Now showing items 2-21 of 2204

    • AB INITIO MODELING OF THERMODYNAMICS OF A FRUIT TREE FLOWER:THE FIRST STAGE OF THE MODEL 

      Chepok, A.O.; Yevtushenko, N.I.; Чепок, А.О.; Евтушенко, Н.И. (Хмельницький національний університет, 2017)
      A bionic model of thermodinamics processes in flowers of fruit trees is proposed. This model takes into account a number of physical and morfological properties of fruit tree flowers and some environmantal factors. On the ...
    • ABOUT EXPEDIENCY OF USE OF THE REEMISSION OF PHOTONS FOR INCREASING LIGHT INTENSITY OF MULTYLAYER LEDS THAT CAN BE EXPOSED TO RADIATION 

      Irkha, V.I.; Ірха, В.І.; Ирха, В.И.; Gorbachev, V.E.; Горбачов, В.Е.; Горбачев, В.Э. (Національний університет "Львівська політехніка", 2010)
      On the basis of the obtained experimental regular dependences the probable causes of the degradation of emission of multilayer GaAlAs-LEDs after gamma irradiation are considered.
    • ABOUT THE TRANSFORMATION OF THE ORGANIZATIONAL MANAGEMENT STRUCTURE OF ENTERPRISES 

      Orlov, V.M.; Obodovskyi, Yu.V.; Орлов, В.М.; Ободовський, Ю.В.; Орлов, В.Н.; Ободовский, Ю.В. (ОНАЗ ім. О.С. Попова, 2018)
      The article contains a theoretical analysis of the content of the organizational structure of management concept. It is shown that the structure of each enterprise is unique, but, a considerable variety of structures ...
    • ACTIVE FILTER FOR OPTIMUM NONCOHERENT DEMODULATION OF CONTINUOUS PHASE FREQUENCY MODULATION SIGNALS 

      Banket, V.L.; Manakov, S.Yu.; Банкет, В.Л.; Манаков, С.Ю. (ОНАЗ ім. О.С. Попова, 2016)
      In article the algorithm and structure of the active filter-demodulator for continuous phase frequency modulation signals are developed. В статті розроблені алгоритм та структура активного фільтра-демодулятора сигналів ...
    • ADAPTIVE DECOMPOSION OF TV IMAGES 

      Gofaizen, O.V.; Гофайзен, О.В.; Гофайзен, О.В.; Osharovska, O.V.; Ошаровська, О.В.; Ошаровская, О.В.; Patlayenko, M.O.; Патлаєнко, М.О.; Патлаенко, Н.А.; Pyliavskyi, V.V.; Пілявський, В.В.; Пилявский, В.В. (UkrMiCo, Odessa, 2017)
      The paper presents the results of modeling adaptive decomposition for ultra-high definition television, which provides image compression without subjective deterioration of quality. The decomposition of the images was ...
    • ANALYSIS AND COMPARISON OF CONNECTIVITY AND GEOMETRY MESH COMPRESSION IN 3D OBJECTS 

      Samus, N.S.; Самусь, Н.С. (ОНАЗ ім. О.С. Попова, 2017)
      In this article the different connectivity and geometry compression algorithms of 3D objects were analyzed and compared. Mesh connectivity is completely unknown to the encoder before the compression. Face Fixer, Edgebreaker ...
    • ANALYSIS OF EQUIVALENT APERTURE OF CURVILINEAR ANTENNA ARRAYS 

      Protsenko, M.B.; Iaremenko, A.A.; Проценко, М.Б.; Яременко, А.А. (ОНАЗ ім. О.С. Попова, 2014)
      The article presents the results of the analysis of equivalent aperture of curvilinear antenna arrays on the basis of the obtained mathematical models. The equivalent aperture of the curvilinear antenna array is a projection ...
    • ANALYSIS OF SQUARE COMMUNICATION GRIDS VIA INFINITE PETRI NETS* 

      Shmeleva, T.R.; Zaytcev, D.A.; Zaytcev, I.D.; Шмелева, Т.Р.; Зайцев, Д.А.; Зайцев, И.Д.; Шмельова, Т.Р.; Зайцев, Д.А.; Зайцев, І.Д. (ОНАЗ ім. О.С. Попова, 2009)
      A technique of the linear invariants calculation for infinite Petri nets with the regular structure was presented and studied on the example of square communication grids of an arbitrary size. Linear systems of equations ...
    • THE APPLICABILITY OF PID-CONTROLLERS TO THE LOUDSPEAKERSWITH AN ELECTROMECHANICAL FEEDBACK 

      Сулима, Н.Н.; Суліма, М.М.; Sulima, N.N. (ОНАЗ ім. О.С. Попова, 2013)
      In this paper, a preliminary analysis of the possibilities of application of PID controllers for management under coverage loudspeaker electromechanical feedback (MFB). It is shown that for certain classes of MFB use PID ...
    • APPLICATION OF DIFFERENT KINDS OF APPROXIMATION IN SIGNALS RESTORATION 

      Стрелковская, И.В.; Луцик, Е.; Паскаленко, С.А.; Стрелковська, І.В.; Луцик, О.; Паскаленко, С.А.; Strelkovskaya, I.V.; Lysiuk, E.; Paskalenko, S.A. (IEEEPIC S&T 2015 Харьков, 2016)
      It is proposed the method of continuous signals restoration by different kinds of approximation: Lagrange polynomial, Kotelnikov interpolation series, linear and cubic splines, Haar wavelet and Kotelnikov-Shannon wavelet. ...
    • APPROXIMATION OF SELLF-SIMIAR TRAFFIC BY SPLINE-FUNCTIONS 

      Стрелковская, И.В.; Соловская, И.Н.; Северин, Н.В.; Паскаленко, С.А.; Стрелковська, І.В.; Соловська, І.М.; Северин, М.В.; Паскаленко, С.А.; Strelkovskaya, I.V.; Solovskaya, I.N.; Severin, N.V.; Paskalenko, S.A. (Львовский политехнический национальный университет, 2016)
      Modeling of self-similar traffic is performed for the queuing system of G/M/1/K type using Weibull distribution. To study the self-similar traffic the simulation model is developed by using SIMULINK software package in ...
    • ASSOCIATIVE RELATIONS IN THE ASSESMENT OF TV IMAGES 

      Gofaizen, O.V.; Гофайзен, О.В.; Гофайзен, О.В.; Osharovska, O.V.; Ошаровська, О.В.; Ошаровская, О.В.; Patlayenko, M.O.; Патлаєнко, М.О.; Патлаенко, Н.О.; Pyliavskyi, V.V.; Пілявський, В.В.; Пилявский, В.В. (Белорусский государственный университет информатики и радиоэлектроники, 2017)
      With the creation and international standardization HDTV and UHDTV systems becomes an actual task of specification test signals to be used in the construction and maintenance video path and equipment of this systems. In ...
    • BROADBAND CALCULATOR.ONLINE: AUTOMATED SYSTEM OF CHOOSING THE MOST PROMISING SOLUTION FOR BUILDING BROADBAND ACCESS NETWORKS 

      Kaptur, V.A.; Каптур, В.А.; Каптур, В.А. (ОНАЗ ім. О.С. Попова, 2018)
      Session on policies and regulatory methods for broadband deployment and broadband access technologies Geneva, Monday, 17 September 2018
    • «BROADBAND CALCULATOR» – АВТОМАТИЗИРОВАННАЯ СИСТЕМА ВЫБОРА НАИБОЛЕЕ ПЕРСПЕКТИВНОГО РЕШЕНИЯ ДЛЯ ПОСТРОЕНИЯ СЕТЕЙ ШИРОКОПОЛОСНОГО ДОСТУПА 

      Добровольский, Е.В.; Добровольський, Є.В.; Dobrovolskyi, Ye.V.; Каптур, В.А.; Каптур, В.А.; Kaptur, V.A.; Квятковский, А.В.; Квятковський, А.В.; Kviatkovskyi, A.V. (ОНАЗ ім. О.С. Попова, 2017)
      Приведено описание автоматизированной системы «BroadBand Calculator», представляет собой универсальную платформу, позволяющую пользователям производить детализированные расчёты для собственных проектов по развитию ШПД в ...
    • CENTRALIZED SYSTEM OF HTTP-TRAFFIC FILTRATION 

      Kaptur, V.A.; Каптур, В.А. (ОНАЗ ім. О.С. Попова, 2010)
      The basic construction principles of the centralized system of http-traffic filtration based on proxy-server are proposed. The possible options for redirecting of http-traffic to the centralized filtration system are ...
    • CLASSIFICATION OF THE METHODS OF EAVESDROPPING AND DATA CORRUPTION IN QUANTUM CRYPTOSYSTEM 

      Limar, I.V.; Лімарь, І.В.; Лимарь, И.В.; Vasiliu, E.V.; Васіліу, Е.В.; Василиу, Е.В.; Kumysh, V.Yu.; Кумиш, В.Ю.; Кумиш, В.Ю. (ОНАЗ ім. О.С. Попова, 2018)
      The new extended classification of the attacks on quantum protocols and quantum cryptosystems is proposed. The classification takes into account the newest data concerning the attacks on the equipment for quantum key ...
    • COGNITIVE MONITORING IN AN INFORMATION AND COMMUNICATION NETWORK OPERATION SYSTEM 

      Nikityuk, L.A.; Нікітюк, Л.А.; Никитюк, Л.А. (ОНАЗ ім. О.С. Попова, 2018)
      A method for increasing the functionality of existing types of monitoring used in modern information and communication networks based on the use of cognitive technologies is proposed. Modern cognitive technologies are ...
    • COHERENT DETECTION OF TWO-DIMENSIONAL DIGITAL MODULATION SIGNALS 

      Оryabinskaya, О.А.; Rozenvasser, D.M.; Орябінська, О.О.; Розенвассер, Д.М.; Орябинская, О.А.; Розенвассер, Д.М. (ОНАЗ ім. О.С. Попова, 2018)
      Two-dimensional digital modulations require coherent detection to eliminate phase uncertainty. The main problem is that it is necessary to exactly match the frequencies and initial phases of the carrier and reference ...
    • COLOR SPACES OF VIDEO SEQUENCES DIGITAL CODING SYSTEMS 

      Gofaizen, O.V.; Pilyavskiy, V.V.; Гофайзен, О.В.; Пилявский, В.В.; Гофайзен, О.В.; Пилявський, В.В. (ОНАЗ ім. О.С. Попова, 2016)
      In the work it is built generalized description and comparison of color spaces defined by standards for digital encoding of video sequences MPEG-2 Video, MPEG-4 Visual, MPEG-4 AVC and MPEG-H HEVC taking into account the ...
    • COLORED PETRI NET MODELS OF NETWORKS, GRIDS, AND CLOUDS: CASE STUDY FOR PROVIDER BACKBONE BRIDGE 

      Zaitsev, D.A.; Зайцев, Д.А.; Зайцев, Д.А.; Shmeleva, T.R.; Шмельова, Т.Р.; Шмелёва, Т.Р.; Sleptsov, A.I.; Слепцов, А.І.; Слепцов, А.И. (ОНАЗ ім. О.С. Попова, 2018)
      26th Telecommunications Forum TELFOR 2018