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 Contents and abstracts

RADIO ENGINEERING AND RADAR

ANALYSIS OF RADIATION SPECTRUM FROM THE ASTRONOMICAL OBJECT OF ARTIFICIAL ORIGIN BY BILATERAL PRONY’S METHOD

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

Key words: two-sided Pronyʼs method, spectral parametric estimation, digital signal processing, redefined system of Yule – Walker equations, quasi-inverse matrix, minimization of average error square, weight vector.

DOI: 10.21667/1995-4565-2018-64-2-3-8

APPLICATION OF AUTOCOVARIANCE LEAST-SQUARES METHOD IN INVARIANT ANGULAR ORIENTATION SCHEME

Autors: V. A. Belokurov.

Key words: micromechanical sensing elements, angular orientation system, roll, course, pitch, kinematic equations, Rodrigo-Hamilton parameters, invariant blocking scheme, adaptation, noise estimation.

DOI: 10.21667/1995-4565-2018-64-2-9-16

ADAPTIVE INTERPERIOD PROCESSING OF MULTIFREQUENCY SIGNALS

Autors: D. I. Popov.

Key words: adaptive processing, analysis, Doppler phase, correlation coefficients, multifrequency signals, adaptation errors, clutter, processing efficiency.

DOI: 10.21667/1995-4565-2018-64-2-17-22

COMPARATIVE ANALYSIS OF METHODS TO ESTIMATE OBJECT COORDINATES IN PASSIVE RADIOVISION SYSTEM

Autors: V. K. Klochko, S. M. Gudkov, X. K. Nguyen.

Key words: two-position system, passive radiovision, mutual orientation, conjugate vectors, estimation of ranges.

DOI: 10.21667/1995-4565-2018-64-2-23-28

INFLUENCE OF PARASITIC FREQUENCY MODULATIONS CAUSED BY ECHO SIGNALS ON FREQUENCY RANGE FINDER ERROR ESTIMATING DIFFERENCE FREQUENCIES BASED ON PHASE ADDITIVES METHOD

Autors: B. A. Atayants, V. M. Davydochkin, V. V. Ezerskiy.

Key words: frequency range finder, measurement error, phase additives method, influence of parasitic frequency modulation.

DOI: 10.21667/1995-4565-2018-64-2-29-34

 

COMPUTER ENGINEERING, INFORMATION SYSTEMS AND TECHNOLOGIES 

REDUCED BEHAVIORAL MODEL OF LINEAR DYNAMIC BLOCK FOR CIRCUIT SIMULATION PROBLEMS

Autors: M. M. Gourary, M. M. Zharov, S. G. Rusakov, S. L. Ulyanov.

Key words: linear dynamical system, multiport blocks, implicit multistep integration formulae, transfer function, differential equations, delay differential equations, circuit simulation, electromagnetic interactions, net-list.

DOI: 10.21667/1995-4565-2018-64-2-35-45

ALGORITHMS DESIGN FOR THE CONTROLLED SYSTEMS PARAMETERS MODELS VALUES SEARCH TAKING INTO ACCOUNT THE FUEL CONSUMPTION MINIMALITY CONDITION

Autors: О. V. Druzhinina, O. N. Masina, A. A. Petrov.

Key words: mathematical modeling, controlled technical systems, differential inclusions, variability, multivaluence, optimization, algorithms, artificial neural networks, gradient descent method, genetic algorithms.

DOI: 10.21667/1995-4565-2018-64-2-46-54

MODERNIZED ALGORITHM OF CLUSTERING WITH KOHONEN NEURAL MAP IN THE PROBLEM OF PROCESSING HYPERSPECTRAL IMAGES

Autors: M. N. Guryeva.

Key words: clustering, hyperspectral images, neural map, filtration, remote Earth sensing.

DOI: 10.21667/1995-4565-2018-64-2-55-61

 

MANAGEMENT IN SOCIAL AND ECONOMIC SYSTEMS

ALGORITHMIC SUPPORT AND SOFTWARE FOR MODELING SOCIAL PERCOLATION PROCESSES IN RANDOM NETWORK STRUCTURES

Autors: A. D. Zaltsman, A. S. Alyoshkin.

Key words: algorithms for constructing random networks, algorithms for modeling network clustering and percolation, software for percolation modeling.

DOI: 10.21667/1995-4565-2018-64-2-62-72

EXPERIMENTAL STUDY OF TEXT DOCUMENTS VECTORIZATION TECHNIQUES AND THEIR CLUSTERING ALGORITHMS EFFICIENCY

Autors: K. K. Otradnov, V. K. Raev.

Key words: clustering efficiency, quality metrics, processing time, clustering algorithms, vector document representation models.

DOI: 10.21667/1995-4565-2018-64-2-73-84

ANALYSIS OF WORDS SEMANTIC CLOSURE WITH KOHONEN CARDS

Autors: A. V. Gigolaev, N. I. Tsukanova.

Key words: text, words, context, clustering, Kohonen map, metric, neural network, fuzzy sets and fuzzy relations, fuzzy graph.

DOI: 10.21667/1995-4565-2018-64-2-85-91

ANALYSIS AND PROCESSES MODELING OF GROUP BEHAVIOR BASED ON THE SYSTEMS OF DIFFERENTIAL KINETIC EQUATIONS AND THE METHOD OF ALMOST PERIODIC FUNCTIONS

Autors: A. G. Smychkova, E. G. Andrianova.

Key words: group selection; social systems; modeling of voters’ behavior; kinetic differential equations; election campaign; transition diagram; almost periodic functions; forecasting.

DOI: 10.21667/1995-4565-2018-64-2-92-101

ALGORITHM OF EVALUATING THE EFFICIENCY OF UNIVERSITY STRUCTURAL UNITS FOR MANAGING ITS RATING ESTIMATES

Autors: L. A. Ponomareva, O. N. Romashkova, I. P. Vasiljuk.

Key words: structural subdivisions of the university, efficiency evaluation, calculation algorithm, discriminant analysis, rating, department, efficiency boundary.

DOI: 10.21667/1995-4565-2018-64-2-102-108

TASK OF SPATIAL OBJECT ACCOMMODATION BASED ON THE USE OF FUZZY INFORMATION SITUATION

Autors: V. YA. Tsvetkov, V. V. Oznamets.

Key words: fuzzy sets, soft calculations, spatial analysis, information situation, fuzzy information situation.

DOI: 10.21667/1995-4565-2018-64-2-109-115

 

ELECTRONICS AND NANOELECTRONICS

GENERATION CHARACTERISTICS OF SMALL–SIZED ТЕА–СО2 LASER AT TEMPERATURES ATCOOLING UP TO –28 С

Autors: Do Quang Manh, B. A. Kozlov.

Key words: small-sized sealed-off TEA–CO2 laser, generation characteristics, pumping efficiency, temperature regime of laser active element, laser radiation pulse parameters, laser radiation energy in pulse, pulse radiation duration, pulse power.

DOI: 10.21667/1995-4565-2018-64-2-116-121

INFLUENCE OF XENON SMALL ADDITIONS ON VELOCITY OF «ELECTRICAL WIND» IN СО2–LASER MIXTURES AT ATMOSPHERIC PRESSURE

Autors: Do Quang Manh, B. A. Kozlov.

Key words: pulse repetition rate, average radiation power, «electrical wind» effect, unipolar crown discharge, gas addition, transverse gas blowing, gas dynamic method of gas flow velocity measurement, dynamic pressure.

DOI: 10.21667/1995-4565-2018-64-2-122-127

MODIFICATION OF ELECTRODE SURFACE BY VACUUM ARC DISCHARGE

Autors: V. A. Stepanov, A. I. Kudyukin, E. N. Moos, N. B. Rybin, A. T. Rott, K. E. Seregin.

Key words: vacuum arc, arc-extinguishing camera, issue, multicomposition alloys, atomic and force microscopy, surface relief, cathode spots

DOI: 10.21667/1995-4565-2018-64-2-128-131

TECHNOLOGY MODE OF SOLDERING AND EXHAUST TUBELESS PUMPING OF CERAMIC-METAL ARC EXTINGUISH CHAMBER

Autors: A. I. Kudyukin, M. N. Makhmudov, E. N. Moos, A. T. Rott, K. E. Seregin, V. A. Stepanov, L. F. Sjatisheva.

Key words: hydrogen furnace, vacuum, arc extinguishing chamber, temperature gradient, metal ceramics, mode, computer graphics, pumping, vacuum furnace, components, section, technology.

DOI: 10.21667/1995-4565-2018-64-2-132-136

DESIGNING AND RESEARCHING OF ORBITRON IONIZATION MANOMETRIC CONVERTER

Autors: V. A. Korotchenko, V. K. Bazylev, V. E. Skvortsov, A. M. Zhidkov, T. N. Andreasyan.

Key words:  orbitron vacuum sensor, сomputer modelling, motion of electrons.

DOI: 10.21667/1995-4565-2018-64-2-137-145

PHYSICO-CHEMICAL CHARACTERISTICS OF NANOSTRUCTURING PROCESSES IN POLYCRYSTALLINE PHOTODETECTOR GRAIN INTERFACES BASED ON LEAD CHALCOGENIDES

Autors: E. V. Maraeva, V. A. Moshnikov.

Key words:  Lead chalcogenides, photoconductivity, phase equilibrium, triangulation method.

DOI: 10.21667/1995-4565-2018-64-2-146-151