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Now showing items 222-241 of 3793

    • SCALING BANDWIDTH WIRELESS NETWORK USING TECHNOLOGY 

      Венідіктов, О.В.; Венидиктов, О.В.; Venidiktov, O.V.; науковий керівник – к.т.н., доцент Шмельова, Т.Р. (ОНАЗ ім. О.С. Попова, 2015)
      In this work present JMB, a joint multiuser beamforming system, that enables independent access points (APs) to beamform their signals and communicate with their clients on the same channel as if they were one large MIMO ...

    • SCIENTIFIC - METHODOLOGICAL PRINCIPLES OF ESTIMATING THE EFFICIENCY OF INNOVATIVE-INVESTMENT DEVELOPMENT PROGRAM OF COMMUNICATIONS PROVIDER 

      Бурименко, Ю.И.; Бабур, И.П.; Буріменко, Ю.І.; Бабур, І.П.; Burimenko, Yu.I.; Babur, I.P. (Одеса, 2010)
      The prospect of future research consists in studying the effect of service market vagueness factors on the program efficiency indices. Перспектива будущего исследования заключается в изучении влияния факторов неопределенности ...

    • SECURITY AMPLIFICATION OF THE PING-PONG PROTOCOL WITH MANY-QUBIT GREENBERGER-HORNE-ZEILINGER STATES 

      Vasiliu, E.V.; Васіліу, Є.В.; Василиу, Е.В.; Gnatyuk, S.O.; Гнатюк, С.О.; Гнатюк, С.А.; Nikolayenko, S.V.; Ніколаєнко, С.В.; Николаенко, С.В.; Zhmurko, T.O.; Жмурко, Т.О.; Жмурко, Т.А. (Національний авіаційний університет, 2012)
      In this paper the non-quantum method of security amplification for the ping-pong protocol with many-qubit entangled Greenberger-Horne-Zeilinger states (GHZ-states) is proposed. This method can be used in quantumcryptography ...

    • SECURITY OF GRID STRUCTURES WITH CUT-THROUGH SWITCHING NODES 

      Shmeleva, T.R.; Шмельова, Т.Р.; Шмелёва, Т.Р. (Институт систем информатики им. А.П. Ершова, 2017)
      Store-and-forward buffering of packets is traditionally used in modern network devices such as switches and routers. But sometimes it is a significant obstacle to the quality of service improvement because the minimal ...

    • SECURITY OF GRID STRUCTURES WITH CUT-THROUGH SWITCHING NODES 

      Shmeleva, T.R.; Шмельова, Т.Р.; Шмелёва, Т.Р. (ОНАЗ ім. О.С. Попова, 2017)
      Eighth Workshop Program "Semantics, Specification and Verification: Theory and Applications", June 26, 2017

    • SERVICE-ORIENTED ARCHITECTURES WITH WEB SERVICES’ DEPLOYMENT 

      Захарченко, Н.В.; Лунтовский, А.О.; Zakharchenko, N.V.; Luntovskyy, A.O. (ОНАЗ ім. О.С. Попова, 2010)
      Service-oriented architectures (SOA) based on Web Services (WS) are examined. The technology can deploy multiple available platforms but there is still the following important problem-triad: performance-security-implementation ...

    • A SIMPLE METHOD FOR A PRECISE SOLUTION OF THE DIGITAL OPTIMAL CONTROLLERS DESIGN PROBLEM FOR SISO OBJECTS WITH DELAY 

      Стопакевич, А.О.; Стопакевич, А.А.; Stopakevych, A.O.; Стопакевич, О.А.; Стопакевич, А.А.; Stopakevych, A.A.; Тігарєв, А.М.; Тигарев, А.М.; Tigariev, А.М.; Тігарєва, Т.Г.; Тигарева, Т.Г.; Tigareva, T.G. (ОНАЗ ім. О.С. Попова, 2019)
      Models of aperiodic and integrator links with delay are traditional representations of controlled objects of various processes. In this case, the PID-family algorithms are traditionally used as control algorithms for which ...

    • SIMPLIFIED DYNAMICS MODEL OF THE GAS TURBINE POWER GENERATION UNIT FOR MODEL-BASED DESIGN OF CONTROL SYSTEMS 

      Xu, J.; Stopakevych, A.O.; Стопакевич, А.О.; Стопакевич, А.А. (ОНАЗ ім. О.С. Попова, 2018)
      Simplified dynamics model of the gas turbine power generator unit was developed to represent its main variables change in time. It’s shown that the developed model can be used for control system design and simulation ...

    • SIMULATION OF RADIO COVERAGE IN 5G MOBILE NETWORKS FOR URBAN ENVIRONMENT 

      Маковеєнко, Д.О.; Маковеенко, Д.О.; Makoveenko, D.O.; Сідень, С.В.; Сидень, С.В.; Siden, S.V. (ОНАЗ ім. О.С. Попова, 2020)
      The paper simulates radio coverage for 5G mobile communication networks in an urban environment. Models of radio wave propagation in extremely high frequency (EHF) bands are presented. According to the results of the ...

    • SMARTLIGHTING SYSTEM 

      Карюхина, В.С.; Карюхина, В.С.; Kariukhyna, V.S.; Сіменс, Е.; Сименс, Э.; Siemens, E.; Каптур, В.А.; Каптур, В.А.; Kaptur, V.A. (ОНАЗ ім. О.С. Попова, 2015)
      SmartLighting is the system of street lighting target for economical consumption of the necessary power. In the article the following issues are represented: practical necessity for development of SmartLighting system, ...

    • SOCIO-ECONOMIC EFFICIENCY OF POSTAL COMMUNICATION 

      Орлов, В.М.; Орлов, В.Н.; Orlov, V.M.; Кузнєцова, О.В.; Кузнецова, О.В.; Kuznietsova, O.V. (ОНАЗ ім. О.С. Попова, 2018)
      Postal service (postal operators) is an integral and important part of modern infrastructure that provides consumers with quality and affordable services [1]. Post communication is not only a sphere of the economy in the ...

    • THE SOLUTION TO THE PROBLEM OF THE QoS CHARACTERISTICS DEFINITION FOR SELF-SIMILAR TRAFFIC SERVISED BY THE W/M/1 QS 

      Стрелковская, И.В.; Соловская, И.Н.; Григорьева, Т.И.; Паскаленко, С.А.; Стрелковська, І.В.; Соловська, І.М.; Григорьева, Т.И.; Паскаленко, С.А.; Strelkovskaya, I.V.; Solovskaya, I.N.; Grygoryeva, T.I.; Paskalenko, S.A. (Львовский политехнический национальный университет, 2016)
      The problem of QoS characteristics definition for self-similar traffic for queuing system of the type W/M/1 using the Weibull distribution is considered. To solve this problem, a transformation of Laplace-Stieltjes is ...

    • SOME ASPECTS OF CHARACTERIZATION THE REFERENCE TEST SIGNAL FOR EVALUTUATION AND CORRECTION LINEAR DISTORTION IN TV CHANNEL 

      Гофайзен, О.В.; Gofaizen, O.V. (УНДІРТ, 1995)
      There are presented the results of analisis conducted as a continuation of published in [3] studies on problem of choice universal reference test signal for evaluation and correction linear distortion in TV channal. Пре ...

    • SOME ASPECTS OF FORMATION KNOWLEDGE BASE INFORMATION ON THE BASIS OF USE OPTICAL-ELECTRONIC OF TV AND MM PATHS 

      Gofaizen, O.V.; Гофайзен, О.В.; Гофайзен, О.В.; Pyliavskyi, V.V.; Пілявський, В.В.; Пилявский, В.В.; Forostenko, М.О.; Форостенко, М.О.; Форостенко, М.О. (Belarusian National Technical University, 2017)
      This paper considers algorithms of visual information in the application of multimedia and television problems. Looks at the application of data of visual information in their spectral composition. Attention is drawn to ...

    • SOME PSYCHOLOGICAL FEATURES OF COMMUNICATION IN MANAGEMENT 

      Бондаренко, О.В.; Бондаренко, О.В.; Bondarenko, O.V.; Завалевська, О.; Завалевская, О.; Zavalevska, О.; Грищук, Т.; Грищук, Т.; Hryshchuk, Т. (ОНАЗ ім. О.С. Попова, 2018)
      Nowadays manager should be able to play a tremendous number of different roles including interindividual, informational and roles connected to decision-making. But first of all, there is a great pool of roles, which are ...

    • SPECTRAL CHARACTERISTICS OF THE SDTV, HDTV AND UHDTV CAMERAS 

      Gofaizen, O.V.; Гофайзен, О.В.; Гофайзен, О.В.; Pyliavskyi, V.V.; Пилявський, В.В.; Пилявский, В.В.; Осецкий, С.В.; Осецький, С.В.; Osetsky, S.V. (ОНАЗ ім. О.С. Попова, 2015)
      Approaches to the evaluation of color fidelity in the standard, high and ultra-high definition television systems and in the related applications, depending on the spectral characteristics of the cameras, are considered. ...

    • SPLINE EXTRAPOLATION METHOD FOR RESTORING SELF-SIMILAR TRAFFIC 

      Стрелковська, І.В.; Стрелковская, И.В.; Strelkovska, I.V.; Соловська, І.М.; Соловская, И.Н.; Solovska, I.M.; Паскаленко, В.М.; Паскаленко, В.Н.; Paskalenko, V.M. (ОНАЗ ім. О.С. Попова, 2019)
      The problem of predicting self-similar traffic, which has a considerable number of bursts and ripples and the property of long-term dependence, using the method of spline-extrapolation using cubic B-splines was considered ...

    • SPLINE-APPROXIMATION-BASED RESTORATION FOR SELF-SIMILAR TRAFFIC 

      Strelkovskaya, I.V.; Стрелковська, І.В.; Стрелковская, И.В.; Solovskaya, I.N.; Соловська, І.М.; Соловская, И.Н.; Severin, N.V.; Северин, М.В.; Северин, Н.В.; Paskalenko, S.A.; Паскаленко, С.А.; Паскаленко, С.А. (НПП ЧП «Технологический Центр», 2017)
      Розглядається система масового обслуговування вигляду G/M/1/K з розподілом Вейбула. Для самоподібного трафіку розроблена імітаційна модель за допомогою програмного пакету Simulink в середовищі Matlab. За допомогою ...

    • STOCHASTIC METHOD FOR EVALUATING INTERFERENCE FROM THE IMT MOBILE STATIONS TO THE GROUND STATION OF RADIODETERMINATION SERVICE 

      Іконніков, С.Н.; Иконников, С.Н.; Ikonnikov, S.N. (ОНАЗ ім. О.С. Попова, 2014)
      Conservative deterministic method for determining the interference is ineffective in the case of estimat-ing the electromagnetic compatibility with services such as mobile, since in this case are not considered random ...

    • STUDY OF GROUNDING RESISTANCE IN MULTILAYER GROUND 

      Старенька, І.Р.; Старенькая, И.Р.; Starenka, I.R.; Бондаренко, О.В.; Бондаренко, О.В.; Bondarenko, O.V. (ОНАЗ ім. О.С. Попова, 2016)
      In this work were studied the resistivity of multilayer soil and determination the resistance of grounding with real geological structure of the soil. The analysis of the obtained results were done.