Now showing items 1-20 of 2925

    • 3D IMAGE MESH ENTROPY CODING 

      Samus, N.S.; Osharovskaya, E.V.; Самусь, Н.С.; Ошаровська, О.В.; Самусь, Н.С.; Ошаровская, Е.В. (ОНАЗ ім. О.С. Попова, 2014)
      In this article we have introduced a compressed representation for triangular meshes. Because proximity in this vertex spanning tree often implies geometric proximity of the corresponding vertices, we can use ancestors ...
    • 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 ...
    • AN ADAPTIVE CONTROL SYSTEM OF TELECOMMUNICATION NETWORK RESOURCES BASED ON FUZZY LOGIC 

      Врублевський, А.Р.; Врублевский, А.Р.; Vrublevskyi, A.R.; Лісовий, І.П.; Лесовой, И.П.; Lesovoy, I.P.; Пилипенко, Г.В.; Пилипенко, Г.В.; Pylypenko, G.V. (ОНАЗ ім. О.С. Попова, 2019)
      In modern telecommunication systems and networks, causal relationships in the gnoseological (cognitive) plan are not clearly traceable, which leads to uncertainty when choosing or building a mathematical model due to ...
    • 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 ...
    • ALGORITHM FOR ESTIMATING AND CORRECTING MULTIPATH CHANNEL PARAMETERS FOR DEMODULATION OFDM SIGNALS 

      Іващенко, П.В.; Иващенко, П.В.; Ivaschenko, P.V.; Орябінська, О.О.; Орябинская, О.А.; Oryabinska, О.О. (ОНАЗ ім. О.С. Попова, 2019)
      OFDM signals form the basis of the radio interface of 4G mobile networks. Among the most well-known systems using OFDM signals, the LTE / LTE-Advanced, IEEE 802.11, IEEE 802.16 family, as well as DVB-T, DVB-T2 digital ...
    • 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 DESIGN FEATURES OF SCS ON OBJECTS WITH HARDEST ENVIRONMENTAL CONDITIONS 

      Сілкін, П.О.; Силкин, П.О.; Silkin, P.O.; Царьов, Р.Ю.; Царёв, Р.Ю.; Tsaryov, R.Yu. (ОНАЗ ім. О.С. Попова, 2019)
      The report is devoted to the analysis of design features of structured cabling systems on objects with hardest environmental conditions and suggestions for its modifications, which may lead to increasing of the system ...
    • 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 HIGH AVAILABILITY IN SOFTWARE-DEFINED NETWORKING 

      Стрелковська, І.В.; Стрелковская, И.В.; Strelkovska, I.V.; Вермсер, Д.; Вермсер, Д.; Wermser, D.; Білінська, О.В.; Билинская, О.В.; Bilinska, O.V. (ОНАЗ ім. О.С. Попова, 2017)
      The architecture of SDN was considered, for which were determined the logical structure and principles of functioning; The problem of estimating the characteristic of QoS, throughput and the probability of errors in the ...
    • ANALYSIS OF LTE-A NETWORK THROUGHPUT TAKING INTO ACCOUNT THE SPATIAL LOCATION OF MOBILE STATIONS 

      Сідень, С.В.; Сидень, С.В.; Siden, S.V.; Маковеєнко, Д.О.; Маковеенко, Д.О.; Makoveenko, D.O.; Пилявський, В.В.; Пилявский, В.В.; Pilyavskiy, V.V. (ОНАЗ ім. О.С. Попова, 2020)
      The use of adaptive antenna arrays (AAR) to increase the throughput in LTE-A mobile networks is proposed and the benefits of its use compared to the standard type of base station antenna are analyzed. The simulation of ...
    • ANALYSIS OF NON-STATIONARY QUA SI-PERIODIC INTERNET TRAFFIC BY THE METHOD OF INSTANT SPECTRA 

      Одегов, М.А.; Одегов, Н.А.; Odegov, M.A.; Багачук, Д.Г.; Багачук, Д.Г.; Bahachuk, D.H.; Гордієнко, О.О.; Гордиенко, А.А.; Hordiienko, О.О. (ОНАЗ ім. О.С. Попова, 2019)
      At large aggregation points, traffic growth processes are observed, which can be modeled by non-stationary quasi-periodic functions. A formal and informal analysis of traffic at a number of international aggregation points ...
    • ANALYSIS OF NONLINEAR EFFECTS IN FOTS WITH WAVELENGTH DIVISION MULTIPLEXING 

      Паламаренко, О.О.; Паламаренко, О.О.; Palamarenko, O.O.; Овчинніков, М.Д.; Овчинников, М.Д.; Ovchynnikov, M.D.; Решетнікова, О.С.; Решетникова, О.С.; Reshetnikova, O.S. (ОНАЗ ім. О.С. Попова, 2015)
      In this work nonlinear effects occurring in optical fiber transmission system with wavelength division multiplexing, given the examples of the most common effects, analyzed reasons of their origin, the possibility of ...
    • ANALYSIS OF OPENFLOW PROTOCOL 

      Селезньов, О.І.; Селезнёв, О.И.; Selezniov, O.I.; Шмельова, Т.Р.; Шмелёва, Т.Р.; Shmeleva, T.R. (ОНАЗ ім. О.С. Попова, 2015)
      Basic information about OpenFlow protocol is given. OpenFlow switch structure is considered. General principles of flow processing, such as sequential flow entries matching, with OpenFlow protocol appliance are described. ...
    • 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 ...
    • ANALYSIS OF THE MATHEMATICAL CONCEPTS AND DATA SCIENCE ALGORYTHMS, USED IN MASS SERVICE NETWORKS’ RESEARCH 

      Кулешова, В.В.; Кулешова, В.В.; Kuleshova, V.V.; Ложковський, А.Г.; Ложковский, А.Г.; Lozhkovskyi, A.G. (ОНАЗ ім. О.С. Попова, 2017)
      Nowadays, mass service networks are researched using a variety of methods. However, the results that have been achieved this far are intermediate ones, especially, in the case of multi-service telecommunication networks. ...
    • ANALYSIS OF THE REQUIREMENTS TO THE CREATION OF UNIFIED OPERATIONAL-DISPATCH ROOM OF EMERGENCY MEDICAL SERVICE 

      Ямнюк, Б.Я.; Ямнюк, Б.Я.; Yamniuk, B.Ya.; Розенвассер, Д.М.; Розенвассер, Д.М.; Rozenvasser, D.M. (ОНАЗ ім. О.С. Попова, 2019)
      The paper deals with the prerequisites for using information and communications technology (ICT) in Emergency medical services (EMS) due to all necessary requirements and represents all inventions and advantages.
    • 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 ...