Now showing items 89-108 of 1954

    • OPTIMIZATION METHODS OF OPTICAL SIGNALS BY THE CRITERION OF THE MINIMUM OF THE PRESENTED BASE 

      Odegov, N.A.; Bahachuk, D.H.; Одегов, М.А.; Багачук, Д.Г.; Одегов, Н.А.; Багачук, Д.Г. (ОНАЗ ім. О.С. Попова, 2018)
      The article is devoted to the development of methods for improving the spectral efficiency of fiber-optic transmission systems in terms of optimizing signals in a narrowband channel. The channel width is conventionally ...
    • OUT-OF-BAND CHARACTERISTICS OF THE MICROSTRIP ANTENNA 

      Siden, S.V.; Сідень, C.В.; Сидень, С.В. (ОНАЗ ім. О.С. Попова, 2018)
      The development of wireless communication systems is accompanied by both the development of new frequency ranges and the simultaneous use of one band of frequencies by several radio services. This fact leads to an increase ...
    • THE OUTPUT CHANNAL ENERGY MAXIMIZATION FOR CODED SEQUENCES TRANSMISSION 

      Кисель, В.А.; Игошин, А.А.; Кісіль, В.А.; Ігошин, О.А.; Kisel, V.A.; Igoshin, A.A. (УНДІРТ, 1995)
      The paper deals with the design of finite duration basis signals, which maximize the power spectrum content and the autput of communication channal, whan used in coded sequences. The signal is a solution of an integral ...
    • PARAMETRIC PETRI NET MODEL FOR ETHERNET PERFOMANCE AND QOS EVALUATION 

      Zaitsev, D.A.; Зайцев, Д.А.; Зайцев, Д.А.; Shmeleva, T.R.; Шмельова, Т.Р.; Шмелёва, Т.Р. (University of Karlsruhe, 2009)
      Parametric model of switched Ethernet in the form of a colored Petri net is presented. The model is invariant regarding the structure of the network; it has fixed number of nodes for any given tree-like network. Special ...
    • PBB EFFICIENCY EVALUATION VIA COLORED PETRI NET MODELS 

      Vorobiyenko, P.P.; Воробієнко, П.П.; Воробиенко, П.П.; Guliaiev, K.D.; Гуляєв, К.Д.; Гуляев, К.Д.; Zaitsev, D.A.; Зайцев, Д.А.; Зайцев, Д.А.; Shmeleva, T.R.; Шмельова, Т.Р.; Шмелёва, Т.Р. (Scientific Research Publishing Inc., 2010)
      Basic components of Provider Backbone Bridge (PBB) network models were constructed: PBB interior switch, PBB edge switch—with the dynamic filling up of address tables. The modeling of PBB networks was implemented. The ...
    • PERFORMANCE EVALUATION OF COMMUNICATION GRIDS WITH CUT-THROUGH SWITCHING NODES 

      Shmeleva, T.R.; Шмелёва, Т.Р.; Шмельова, Т.Р. (ОНАЗ ім. О.С. Попова, 2018)
      For the performance evaluation of communication and computing rectangular grids of arbitrary size with a node that implements the cut-through packet switching technology, a model is constructed in the form of a reenterable ...
    • PRINCIPLES OF TRAINING AND PRODUCTION ACTIVITIES OF EDUCATIONAL ORGANIZATIONS 

      Станкевич, І.В.; Станкевич, И.В.; Stankevich, I.V. (Agenda Publishing House, United Kingdom, 2016)
      In this paper was analyzed the existing approaches to understanding today management principles. Based on the summarization of sources, both legislative and popular science author defines and systematization of general and ...
    • PROBLEM QUESTIONS OF TV COLORIMETRY 

      Gofaizen, O.V.; Гофайзен, О.В.; Гофайзен, О.В.; Pilyavskii, V.V.; Пилявський, В.В.; Пилявский, В.В. (ОНАЗ ім. О.С. Попова, 2014)
      The analysis of problematic issues that have arisen in the process of drafting the ITU Handbook "TV colorimetry" and the ITU Report "Elements of TV colorimetry" conducted by WP 6C ITU-R, in which the authors are actively ...
    • PROBLEMS OF INFRASTRUCTURE FUNCTIONING OF THE ELECTRONIC DIGITAL SIGNATURE IN UKRAINE 

      Kaluhina, N.A.; Sakun, A.O.; Калугіна; Сакун, Г.О.; Калугина, Н.А.; Сакун, А.А. (ОНАЗ ім. О.С. Попова, 2018)
      One of the key aspects for forming the information society and universal access to network resources is information security as the most important condition of documents and information transmission by means of information ...
    • QOS CHARACTERISTICS PROVIDING IN NETWORK TRAFFIC BALANCING 

      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. (Anhalt University of Applied Sciences, 2017)
      Solving of the problem of quality characteristics providing QoS in MPLS-TE network with bypass routes of traffic transmission is proposed. By the nodal tensor method the value of packet delay along a traffic transmission ...
    • QUALITY DEGRADATION DUE TO QUADARATURE IMPAIRMENTS IN DVB-T/ DVB-T2 SYSTEMS 

      Баляр, В.Б.; Balyar, V.B. (ОНАЗ ім. О.С. Попова, 2013)
      In article study results in direction of quality degradation estimation during DVB-T/ DVB-T2 operation due to quadrature impairments with usage of parameters defined in DSTU ETSI TR 101 290. Obtained estimations will be ...
    • QUALITY INDICATORS FOR REPRODUCING FINE DETAILS OF DIGITAL IMAGES WITH TRESHOLD LIMITING OF SPECTRAL COMPONENTS 

      Osharovska, O.V.; Ошаровська, О.В.; Ошаровская, О.В.; Patlayenko, М.О.; Патлаєнко, М.О.; Патлаєнко, Н.О.; Samus, N.S.; Самусь, Н.С.; Самусь, Н.С. (Одеський національний університет імені І.І. Мечникова, 2018)
      The article considers the effect of compression of the information stream on high-definition image quality image parameters on the receiving side. In order to assess objectively the quality of the reconstructed images, two ...
    • QUANTUM FIELD MODEL OF DATA TRANSFER IN TELECOMMUNICATION NETWORK 

      Tihonova, E.V.; Тихонова, О.В.; Тихонова, Е.В. (ОНАЗ ім. О.С. Попова, 2015)
      This paper focuses researches on telecommunications traffic engineering. A data-transfer math model introduced for the open transport network based on quantum field fundamentals. The four types of data transaction quanta ...
    • QUANTUM SECURE TELECOMMUNICATION SYSTEMS 

      Korchenko, O.G.; Корченко, О.Г.; Корченко, А.Г.; Vorobiyenko, P.P.; Воробієнко, П.П.; Воробиенко, П.П.; Lutskiy, M.G.; Луцький, М.Г.; Луцкий, М.Г.; Vasiliu, E.V.; Васіліу, Є.В.; Василиу, Е.В.; Gnatyuk, S.O.; Гнатюк, С.О.; Гнатюк, С.О. (Institute of Electrical and Electronics Engineers, 2012)
      The main features of information security are confidentiality, integrity and availability. Only providing these all gives availability for development secure telecommunication systems. Confidentiality is the basic feature ...
    • RADIATION RESISTANT BJT-BASED TEMPERATURE SENSOR FOR IoT SENSOR NODES 

      Vikulin, I.M.; Вікулін, І.М.; Викулин, И.М.; Gorbachev, V.E.; Горбачов, В.Е.; Горбачев, В.Э.; Gorbacheva, A.V.; Горбачова, А.В.; Горбачева, А.В.; Krasova, V.A.; Красова, В.А.; Красова, В.А.; Polakov, S.N.; Поляков, С.М.; Поляков, С.Н. (Institute of Electrical and Electronics Engineers, 2018)
      The possibility of using a BJT with linear transfer function as a radiation resistant temperature sensor for low power IoT sensor nodes is experimentally investigated. For this reason, the effect of neutron, electron and ...
    • RESEARCH METHODS FOR INCREASING THE SECURITY OF INFORMATION TRANSFER BASED ON TIMER SIGNALS 

      Korchynskyi, V.V; Корчинський, В.В.; Корчинский, В.В.; Kildishev, V.I.; Кільдішев, В.Й.; Кильдишев, В.Й.; Holev, D.V.; Голев, Д.В.; Голев, Д.В.; Berdnikov, О.M.; Бердніков, О.М.; Бердников, А.М. (ОНАЗ ім. О.С. Попова, 2018)
      Protection of information from unauthorized access is the most important task that is assigned to modern confidential communication systems. The analysis of the risks of violating the information confidentiality justifies ...
    • RESEARCH OF FEATURES OF KNOWLEDGE MANAGEMENT TECHNOLOGY TO IMPROVE THE EFFICIENCY OF AN ENTERPRISE 

      Petruchek, V.V.; Bubentsova, L.V.; Петручек, В.В.; Бубенцова, Л.В. (ОНАЗ ім. О.С. Попова, 2014)
      Features of the technology of knowledge management with the aim of creating the conditions in the company in which his IT infrastructure will serve as a powerful innovative resource are considered in this work. Рассмотрены ...
    • RESEARCH OF POSSIBILITIES FOR IMPROVING THE EFFIENCY OF PERFORMANCE OF WIRELESS ACCESS NETWORKS BY MULTIPATH CHANNELS 

      Ovcharenko, I.H.; Fleyta, Yu.V.; Овчаренко, І.Х.; Флейта, Ю.В.; Овчаренко, И.Х.; Флейта, Ю.В. (ОНАЗ ім. О.С. Попова, 2014)
      The object of research carried out in this work is to examine the opportunities for further improvement and development of wireless technology to increase the performance of the wireless network. A comparative analysis of ...
    • THE RESULTANT IMAGE QUALITY IN THE LIGHT-TO-LIGHT VIDEO PATH OF INFOCOMMUNICATION APPLICATIONS 

      Гофайзен, О.В.; Gofaizen, O.V. (ОНАЗ ім. О.С. Попова, 2014)
      An analysis of the problem of image quality assessment and management in light-to-light video transmission path of infocommunication applications is presented. The possibilities for further image quality enhancement and ...
    • 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 ...