Now showing items 54-73 of 1654

    • NEW DIFFERENTIAL SIGNAL-CODE CONSTRUCTIONS WITH INTERNAL CPM SIGNALS 

      Banket, V.L.; Manakov, S.Yu.; Банкет, В.Л.; Манаков, С.Ю. (ОНАЗ ім. О.С. Попова, 2017)
      In the article the algorithm and programs for the exhaustive search of differential signalcode constructions (DSCC) for slow fading channels are developed. The generating polynomials of optimal codes are found. A methodology ...
    • NEW METHOD OF MOTIONAL FEEDBACK IN LOUDSPEAKERS 

      Суліма, М.М.; Сулима, Н.Н.; Sulima, N.N. (Хмельницький національний університет, 2014)
      Main features and differences of new method of motional feedback (MFB) were shown via linear simulation of closedbox loudspeakers. In this method the signal of MFB is summary electrical equivalent of acceleration, velocity ...
    • NORMATIVE SUPPORT OF EFFICIENT INTRODUCTION AND FURTHER PROGRESS OF DIGITAL TELEVISION AND MULTIMEDIA BROADCASTING TECHNOLOGIES 

      Gofaizen, O.V.; Balyar, V.B.; Pilyavskiy, V.V.; Гофайзен, О.В.; Баляр, В.Б.; Пилявский, В.В. (ОНАЗ ім. О.С. Попова, 2017)
      The transition to digital television broadcasting and further progress of digital systems and technologies in the terrestrial environment continues worldwide. An important part of this transition is the introduction of ...
    • 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 ...
    • 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 ...
    • PROBLEMS OF INFRASTRUCTURE FUNCTIONING OF THE ELECTRONIC DIGITAL SIGNATURE IN UKRAINE 

      Kalugina, N.A.; Sakun, A.A.; 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 ...
    • 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 ...
    • 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 ...
    • 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 ...
    • 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 ...
    • 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 ...
    • 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 THE USE OF BROADBAND SIGNAL IN INFOCOMMUNICATION NETWORKS 

      Мелещенко, А.А.; Флейта, Ю.В.; Meleshenko, A.A.; Fleyta, Yu.V. (ОНАЗ ім. О.С. Попова, 2014)
      Considered the principles of the info-communications networks architecture and their development prospects. Also consider the possibility of the use of spread spectrum signals in the info-communication networks. Рассмотрены ...
    • STUDY THE POSSIBILITIES OF INCREASING THE EFFICIENCY OF MANAGEMENT SYSTEM OF COMMUNICATION NETWORK 

      Shostak; Fleyta, Yu.V.; Шостак; Флейта, Ю.В. (ОНАЗ ім. О.С. Попова, 2014)
      The article deals with the functional and structural communication network control system using communication channels for data transmission about the state of the controlled processes. The analysis of its noise immunity ...
    • TDMA ИЛИ CDMA ? 

      Одинцов, Б.В.; Гуцалюк, А.К.; Сукачев, Э.А.; Одінцов, Б.В.; Гуцалюк, А.К.; Сукачов, Е.А.; Odintsov, B.V.; Gutshalyuk, A.K.; Sukachev, E.A. (УНДІРТ, 1995)
      В статье рассматриваются перспективные направления развития современных сетей подвижной радиотелефонной связи. У статті розглядаються перспективні напрямки розвитку сучасних мереж рухомого радіотелефонного зв'язку. The ...
    • TEMPERATURE INFLUENCE ON GEOMETRIC SIZES OF CORE ELEMENTS AND THE OPTICAL CABLE RELATIVE ELONGATION 

      Bondarenko, O.V.; Stepanov, D.M.; Бондаренко, О.В.; Степанов, Д.М.; Бондаренко, О.В.; Степанов, Д.Н. (ОНАЗ ім. О.С. Попова, 2017)
      The research of thermomechanical influence on geometrical sizes of core elements of an optical cable (ОC) design is done in the work. It allowed improving the expression for calculating the permissible relative cable ...