. Skvortsov, A. A. Mitroshin, A. A. Kuznetsov, Т. S. Skvortsovа.

Key words: educational process, modeling of learning processes, knowledge representation, forgetting function, modified genetic operators.

DOI: 10.21667/1995-4565-2019-69-110-122

APPROACH TO THE DETERMINATION OF SEARCH RANGE OPTIMAL VALUES OF PARAMETERS CLASSIFIER BASED ON THE FOREST OF DECISION TREES

Autors: L. A. Demidova, M. S. Ivkina.

Key words: classification, RF classifier, decision tree, random forest, optimal parameter value, search range, classification quality indicator.

DOI: 10.21667/1995-4565-2019-69-123-134

APPLICATION OF RECURRENT NEURAL NETWORKS IN THE CLASSIFICATION PROBLEM OF FAILURES IN COMPLEX TECHNICAL SYSTEMS WITHIN THE FRAMEWORK OF PROACTIVE MAINTENANCE

Autors: L. A. Demidova, D. V. Marchev.

Key words: neural networks, RNN, LSTM, GRU, machine learning, classification, proactive maintenance.

DOI: 10.21667/1995-4565-2019-69-135-148

METHOD TO IDENTIFY STRUCTURAL TRANSFORMATIONS OF TIME SERIES USING FUZZY CLUSTERING PRINCIPLES

Autors: M. A. Stepanov.

Key words: time series, fuzzy clustering, optimal number of clusters, identification of the structural transformations of time series.

DOI: 10.21667/1995-4565-2019-69-149-159

ANALYSIS OF SUBSIDIARY SYSTEMS

Autors: A. V. Kozlov.

Key words: system analysis, hierarchical systems, subsidiary systems, theoretic multiple models, topological models, time models.

DOI: 10.21667/1995-4565-2019-69-160-167

IMPROVEMENT OF MUNICIPAL UNIT MANAGEMENT STRUCTURE ON THE BASIS OF USING GEOGRAPHIC INFORMATION DECISION-MAKING SUPPORT SYSTEMS

Autors: K. V. Kuptsov.

Key words: barcode, municipal objects, management efficiency, persistent homology, decision-making support, topology, municipal unit management, management of territories.

DOI: 10.21667/1995-4565-2019-69-168-174

 

SYSTEM ANALYSIS, MANAGEMENT AND INFORMATION PROCESSING

PROCESSING, ANALYSIS AND PRESENTATION FEATURES OF TRAJECTORY MEASUREMENTS DURING ROCKET LAUNCHES

Autors: S. Y. Balashov, S. V. Spitsyn.

Key words: information and measurement support of launches, systems of measurement information gathering, onboard navigation consumer equipment, TMI.

DOI: 10.21667/1995-4565-2019-69-175-184

STRUCTURAL AND PARAMETRIC SYNTHESIS OF CARTO-GRAPHIC SMALL SPACECRAFT COMPONENTS

Autors: A. E. Kuznetsov, V. I. Poshekhonov.

Key words: small spacecraft, star tracker, Earth remote sensing, stereo image acquisition, digital terrain model, orthorectified image.

DOI: 10.21667/1995-4565-2019-69-185-192

  

PHYSICAL ELECTRONICS AND NANOELECTRONICS

STABILITY OF SYMMETRIC BILATERAL DC DISCHARGE IN A RING HELIUM-NEON LASER

Autors: M. V. Chirkin, S. V. Ustinov, V. Yu. Mishin.

Key words: ring laser, delayed process, ionization instability, positive column, bilateral DC discharge.

DOI: 10.21667/1995-4565-2019-69-193-201

ANALYTICAL CALCULATION OF X-RAY SPECTRUM RADIATION BY MICROFOCUS X-RAY TUBE WITH «HEAT PIPE» ANODE

Autors: E. A. Kozlov.

Key words: microfocus X-ray tube, bremsstrahlung X-ray spectrum, Kramers ratio, analytical calculation, X-ray absorption.

DOI: 10.21667/1995-4565-2019-69-202-210

EXPERIMENTAL STUDY OF SILICON MELT MOTION RATE IN THE CONDITIONS OF MAGNETOHYDRODYNAMIC MIXING

Autors: E. V. Slivkin.

Key words: silicon, melt, magnetohydrodynamic mixing, mathematical modeling, melt speed, current strength, current frequency.

DOI: 10.21667/1995-4565-2019-69-211-220

COMPARATIVE ANALYSIS OF METHODS FOR CALCULATING MUTUAL CORRELATION IN PROCESSING OF PHOTOLUMINISCENCE IMAGES OF MULTICRYSTALLINE SILICON WAFERS

Autors: A. E. Serebryakov, O. A. Belyakov.

Key words: digital image processing, correlation coefficient, reference area, rotation angle, photoluminescence image, multicrystalline silicon wafers.

DOI: 10.21667/1995-4565-2019-69-221-226

ANALYSIS OF DEFECTS DISTRIBUTION IN MULTICRYSTALLINE SILICON INGOT BY THE METHOD OF THREE-DIMENSIONAL VISUALIZATION OF INTER-NAL STRUCTURE

Autors: O. A. Belyakov, A. E. Serebryakov.

Key words: digital image processing, multi-crystalline silicon, high-performance mc-Si (HPM), three-dimensional model, defects, diffusion contamination, dislocations, photoluminescence image.

DOI: 10.21667/1995-4565-2019-69-227-234