Now showing items 1-20 of 394

    • 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 ...
    • 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 ...
    • 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 ...
    • 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 ...
    • COMPARATIVE ANALYSIS OF SIGNALS RESTORATION BY DIFFERENT KINDS OF APPROXIMATION 

      Стрелковская, И.В.; Луцик, Е.; Золотухин, Р.В.; Стрелковська, І.В.; Луцик, О.; Золотухін, Р.В.; Strelkovskaya, I.V.; Lysiuk, E.; Zolotukhin, R.V. (2016)
      The comparative analysis of continuous signals restoration by different kinds of approximation is performed. The software product, allowing to define optimal method of different original signals restoration by Lagrange ...
    • COMPARISON OF METHODS FOR MULTIPATH ROUTING FOR TELECOMMUNICATION NETWORKS 

      Стрелковская, И.В.; Левченко, А.; Стрелковська, І.В.; Левченко, А.; Strelkovskaya, I.V.; Levchenko, A. (ОНАЗ ім. О.С. Попова, 2016)
      The work contains a comparison of the results of the use of different methods for multipath routing with alternate loading on network resources, Gallagher multipath routing and alternative solution - nodal tensor method ...
    • COMPENSATION OF CROSSTALK IN THE MULTI-BUNDLE DOMESTIC TELEPHONE CABLES 

      Оreshkov, V.І.; Орєшков, В.І.; Орешков, В.И. (ОНАЗ ім. О.С. Попова, 2017)
      Mathematical models of the «vectoring» crosstalk compensation system for TPP-50х2 and TPP-100х2 multi-bundle telephone cables are developed. Simplified calculation formulas for the total power of the far end crosstalk ...
    • COMPUTER SCIENCE AS THE MASTER KEY FOR TRANSDISCIPLINARY EDUCATION: FROM ONE"S PRACTICAL TEACHING EXPERIENCE 

      Chepok, A.O.; Yevtushenko, N.I.; Чепок, А.О.; Евтушенко, Н.И. (Хмельницький національний університет, 2017)
      На основе своего многолетнего опыта преподавания информатики, физики и математики, а также на основе успешной совместной работы в профильных классах средней школы, авторы высказывают свое суждение о трансдисциплинарном ...
    • CONSTRUCTION OF LTE-NETWORK FOR PRIMORSKIY REGION OF ODESSA 

      Яровенко, Е.А.; Царьов, Р.Ю.; Яровенко, Е.А.; Царёв, Р.Ю.; Yarovenko, E.A.; Tsaryov, R.Yu. (ОНАЗ ім. О.С. Попова, 2014)
      In this work is given the evaluation of real perspective of technology 4G in Ukraine and is done an implementation project of test segment of LTE-network for Primorskiy region of Odessa.Also in this project is given the ...
    • DEVELOPMENT AND PROOF-OF-CONCEPT IMPLEMENTATION OF AN SDN-APPLICATION 

      Стрелковская, И.В.; Котельникова, Н.О.; Стрелковська, І.В.; Котельникова, Н.О.; Strelkovskaya, I.V.; Kotelnikova, N.O. (ОНАЗ ім. О.С. Попова, 2016)
      Software-Defined Networking (SDN) is a brand new concept for a dynamic and scalable network, that separates the control and data plane logic of traditional network devices, and create a flexible manageable architecture. ...
    • DIAGONALIZATION OF THE DIFFERENTIAL OPERATOR MATRIX IN THE CASE OF THE MULTIDIMENSIONAL CIRCUITS 

      Dmitrieva, I.Yu.; Ivanitckiy, A.M. (ОНАЗ ім. О.С. Попова, 2009)
      In the present paper we propose the explicit mathematical method that is assumed to be quite simple from the engineering and applied aspects and that allows to diagonalize an n-dimensional system of the arbitrary partial ...
    • DYNAMIC SERVICE MARKET ASSESSMENT ON THE BASIS OF WIRELESS TECHNOLOGIES IN ODESSA REGION 

      Karelin, Y.V.; Nikityuk, L.A.; Карелин, Я.В.; Никитюк, Л.А.; Карелін, Я.В.; Нікітюк, Л.А. (ОНАЗ ім. О.С. Попова, 2014)
      The object of research is the wireless service market in Odessa region. During the work dynamic of service market was investigated. It was performed an analysis of main providers, services and future development of the ...
    • EFFECT OF OPTSCAL CHANNAL BANDWIDTH ON THE IMMUNSTI OF NRZ AND RZ LINEAR CODES 

      Breskin, V.A.; Mazur, A.D.; Rozenvasser, D.M.; Брескин, В.А.; Мазур, А.Д.; Розенвассер, Д.М.; Брескін, В.О.; Мазур, А.Д.; Розенвассер, Д.М. (TCSET, Lviv-Slavske, Ukraine, 2012)
      A comparative assessment of the required bandwidth of the optical channel of FOTS using NRZ and RZ linear codes is given in this paper.
    • EFFICIENCY ESTIMATION OF COMPUTING GRIDS WITH VARIOUS TRAFFIC TYPES 

      Shmeleva, T.R.; Шмельова, Т.Р.; Шмелёва, Т.Р. (ОНАЗ ім. О.С. Попова, 2017)
      For the efficiency evaluation of computing grids with different types of traffic, reenterable colored Petri nets are suggested. The principles of constructing models in the form of reenterable colored Petri nets are ...
    • EFFICIENCY EVALUATION OF THE "VECTORING" SYSTEM APPLICATION ON THE CONNECTING LINES DURING MODERNIZATION OF THE RURAL TELEPHONE NETWORK 

      Оreshkov, V.І.; Орєшков, В.І.; Орешков, В.И. (ОНАЗ ім. О.С. Попова, 2018)
      The urgency of the "digital divide" problem is a global problem. That the problem is in particular and acute in Ukraine, is described in the article. It is proposed to use VDSL2 technology for modernization of the rural ...
    • ELABORATION OF A SOFTWARE AND LAB ENVIRONMENT FOR IN-DEPTH OWD ANALYSIS ON WIRELESS LINKS USING LTEST 

      Nikityuk, L.A.; Siemens, E.; Нікітюк, Л.А.; Сіменс, Е.; Никитюк, Л.А.; Сименс, Е. (ОНАЗ ім. О.С. Попова, 2014)
      : Research of optimal transfer protocol for organization of a reliable data transfer between serial devices for GPRS/EDGE and UMTS networks with subsequent using it in elastic jitter buffer algorithm. The main criterion ...
    • ESTIMATING THE SERVICE WAITING PROBABILITY IN A SINGLE-CHANNEL SYSTEM WITH SELF-SIMILAR TRAFFIC 

      Lozhkovskyi, A.G.; Levenberg, E.V.; Ложковський, А.Г.; Левенберг, Є.В.; Ложковский, А.Г.; Левенберг, Е.В. (ОНАЗ ім. О.С. Попова, 2018)
      Estimation of the service quality characteristics in a single-channel system with queue for the packet network is often reduced to the determination of the Hurst exponent for self-similar traffic, after which using the ...
    • ESTIMATION OF QoS CHARACTERISTICS OF SELF-SIMILAR TRAFFIC FOR THE Wв/M/1/infinity QUEUING SYSTEM 

      Strelkovskaya, I.V.; Siemens, E.; Solovskaya, I.N.; Fedotova, I.; Стрелковська, І.В.; Сіменс, Е.; Соловська, І.М.; Федотова, І.; Стрелковская, И.В.; Сименс, Е.; Соловская, И.Н.; Федотова, И. (ОНАЗ ім. О.С. Попова, 2018)
      The work considers the problem of Quality of Service (QoS) characteristics estimation for self-similar traffic serviced by a queuing system of the Wв/M/1/infinity type using the Weibull distribution. To solve this problem, ...
    • FORMALIZATION OF THE INFOCOMMUNICATION NETWORK ADAPTATION TASK WITHIN THE LIFE CYCLE AND THE GENERAL APPROACH TO ITS SOLUTION BASED ON GENETIC ALGORITHMS 

      Nikityuk, L.A.; Нікітюк, Л.А.; Никитюк, Л.А. (ОНАЗ ім. О.С. Попова, 2017)
      Infocommunication network on formal grounds is a complex system that functions in a disturbing environment, evolves over time and is characterized by non-stationary fault flow of its subsystems and elements. In this paper ...