Vestnik of Ryazan State
Radio Engineering University

  Contents and abstracts

RADIO ENGINEERING AND RADAR

APPLICATION OF THREE-CHANNEL MODIFICATION OF THE KHURGIN – YAKOVLEV ALGORITHM IN THE ALGORITHMS FOR PRIMARY CODING OF SPEECH SIGNALS

Autors: V. T. DMITRIEV, VU HOANG SON.

Key words:  modification of the Khurgin-Yakovlev algorithm, theorem of V.A. Kotelnikov, primary coding, speech signal codecs, noise immunity, noise in communication channel, speech quality assessment.

DOI: 10.21667/1995-4565-2024-88-3-14

STRUCTURAL RADIOMETRIC DISTORTIONS ANALYSIS ON SATELLITE IMAGES USING WAVELET PACKETS

Autors: K. I. SOKOLOV, N. V. MAKAROVA.

Key words: image, structural radiometric noise, additive-multiplicative model, wavelet transform, Daubechies wavelet.

DOI: 10.21667/1995-4565-2024-88-15-20

ADAPTIVE CODING ALGORITHM BASED ON CELP CODEC AND MODIFICATION OF THE KHURGIN – YAKOVLEV ALGORITHM

Autors: V. T. DMITRIEV, S. YU. LANTRATOV.

Key words: speech signal, noise immunity, adaptive codec, primary encoding, speech signals transmission, speech signals codecs, Khurgin – Yakovlev representation, speech quality, CELP codec.

DOI: 10.21667/1995-4565-2024-88-21-30

COMPARATIVE ANALYSIS OF TWO HORN ANTENNA POSITIONING ALGORITHMS

Autors: Y. V. MERZLYAKOV, D. V. PASHCHENKO, А. V. MOISEEV, A. I. MARTYSHKIN.

Key words: computational experiment, radiation pattern, classical method of threedimensional directional pattern reconstruction, gain, the weighted sum method, antenna orientation, horn antenna, signal.

DOI: 10.21667/1995-4565-2024-88-31-37

INTELLIGENT INFORMATION SYSTEMS AND TECHNOLOGIES

THEORY OF HIERARCHICAL NUMBERS IN THE TASKS TO CALCULATE SEMANTIC SIMILARITY OF NATURAL LANGUAGE CONSTRUCTIONS

Autors: I. YU. KASHIRIN.

Key words: hierarchical number theory, neural Bert models, natural language analysis, ontological taxonomies, semantic similarity.

DOI: 10.21667/1995-4565-2024-88-38-52

OVERVIEW OF METHODS FOR CLASSIFYING SOUNDS OF URBAN ENVIRONMENT

Autors: G. M. MKRTCHYAN, N. A. KRAVCHENKO.

Key words: convolutional neural network, end-to-end 1DCNN, ESResNet, AST, PaSST, knowledge transfer, knowledge distillation, UrbanSound8k, ESC-50, FSD50K, audio signal classification, feature extraction, spectrogram, datasets, evaluation metrics.

DOI: 10.21667/1995-4565-2024-88-53-64

DEVELOPMENT AND APPLICATION OF METHODS FOR RECOGNIZING NOISY AUDIO FILES USING NEURAL NETWORK TECHNIQUES

Autors: YU. L. LEOKHIN, T. D. FATKHULIN, M. V. MENTUS.

Key words: speech recognition systems, speech synthesis systems, neural network training, noise, efficiency, Word Error Rate, dataset generation, noisy data

DOI: 10.21667/1995-4565-2024-88-65-73

MATHEMATICAL AND COMPUTER MODELING

MATHEMATICAL MODEL FOR AUTOMATIC DETERMINATION OF WIDTH AND SICKLE SHAPE OF METAL SHEET

Autors: A. I. NOVIKOV, D. S. DOKOV, A. I. EFIMOV, M. B. NIKIFOROV.

Key words: profilometer, 2-D sheet model, model of sheet rotations, detection of noncontact points, sickle shape, sickle shape estimation, metal sheet edges approximation

DOI: 10.21667/1995-4565-2024-88-74-84

AUTOMATED CONTROL OF TECHNOLOGICAL DISCIPLINE IN MODERN ENGINEERING PRODUCTION

Autors: E. S. YANOV, A. V. ANTSEV.

Key words: measuring information systems, hardware and software complex, technological system, vibration, mechanical engineering production, monitoring, production process control, technological discipline

DOI: 10.21667/1995-4565-2024-88-85-94

INFORMATION-MEASUREMENT AND BIOMEDICAL SYSTEMS

RECOGNIZING NONLINEAR COMPONENT OF MEASUREMENT SIGNAL BY LINKED HISTOGRAMS DURING ADC METROLOGICAL TESTS

Autors: А. M. ABRAMOV.

Key words: measurement signal, offset, nonlinear component, integral nonlinearity, differential nonlinearity, analog-to-digital converter, histogram, least squares method, conversion function

DOI: 10.21667/1995-4565-2024-88-95-105

TASKS TO DEVELOP MEDICAL SYSTEMS WHEN CHOOSING DRUG TREATMENT REGIMEN

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

Key words: medical administration system, medical decision support system, drug treatment, rationalization of medicine use.

DOI: 10.21667/1995-4565-2024-88-106-114

PHYSICAL ELECTRONICS AND NANOELECTRONICS

MODELING OF A SYSTEM FOR ELECTROMAGNETIC FOCUSING OF ELECTRON FLOW IN MICROFOCUS X-RAY TUBE

Autors: M.V. BLUDOV, E. YU. GRACHEV, E. A. KOZLOV, E.G. KOCHERGIN, A.A. SEREZHIN,

A. A. TRUBITSYN.

Key words: X-ray tube, cathode modulator unit, electron lens, trajectory analysis.

DOI: 10.21667/1995-4565-2024-88-115-128

NUMERICAL STUDY OF CURRENT DENSITY IN INDUCTION DISCHARGE OF PULSED PLASMATRON

Autors: A.N. VLASOV, A.V. NIKOLAEV.

Key words: pulsed plasmatron, plasma clot, pulsed magnetic field, induction discharge, current layer.

DOI: 10.21667/1995-4565-2024-88-129-135