RADIO ENGINEERING AND COMMUNICATION 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
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
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
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
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