South-Western State University

www.swsu.ru
Kursk, Russia

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Egorov S.I.,South-Western State University | Grafov O.B.,South-Western State University
Telecommunications and Radio Engineering (English translation of Elektrosvyaz and Radiotekhnika) | Year: 2013

An algorithm for list decoding of Reed-Solomon codes with the decoding area radius, reaching n - k, is presented. Its correction capacities for Reed-Solomon codes, defined over the GF(28) field, are studied. © 2013 by Begell House, Inc.


Mironovich L.M.,South-Western State University | Kostina M.V.,South-Western State University | Podol'Nikova A.Yu.,South-Western State University
Russian Journal of Organic Chemistry | Year: 2013

By reaction of carbonyl compounds with 7-amino-3-tert-butyl-4-oxo-4,6- dihydropyrazolo[5,1-c]-[1,2,4]triazine-8-carbonitrile 3-tert-butyl-8-R-4,6,9,10- tetrahydropyrimido[4′,5′:3,4]pyrazolo[5,1-c][1,2,4]-triazine-4, 10-diones and (3-tert-butyl-4-oxo-8-cyano-4,6-dihydropyrazolo[5,1-c][1,2,4] triazin-7-yl)acetamide were obtained. © 2013 Pleiades Publishing, Ltd.


Lushnikov B.V.,South-Western State University
Russian Engineering Research | Year: 2010

Vibrational diagnostics of dynamic systems on the basis of separate identification of the dissipative parameters of dry positional and viscous friction is considered. © 2010 Allerton Press, Inc.


Yatsun S.F.,South-Western State University | Loktionova O.G.,South-Western State University | Vorochaeva L.Y.,South-Western State University
International Journal of Pharmacy and Technology | Year: 2016

The article deals with the movement of a complex jumping-flying robot during the performance of one jump. A robot takeoff is performed due to a booster modulebuilt in housing and a flight range increase is provided by the opening of wings at the top point of a jump. The mathematical model of the robot wings aerodynamic interaction with a surrounding environment takes place,a special attention is paid to the definition of a given aerodynamic force application point position on a wing. The result of numerical simulation is the impact of a wing fixing point position on a flight distance and the device body rotation during a jump. © 2016,International Journal of Pharmacy and Technology. All rights reserved.


Lupehina I.,South-Western State University | Rukavitsyn A.,South-Western State University
Proceedings of 2015 International Conference on Mechanical Engineering, Automation and Control Systems, MEACS 2015 | Year: 2015

This article discusses the questions of constructing an algorithm for solving differential equations that describe the dynamics of motion of a mobile two-mass mechanical system moving separately from the surface. The presented jumping mini-robot model consists of an external and an internal body, the variation of the angular velocity of which allows us to control the motion. © 2015 IEEE.


Kuz'menko A.P.,South-Western State University | Aung C.N.,South-Western State University | Rodionov V.V.,South-Western State University
Technical Physics | Year: 2015

Results of micro- and nanodimensional investigations into fractal structures arising in mineral water sediments prepared by the drop method are presented. The qualitative analysis of attendant physical processes makes it possible to formulate conditions for 3D fractalization, which take into account the sizes of colloidal particles, their distances to the center of the drop, and the height of the drop: rmin = Rmax = hmax and rmax = Rmin = hmin. It is shown that surface tension forces and Coulomb forces make a major contribution to fractalization under normal conditions. © 2015, Pleiades Publishing, Ltd.


Lushnikov B.V.,South-Western State University
Russian Engineering Research | Year: 2014

By computer analysis of experimental recordings of free damping vibrations in a dynamic system, the dissipative parameters of dry and viscous friction may be determined on the basis of numerical construction of the envelope using an integral Hilbert transformation. The algorithm permits digital filtration, thinning, and smoothing of the initial data and averaging of the results. © 2014, Allerton Press, Inc.


Ageeva E.V.,South-Western State University | Khor'yakova N.M.,South-Western State University | Ageev E.V.,South-Western State University
Russian Engineering Research | Year: 2015

The morphology and composition of copper powder obtained by electrospark dispersion of waste from copper electrical wire are investigated. The primary chemical element in the powder is copper (98.69%). © 2015, Allerton Press, Inc.


Ageeva E.V.,South-Western State University | Ageev E.V.,South-Western State University | Karpenko V.Y.,South-Western State University
Russian Engineering Research | Year: 2015

X-ray structural analysis of nanopowder produced from high-speed steel waste by electrospark dispersion in distilled water shows that the primary phases are iron and magnetite. © 2015, Allerton Press, Inc.


Mirgorod Y.A.,South-Western State University | Emel'yanov S.G.,South-Western State University
Journal of Mining Science | Year: 2015

The authors generalize the research aimed at integrated production of nanomaterials. Mixes of metal ions are concentrated and separated in ion flotation. In micellar solutions of extracted ions, nanoparticles of metals or their oxides are obtained. Nanoparticles are converted in nanomaterials. The article discusses physico-technical problems of ion flotation, production of nanoparticles in direct micelles and properties of nanomaterials. © 2015, Pleiades Publishing, Ltd.

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