Журнал «Радиотехника» | Издательство РАДИОТЕХНИКА

О.V. Chernoyarov - Dr. Sci. (Phys.-Math.), Department of Radio engineering Devices, National Research University "MPEI". E-mail: o_v_ch@mail.ru
А.Е. Rozanov - Post-graduate Student, Department of Radio engineering Devices, National Research University "MPEI"
А.V. Salnikova - applicant for Ph.D. in radio engineering, Department of Radio engineering Devices, National Research University "MPEI"

Digital antenna arrays calibration

E.M. Dobychina - C.Sc. (Eng.), Associate Professor of Department of Radiophysics, Antennas and Microwave Technique of Moscow Aviation Institute. E-mail: dem5577@yandex.ru

Estimating the number of signals with unknown amplitudes

A. P. Trifonov - Dr. Sc. (Eng.), Professor, Honoured Scientist of the Russian Federation, Head of Department of Radiophysics of Voronezh State University. E-mail: trifonov@phys.vsu.ru, trirad@mail.ru
A. V. Kharin - Post-graduate Student of Department of Radiophysics of Voronezh State University. E-mail: phys.vsu@gmail.com

The optimal algorithm of determination the coordinates and its potential measurement accuracy with using hyperbolic method

V.P. Dubykin - Ph.D. (Eng.), associate professor. Voronezh State Technical University V.A. Kozmin - Ph.D. (Eng), professor, IRCOS JSK. E-mail: kv@ircoc.vrn.ru
B.V. Matveev - Ph.D. (Eng.), professor, Voronezh State Technical University. E-mail: matveev@mail.ru
A.A. Salikov - Post-graduate student, Voronezh State Technical University. E-mail: salikovaa@ircoc.vrn.ru

Metrological properties of the senses

D. N. Kirillov - Post-Graduate Student, Nizhny Novgorod State University. E-mail: dtm-06@yandex.ru
V. А. Odnosevtsev - Senior Teacher, Nizhny Novgorod State University. E-mail: ivdn5@yahoo.com
D. N. Ivlev - Ph.D. (Phys.-Math.), Associate Professor, Nizhny Novgorod State University. E-mail: ivlev@rf.unn.ru
I. Ya. Orlov - Dr.Sc. (Eng.), Professor, Nizhny Novgorod State University. E-mail: orlov@rf.unn.ru
А. P. Evseev - Chief of Laboratory of Radio Engineering Department, Nizhny Novgorod State University. E-mail: evseevap@mail.ru
А. V. Smirnov - Head of a Department of Branch of OAO «Azimut» (Nizhny Novgorod). E-mail: SmirnovAlex73@mail.ru

Strategy to evaluate safety of system during functioning

N.A. Severtsev - Dr. Sc. (Eng.), Professor, Head of Department, Dorodnicyn Computing Centre of RAS. E-mail: wcan@ccas.ru
A.V. Betskov - Ph. D. (Eng.), Research Scientist, Academy of Management of Interior Ministry RF. E-mail: 1port@mail.ru

The iterative method for estimating angular coordinates of correlated radiation sources

D. N. Kirillov - Post-graduate Student, Lobachevsky State University of Nizhny Novgorod. E-mail: dtm-06@yandex.ru
V. A. Odnosevtsev - Senior Teacher, Lobachevsky State University of Nizhny Novgorod. E-mail: ivdn5@yahoo.com
D. N. Ivlev - Ph.D. (Phys.-Math.), Associate Professor, Lobachevsky State University of Nizhny Novgorod. E-mail: ivlev@rf.unn.ru
I. Ya. Orlov - Dr.Sc. (Eng.), Professor, Lobachevsky State University of Nizhny Novgorod. E-mail: orlov@rf.unn.ru
A. P. Evseev - Head of Laboratory of Radio Engineering Department, Lobachevsky State University of Nizhny Novgorod. E-mail: evseevap@mail.ru
A. V. Smirnov - Head of Department of branch of JSC "Azimut" (Nizhny Novgorod). E-mail: SmirnovAlex73@mail.ru

Receiving OFDM signals in channels with scatteringV.G. Kartashevskij - Dr. Sc. (Eng.), Professor, Dean of Faculty, Head of Department, Volga State University of Telecommunications and Informatics (Samara) E-mail: kartash@psati.ru K.A. Bel\'skij - QA Analyst/Business Analyst, LLC «NetCracker» (Sama

V.G. Kartashevskij - Dr. Sc. (Eng.), Professor, Dean of Faculty, Head of Department, Volga State University of Telecommunications and Informatics (Samara) E-mail: kartash@psati.ru K.A. Bel\'skij - QA Analyst/Business Analyst, LLC «NetCracker» (Samara) E-mail: kirill.belskiy@my.com K.S. Slipenchuk - Deputy Head of Department, Volga State University of Telecommunications and Informatics (Samara) E-mail: slipenchuk-ks@psuti.ru

Description of dynamic system evolution by finite markovian process as efficiency of use

N.A. Severtsev - Dr. Sc. (Eng.), Professor, Head of Department, Dorodnicyn Computing Centre of RAS (Moscow). E-mail: wcan@ccas.ru A.V. Mukhin - Ph. D. (Phys.-Math.), Research Scientist, Dorodnicyn Computing Centre of RAS (Moscow). E-mail: muchine@yandex.ru

Accuracy of direction finding and fixing of super-broadband signals sources in ranging systems

O. V. Afanas-ev - Ph.D. (Eng.), Head of Department, JSC «Concern «Sozvezdie» (Voronezh). E-mail: office@sozvezdie.su S. N. Razin-kov - Dr.Sc. (Phys.-Math.), Senior Research Scientist, Leading Research Scientist, Air Force Academy n.a. Prof. N.E. Zhukovsky and Yu.A. Gagarin (Voronezh). E-mail: razinkovsergey@rambler.ru

Using feedforward neural networks for implementing maximum likelihood parameter estimators

E.N. Efimov - Post-graduate Student, Department 405, Moscow Aviation Institute (MAI). E-mail: omegatype@gmail.com D.V. Filimonova - Student, Department 405, Moscow Aviation Institute (MAI). E-mail: daria-fili@rambler.ru T.Y. Shevgunov - Ph. D. (Eng.), Associate Professor, Department 405, Moscow Aviation Institute (MAI). E-mail: shevgunov@mai-trt.ru

The angle-of-arrival integrity monitoring efficiency under multiple observations

A.P. Melikhova - Part-programming engineer, LLC «Special Technology Center» (SPb). E-mail: antonina_92@list.ru I.A. Tsikin - Dr. Sc. (Eng.), Professor, Peter The Great St.Petersburg Polytechnic University. E-mail: tsikin@mail.spbstu.ru

Quasi-likelihood radio signal detection algorithms with the unknown appearance and disappearance moments

A.P. Trifonov - Dr.Sc. (Eng.), Professor, Honored Scientist of RF, Head of Department of Radiophysics, Voronez State University; National Researcher University «МEI». E-mail: trifonov@phys.vsu.ru Yu.E. Korchagin - Dr.Sc. (Phys.-Math.), Associate Professor, Department of Radiophysics, Voronez State University; National Researcher University «МEI». E-mail: korchagin@phys.vsu.ru S.V. Korolkov - Post-graduate Student, Department of Radiophysics, Voronez State University. E-mail: sergeik1991@rambler.ru

Synthesis and analysis of algorithm of radio-wave radiation direction evaluation in tracking system with a 2D few-element antenna array of optimal spatial structure

Yu.N. Parshin - Dr. Sc. (Eng.), Professor, Head of Department of Radio Technical Devices, Ryazan State Radio Engineering University. E-mail: Parshin.y.n@rsreu.ru P.A. Aleksandrov - Post-graduate Student, Ryazan State Radio Engineering University. E-mail: delacroix@mail.ru

Radiation source angular coordinate evaluation on a background of interference with an adaptation of few-element antenna array spatial structure

Yu.N. Parshin - Dr. Sc. (Eng.), Professor, Head of Department of Radio Engineering Devices, Ryazan State Radio Engineering University. E-mail: parshin.y.n@rsreu.ru P.A. Aleksandrov - Post-graduate Student, Department of Radio Engineering Devices, Ryazan State Radio Engineering University. E-mail: delacroix@mail.ru

Efficiency of radio-signal with unknown parameters detection

A.P. Trifonov - Dr. Sc. (Eng.), Honored Scientist of RF, Professor, Head of Department of Radiophysics, Voronezh State University. E-mail: trifonov@phys.vsu.ru E.V. Litvinov - Ph. D. (Phys.-Math.), Assistant, Department of Radiophysics, Voronezh State University. E-mail: elitvinov@list.ru

Identification of monitoring objects with estimation of maximum likelihood of angular coordinates in the systems with multi-beam aperture antennas

S. N. Razin´kov - Dr.Sc. (Phys.-Math.), Senior Research Scientist, Leading Research Scientist, Air Force Academy n.a. Prof. N.E. Zhukovsky and Yu.A. Gagarin (Voronezh). E-mail: razinkovsergey@rambler.ru Ye. A. Reshetnyak - Head of Department - Deputy Director, Air Force Academy n.a. Prof. N.E. Zhukovsky and Yu.A. Gagarin (Voronezh). E-mail: reshetnyakea@bk.ru

Synchronization and selection of symbols at the reception of BPSK radio signal

V.A. Simongauz - Ph. D. (Eng.), Associate Professor, Department 402, Moscow Aviation Institute (National Research University)

Measuring the frequency components of the mixture signals by maximum likelihood

V.N. Zhurakovsky - Ph.D. (Eng.), Associate Professor, Bauman Moscow State Technical University E-mail: Zhurakovsky@sm.bmstu.ru А.S. Logvinenko - Engineer, Bauman Moscow State Technical University E-mail: nyusha.logvinenko@mail.ru

Angle-of-Arrival integrity monitoring method optimization for real GNSS constellations

A.P. Melikhova - Part-programming Engineer, LLC «Special Technology Center» (Saint Petersburg) E-mail: antonina_92@list.ru I.A. Tsikin - Dr. Sc. (Eng.), Professor, Department «Radio Engineering and Telecommunication Systems», Peter The Great St.Petersburg Polytechnic University E-mail: tsikin@mail.spbstu.ru

Optimal synchronization and selection of symbols at the reception of QPSK radio signal

V.I. Simongauz - Ph. D. (Eng.), Associate Professor, Moscow Aviation Institute (National Research University) E-mail: simongauz@rambler.ru

Maximum likelihood estimates of the doppler frequency of laser anemometer signals in the study of turbulent flows

V.S. Sobolev - Dr.Sc. (Eng.), Professor, Chief Research Scientist, Institute of Automation and Electrometry, Siberian Branch of the Russian Academy of Sciences E-mail: sobolev@iae.nsk.su G.А. Kashcheeva - Research Scientist, Institute of Automation and Electrometry, Siberian Branch of the Russian Academy of Sciences F.А. Zhuravel - - Ph.D. (Eng.), Leading Engineer, Institute of Automation and Electrometry, Siberian Branch of the Russian Academy of Sciences

Potential accuracy of laser Doppler anemometry in the many-particle scattering mode

V.S. Sobolev - Dr. Sc. (Eng.), Professor, Main Research Scientist, Head of Laboratory of Laser Information-Measuring Systems, Institute of Automation and Electrometry SB RAS (Novosibirsk) E-mail: sobolev@iae.nsk.su G.A. Kascheeva - Research Scientist, Institute of Automation and Electrometry SB RAS (Novosibirsk) E-mail: sobolev@iae.nsk.su

Statistical treatment of signal power measurements under identification of the distant radiator antenna directional pattern

P. P. Krutskikh, V. G. Radzievskiy

Air Force Academy named after professor N.E. Zhukovsky and Yu.A. Gagarin (Voronezh, Russia)

Algebraic solutions in determining the coordinates of the radiator by the results of multi-position measurements of field strength

V.A. Ufaev – Dr.Sc.(Eng.), Senior Research Scientist,

MESC «Zhukovsky–Gagarin Air Force Academy» (Voronezh)

Algebraic solutions in determining the coordinates of the radiator by the results of multi-position measurements of field strength

V.A. Ufaev – Dr.Sc.(Eng.), Senior Research Scientist,

MESC «Zhukovsky–Gagarin Air Force Academy» (Voronezh)

E-mail: Andreyuff@mail.ru

Low complexity decoding algorithm for differential space-time block coding transmission systems

M.S. Tokar

Pridnestrovian State University of Taras Shevchenko (Tiraspol, Pridnestrovian Republic)

Estimation of trajectory parameters of radio radiation sources in multi-position complexes by the maximum likelihood method

A.A. Chugunov1, V.B. Pudlovskiy2, R.S. Kulikov3, A.P. Malyshev4

1−4 National Research University «MPEI» (Moscow, Russia)

2 FSUE “VNIIFTRI” (Mendeleevo, Moscow region, Russia)

The potentional accuracy with fluctuation of the beam patterns of antenna elements for directional finding of antenna system of mono impulse directional finder

M.L. Artemov1, M.P. Slichenko2, S.P. Trushin3

1−3 JSC «Concern «Sozvezdie» (Voronez, Russia)

3 Voronezh State University (Voronezh, Russia)

Efficiency of detection of an ultra-wideband signal of unknown shape with unknown moments of appearance and disappearance of the signal received against the background of narrowband interference and Gaussian white noise

P.A. Trifonov1, N.N. Ahmad2

1,2 MESC AF "Air Force Academy named after prof. N.E. Zhukovsky and Yu.A. Gagarin" (Voronezh, Russia)

Calibration of a combined multiport reflectometer in radio frequency identification systems

A. Yu. Nikolaenko – Postgraduate Student, Department of Information and Communication Systems and Software Engineering, Yuri Gagarin State Technical University of Saratov E-mail: anikolaenkosstu@gmail.com

A. A. L’vov – Dr.Sc. (Eng.), Professor, Department of Information and Communication Systems and Software Engineering, Yuri Gagarin State Technical University of Saratov

E-mail: alvova@mail.ru

P. A. L'vov – Ph.D. (Eng.), Head of Laboratory of Engels Design and Development Department "Signal" n.a. A.I. Glukharev E-mail: peter.lvov@gmail.com

Account of the terrain at the location of the emitter by the results of two-dimensional direction finding from the aircraft

V.A. Ufaev – Dr.Sc.(Eng.), Senior Research Scientist, Leading Research Scientist,

MESC «Zhukovsky–Gagarin Air Force Academy» (Voronezh)

E-mail: andreyuff@mail.ru

D.V. Ufaev – Ph.D.(Eng.), Senior Research Scientist, Research Institute of Railway Troops № 61

M.P. Belyaev – Ph.D.(Eng.), Deputy Head of 23d Department, MESC «Zhukovsky–Gagarin Air Force Academy» (Voronezh) E-mail: belyaev_mp@mail.ru

Method of collateral processing of the results of radio monitoring received from polytypic tools

M.L. Artemov – Dr.Sc.(Eng.), Associate Professor, Acting Deputy General Director of

JSC «Concern «Sozvezdie» (Voronez)

E-mail: m.l.artemov@sozvezdie.su

O.V. Afanasyev – Ph.D.(Eng.), Acting Director of STC «REB and spetssvyaz»,

JSC «Concern «Sozvezdie» (Voronez)

E-mail: o.v.afanasev@sozvezdie.su

The method of detection of moving sources of radio emission by the results of their multiple single-position detection-direction finding

M.L. Artemov – Dr.Sc.(Eng.), Associate Professor, Acting Deputy General Director,

JSC «Concern «Sozvezdie» (Voronez)

E-mail: m.l.artemov@sozvezdie.su

O.V. Afanasyev – Ph.D.(Eng.), Acting Director of STC «REB and spetssvyaz»,

JSC «Concern «Sozvezdie» (Voronez)

E-mail: o.v.afanasev@sozvezdie.su

O.A. Masharova – Engineer,

JSC «Concern «Sozvezdie» (Voronez)

E-mail: ntu541@sozvezdie.su

Maximum-likelihood algorithm for solving the problem of determining on-board direction-finder antenna coordinates and angular orientation on the basis of radio direction-finding of reference radio emission sources

A. D. Vinogradov – Dr.Sc. (Eng.), Professor, Chief Research Scientist

Military Air Force Academy n.a. Prof. N.E. Zhukovsky and Y.A. Gagarin (Voronezh)

E-mail: mvvad@mail.ru

A. Yu. Vostrov – Chief Designer,

JSC «Concern «Sozvezdie» (Voronezh)

E-mail: a.y.vostrov.1988@mail.ru

I. S. Dmitriev – Ph.D. (Eng.), Leading Research Scientist,

JSC «Concern «Sozvezdie» (Voronezh)

E-mail: dmiv@mail.ru

Influence on low-angle target characteristic measuring by surface-reflected signals

P.V. Baybakov – Head of Sector,

JSC «VNIIRT» (Moscow)

E-mail: oscillatorium@gmail.com

V.N. Zhurakovsky – Ph.D. (Eng.), Associate Professor,

Bauman Moscow State Technical University

E-mail: vnzh521@yandex.ru

Phase estimation of the ultra-wideband quasi-radiosignal with unknown duration

Yu.E. Korchagin – Dr.Sc. (Phys.-Math.), Associate Professor, Head of the Department of Radiophysics, Voronezh State University

E-mail: korchagin@phys.vsu.ru

К.D. Titov – Ph.D. (Phys.-Math.), Assistent,

Voronezh State University

E-mail: titovkd@gmail.com

М.S. Voynarovskaya – bachelor, Voronezh State University

E-mail: voynarovskaya1998@mail.ru

Method for forming options of elementary technological operations for the implementation of educational problems by the aviation multi-functional simulator

L.Е. Mistrov – Dr.Sc. (Eng.), Associate Professor, Professor,

Air Force Research Center «VVA», Central Branch of the Russian State Unitary Enterprise (Voronezh) E-mail: mistrov_le@mail.ru

Е.М. Shepovalov – Flight Simulator Head,

Air Force Research Center «VVA» (Voronezh)

E-mail: shepovaloff2011@yandex.ru

Estimation of the spectral density value of a random signal with an unknown bandwidth

Yu.E. Korchagin – Dr.Sc.(Phys.-Math.), Professor, Head of Department of Radiophysics, Voronezh State University E-mail: korchagin@phys.vsu.ru

M.M. Turbin – Undergraduate, Department of Radiophysics, Voronezh State University E-mail: turbin94@gmail.com

A performance of evaluation of amplitude and phase of signal on aperture by means of maximum likelihood method

Yu.N. Parshin – Dr.Sc.(Eng.), Professor, Head of Department of Radio Engineering Devices, Ryazan State Radio Engineering University

E-mail: parshin.y.n@rsreu.ru

I.I. Frolov – Ph.D.(Eng.), Deputy Director, of STC, Ryazan State Instrument-Making Enterprise E-mail: ntc@plata.ryazan.ru

Optimal synchronization and selection of symbols at the reception of QPSK radio signal

V.I. Simongauz – Ph.D.(Eng.), Associate Professor, Department 402,

Moscow Aviation Institute (National Research University) E-mail: simongauz@rambler.ru

Optimal estimation of microwave parameters using the automatic network analyzers. Processing algorithms of measured data

A.A. Lvov – Dr.Sc.(Eng.), Professor, Department «Information and Communication Systems and Software Engineering», Yuri Gagarin State Technical University of Saratov

E-mail: alvova@mail.ru

V.P. Meschanov – Dr.Sc.(Eng.), Professor, Director of NIKA-Microwave, Ltd (Saratov) E-mail: nika373@bk.ru

M.S. Svetlov – Dr.Sc.(Eng.), Leading Research Scientist, Institute of Precision Mechanics and Control RAS (Saratov) E-mail: svetlovms@yandex.ru

A.Yu. Nikolaenko – Post-graduate Student, Department «Information and Communication Systems and Software Engineering», Yuri Gagarin State Technical University of Saratov E-mail: anikolaenkosstu@gmail.com

Combined multi-port correlator and its calibration procedure for software-defined radio systems

A.A. L'vov – Dr.Sc.(Eng.), Professor, Department «Information and Communication Systems and Software Engineering», Yuri Gagarin State Technical University of Saratov

E-mail: alvova@mail.ru

V.P. Meschanov – Honored Scientist of RF, Dr.Sc.(Eng.), Professor, Director of NIKA-Microwave, Ltd (Saratov) E-mail: nika373@bk.ru

N. Semezhev – Post-graduate Student, Department «Information and Communication Systems and Software Engineering», Yuri Gagarin State Technical University of Saratov E-mail: semezhevn@yandex.ru

Algorithm of determining the coordinates and angular orientation of direction-finder antennas on two flying machines with ground-base radio direction-finder

A.D. Vinogradov – Dr.Sc.(Eng.), Professor, Main Research Scientist,

MESC «Zhukovsky–Gagarin Air Force Academy» (Voronezh)

E-mail: mvvad@mail.ru

A.Yu. Vostrov – Senior Designer,

JSC «Concern «Sozvezdie» (Voronez)

E-mail: a.y.vostrov.1988@mail.ru

I.S. Dmitriev – Ph.D.(Eng.), Leading Research Scientist,

JSC «Concern «Sozvezdie» (Voronez)

E-mail: dmiv@mail.ru

Methods for solving the triangulation tasks and their comparative analysis

Yu.G. Bulychev – Honored Scientist of RF, Dr.Sc.(Eng.), Professor,

JSC «VNII «Gradient» (Rostov-on-Don)

E-mail: ProfBulychev@yandex.ru

E.N. Chepel – Head of Department,

JSC «VNII «Gradient» (Rostov-on-Don)

E-mail: evgeny_c@bk.ru

A.V. Yachmenev – Post-graduate Student,

JSC «VNII «Gradient» (Rostov-on-Don)

Adaptive algorithm of processing of signals with unknown modulation law in multistatic radar systems

L.R. Siraziev – Post-graduate Student, Moscow Institute of Physics and Technology (State University); PJSC «Vimpel» (Moscow)

E-mail: sirazievlenar@mail.ru

O.P. Cheremisin – Dr.Sc.(Eng.), Senior Research Scientist, PJSC «Vimpel» (Moscow) E-mail: oleg.cheremisin@mail.ru

Application of the of the Cramer–Rao Lower Bound in the problem of estimating the potential accuracy of a magnetic-field navigation system using component and the field vector module sensors

A.B. Borzov1, Yu.A. Sidorkina2, S.V. Mikaelyan3, A.V. Kolesnikov4, D.A. Vlasenko5

1–5 Bauman Moscow State Technical University (Moscow, Russia)

The Theorem on the amount of Fisher’s information in the case of azimuth direction finding by a multichannel detector-direction finder with an antenna system of arbitrary structure

Afanasiev O.V.1, M.P. Slichenko2, O.N. Zavalishina3

1-3 JSC «Concern «Sozvezdie» (Voronezh, Russia)

Method of direction finding of sources of radio emission with parameterization of directivity characteristics of the antenna system

M.L. Artemov1, O.V. Afanasev2, M.P. Slichenko3, O.N. Zavalishina4

1-4 JSC «Concern «Sozvezdie» (Voronezh, Russia)

Detection and position determination of the signal source in the near-field zone of the circular antenna array

O. V. Bolkhovskaya1, V. A. Sergeev2, A. A. Maltsev3
1–3 National Research Lobachevsky State University of Nizhny Novgorod (Nizhny Novgorod, Russia)

An optimal algorithm for multi-carrier range combination

A.Yu. Shatilov1

1 National Research University “MPEI” (Moscow, Russia)

1 ShatilovAY@mpei.ru

Low-complexity list MIMO demodulator with quasi-optimal error rate performance

G. Basbous1, A.V. Rashich2

1,2 Peter the Great St. Petersburg Polytechnic University (St. Petersburg, Russia)

1 ghena.basbous@gmail.com; 2 andrey.rashich@gmail.com

Detection of phase modulation disorder when processing a sequence of ultra-wideband quasi-radio signals against a background of white Gaussian noise

Yu.E. Korchagin1, K.D. Titov2, O.N. Zavalishina3, A.D. Vinogradov4

1-3 Voronezh State University (Voronezh, Russia)

4 Military Educational and Scientific Center of the Air Force Air Force Academy named after Professor N.E. Zhukovsky and Yu.A. Gagarin (Voronezh, Russia)

1 korchagin@phys.vsu.ru; 2 titovkd@gmail.com; 3 onzavalishina@mail.ru

Terminological features of the concept of signal-to-noise ratio when processing ultra-wideband signals

Yu.E. Korchagin1, K.D. Titov2, A.D. Vinogradov3

1,2 Voronezh State University (Voronezh, Russia)

2,3 MESC of the AFA named after Professor N.E. Zhukovsky and Yu.A. Gagarin (Voronezh, Russia)

1 korchagin@phys.vsu.ru; 2 titovkd@gmail.com

Quasi-likelihood estimation of the arrival time of an ultra-wideband quasi-radio signal with unknown amplitude and initial phase

Yu.E. Korchagin1, K.D. Titov2, V.I. Volovach3, P.A. Kondratovich4, O.N. Zavalishina5

1−5 Voronezh State University (Voronezh, Russia)

1 korchagin@phys.vsu.ru; 2 titovkd@gmail.com; 3 volovach.vi@mail.ru; 4 pkondr@mail.ru; 5 onzavalishina@mail.ru