Vestnik of Ryazan State
Radio Engineering University

 Contents and abstracts

RADIO ENGINEERING AND COMMUNICATION SYSTEMS

DEVELOPING A MATHEMATICAL MODEL TO MAKE A DECISION ON SETTING UP SPOOFING CLUTTERS TO SATELLITE RADIO NAVIGATION SYSTEMS

Autors: I. A. Ermolaev, I. M. Somov, I. S. Kholopov.

Key words: satellite radio navigation systems, spoofing clutters, inertial navigation systems, microelectromechanical sensors, Euler angles, quaternions, Kalman filter.

DOI: 10.21667/1995-4565-2021-78-3-11

USING REED-SOLOMON CODES IN UNDERWATER WIRELESS OPTICAL COMMUNICATION CHANNEL WITH INTENSITY CODE-PULSE MODULATION

Autors: L. V. Aronov.

Key words: underwater optical wireless communication channel, optical wireless communication, free space optical channel, mathematical model, underwater communications systems.

DOI: 10.21667/1995-4565-2021-78-12-20

SIMULATION OF CONCATENATED MULTITHRESHOLS DECODING ALGORITHMS OF VARIOUS TYPES FOR GAUSSIAN COMMUNICATION
CHANNELS

Autors: V. V. Zolotarev, G. V. Ovechkin, Ch. T. Zhung.

Key words: error-correction coding, Gaussian channel, multithreshold decoder, error propagation, symbolic code, concatenated scheme, convolutional codes, block codes, decoder complexity, throughput, Optimization Theory, self-orthogonal code, Reed-Solomon code.

DOI: 10.21667/1995-4565-2021-78-21-28

COMPARATIVE ANALYSIS OF ALGORITHMS FOR MULTISPECTRAL IMAGE FUSION

Autors: V. T. Dmitriev, P. N. Skonnikov.

Key words: multispectral image fusion, local weighted summation, infrared range, objective quality index, Piella metric, image dataset, enhanced vision, rescue operations.

DOI: 10.21667/1995-4565-2021-78-29-37

ADAPTIVE CONSTRUCTION ALGORITHM RADAR IMAGE TARGETS

Autors: A. V. Safonova, V. I. Martynov.

Key words: radar image, maximum correlation algorithm, adaptive algorithm for constructing a radar image of a target, background interference, interference from water surface.

DOI: 10.21667/1995-4565-2021-78-38-45

MATHEMATIC AND SOFTWARECOMPUTER SYSTEMS AND COMPUTER NETWORKS

MODELING OF WIRELESS SENSOR NETWORK USING OMNET++

Autors: K. I. Nikishin.

Key words: wireless technologies, wireless sensor networks, self-organizing networks, IEEE 802.15.4 WPAN protocol, coordinator, modeling, OMNET++, Castalia.

DOI: 10.21667/1995-4565-2021-78-46-54

THE METHOD TO COMPRESS INTERMEDIATE DATA IN DISTRIBUTED MINING OF ASSOCIATION RULES

Autors: E. O. Khramshina.

Key words: data mining, association rules mining, 3D2ARM algorithm, data structures, data transfer, data compression, zero-length suppression method, variable size of array values.

DOI: 10.21667/1995-4565-2021-78-55-62

INTELLIGENT INFORMATION SYSTEMS AND TECHNOLOGIES

RESEARCH AND ANALYSIS OF TRANSPORT PROBLEMS IN URBAN ENVIRONMENTS

Autors: A. S. Alyoshkin.

Key words: road traffic forecasting, radial basis function network, RBFNN, particle swarm optimization, PSO, intelligent transportation systems, ITS, line planning.

DOI: 10.21667/1995-4565-2021-78-63-74

RAPID CALCULATION OF CONSE-QUENTS FUZZINESS INDICES AFTER MAMDANI IMPLICATION AND FURTHER AGGREGATION

Autors: K. V. Bukhensky, A. N. Konyukhov, K. V. Anisimov.

Key words: fuzzy set, LR-type fuzzy number, membership function, shape function, index of fuzziness, integral functions of fuzziness index, antecedent, consequent, Mamdani implication, linguistic variable term, cross-factor.

DOI: 10.21667/1995-4565-2021-78-75-88

SEARCH FOR ACCEPTABLE VALUES OF APPLICATION PARAMETERS FOR LENDING USING NEURAL NETWORK

Autors: N. I. Tsukanova, K. G. Shitova.

Key words: client creditworthiness assessment, loan application, deep fully connected neural networks, Python language, Keras library, error back propagation algorithm, conjugate vector, target (loss) function.

DOI: 10.21667/1995-4565-2021-78-89-101

METHOD OF PRELIMINARY SELECTION OF MULTILAYER NEURAL NETWORK ARCHITECTURE FOR POLYHARMONIC SIGNAL APPROXIMATION

Autors: V. V. Frolov, G. N. Zholtkevych, O. Yu. Prikhodko, Yu. V. Skuryatin.

Key words: artificial neural network, activation function, approximation, genetic algorithm, feedforward neural network without feedbacks, discrete optimization, median, mean square, absolute error.

DOI: 10.21667/1995-4565-2021-78-102-111

MATHEMATICAL AND COMPUTER MODELING

ABOUT A POSSIBLE MATHEMATICAL METHOD STUDYING THE DYNAMICS OF DANGEROUS PROCESSES GEODYNAMIC ORIGIN

Autors: A. O. Faddeev, S. A. Pavlova.

Key words: Geodynamic stability; seismic activity, SWANN diagrams, solar wind, interplanetary magnetic field.

DOI: 10.21667/1995-4565-2021-78-112-119

RESEARCH OF STABILITY OF PARCHUTIST'S MOTION IN SPECIAL CASES

Autors: I. Y. Klochkova.

Key words: mathematical model of parachutist movement, equilibrium state, regression analysis, correlation coefficient, parachutist trajectory, parachutist landing speed.

DOI: 10.21667/1995-4565-2021-78-120-129

SYSTEM ANALYSIS, MANAGEMENT AND INFORMATION PROCESSING

FREQUENCY METHOD OF FILTERING PERIODIC INTERFERENCE OF DIGITAL IMAGES

Autors: A. I. Novikov, A. V. Pronkin, N. O. Shamin.

Ключевые слова: periodic interference, filtering, discrete Fourier transform, amplitude spectrum, local extremum, estimation of mathematical expectation.

DOI: 10.21667/1995-4565-2021-78-130-141

STATIC HAND GESTURES DETECTION USING COMPLEX CONTOUR ANALYSIS

Autors: A. I. Novikov, E. Yu. Kholopov.

Key words: contours highlighting, gradient detection methods, piecewise linear approximation, contour autocorrelation function, contours proximity criterion.

DOI: 10.21667/1995-4565-2021-78-142-152

PHYSICAL ELECTRONICS AND NANOELECTRONICS

CREATION AND RESEARCH OF PULSE PLASMATRON WITH INDUCTION DISCHARGE FOR PRODUCING AUTONOMOUS PLASMA FORMATIONS

Autors: A. N. Vlasov, M. V. Dubkov, Yu. V. Cherkasova, A. V. Nikolaev.

Key words: pulsed plasmatron, metal electric explosion, pulsed magnetic field, induction discharge, long-lived autonomous plasma formations.

DOI: 10.21667/1995-4565-2021-78-153-161

POSSIBILITY OF USING INTERNET OF THINGS TECHNOLOGY IN A MICROGRID BASED ON RENEWABLE ENERGY SOURCES

Autors: S. M. Karabanov, D. V. Suvorov, E. V. Slivkin, О. V. Loban, P. P. Bezrukikh, С. С. Belykh.

Ключевые слова: Internet of Things, microgrid, solar energy, wind energy.

DOI: 10.21667/1995-4565-2021-78-162-170

THE EFFECT OF GAS ADDITIVES ON EMISSION PARAMETERS OF LOW-PRESSURE NITROGEN LASER

Autors: B. A. Kozlov, I. V.Login, R. A. Shishov.

Key words: low pressure nitrogen laser; average radiation power; radiation energy in a pulse; radiation pulse duration; longitudinal discharge; metastable states; pulse repetition rate.

DOI: 10.21667/1995-4565-2021-78-171-180

MECHANICAL STRENGTH OF UNCONTROLLED HIGHPRESSURE SPARK GAP – SHARPENER DESIGN

Autors: D. S. Makhanko, A. Ya. Payurov.

Key words: spark gap-sharpener, mechanical strength, ceramic insulator, operating pressures, argon arc welding, metal-ceramic soldered joint.

DOI: 10.21667/1995-4565-2021-78-181-187

ELECTRICAL STRENGTH OF UNCONTROLLED SPARK GAP-SHARPENER DESIGN FOR VOLTAGE UP TO 500 KV

Autors: D. S. Makhanko.

Key words: spark gap-sharpener, electrical strength, ceramic insulator, breakdown on insulator surface, spark gap-sharpener design, duration of high-voltage pulse leading edge, high-voltage pulse generator.

DOI: 10.21667/1995-4565-2021-78-188-197

TURBULENCE INFLUENCE TO OPTICAL SIGNAL PROPAGATION WITH WAVELENGTH 1550 NM

Autors: B. I. Ognev, S. A. Skladchikov, E. G. Chulaeva.

Key words: turbulence, optical signals, laser radiation, beam path, optical beam splitting.

DOI: 10.21667/1995-4565-2021-78-198-203