Browsing Факультет Кібербезпеки, комп'ютерних і радіо технологій (до 2021 р.) by Title

Now showing items 1-20 of 993

    • 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.; Pyliavskyi, 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 ...

    • 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 ...

    • 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 ...

    • CHARACTERISTICS OF VIBRATOR ARRAYS DIRECTIVITY ON HARMONICS OF MAIN FREQUENCY 

      Цалієв, Т.А.; Цалиев, Т.А.; Tsaliev, Т.А.; Вакарчук, А.О.; Вакарчук, А.А.; Vakarchuk, А.О. (ОНАЗ ім. О.С. Попова, 2020)
      Antenna patterns representing dependences of the directivity factor (DF) on angular coordinates for arrays formed from Yagi-Uda aerials are considered and discussed. The results of computer modelling are based on the ...

    • COLOR SPACES OF VIDEO SEQUENCES DIGITAL CODING SYSTEMS 

      Gofaizen, O.V.; Pyliavskyi, 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 ...

    • COLOUR APPEARANCE METRIC FOR USE IN VIDEO APPLICATIONS 

      Gofaizen, O.V.; Pyliavskyi, V.V.; Гофайзен, О.В.; Пилявський, В.В.; Гофайзен, О.В.; Пилявский, В.В. (ОНАЗ ім. О.С. Попова, 2017)
      The article presents a description of the new CAM16 color appearance model developed by the CIE to replace the currently acting model CIECAM02, improved with respect to the correctness of the algorithm for its ...

    • COMPOSITE WALSCH-BARKER SEQUENCES 

      Banket, V.L.; Manakov, S.Yu.; Банкет, В.Л.; Манаков, С.Ю. (ОНАЗ ім. О.С. Попова, 2018)
      In the article methods of forming and processing of Walsh-Barker composite sequences are developed. The relevance of using Barker codes as generating sequences of a composite code intended for generating a synchronization ...

    • CONSTRUCTION OF EQUIDISTANT GRID IN UNIFORM COLOR SPACE, UNIFORMLY FILLING COLOR GAMUT TRANSMITTED AND REPRODUCED BY TELEVISION SYSTEMS 

      Гофайзен, О.В.; Пилявский, В.В.; Гофайзен, О.В.; Пилявський, В.В.; Gofaizen, O.V.; Pyliavskyi, V.V. (ОНАЗ ім. О.С. Попова, 2013)
      A method of constructing a grid of colors in uniform space that uniformly fills color gamut transmitted and reproduced by television systems. Coordinates and position of the mesh of colors in color spaces CAM02-USC, CIECAM02 ...

    • CONSTRUCTION OF POLAR COORDINATES GRID IN UNIFORM COLOR SPACE, UNIFORMLY FILLING AREA OF EXISTING COLORS, PARTICULARLY OF COLOR GAMUT TRANSMITTED AND REPRODUCED BY TELEVISION SYSTEMS 

      Гофайзен, О.В.; Гофайзен, О.В.; Gofaizen, O.V.; Пилявский, В.В.; Пілявський, В.В.; Pilyavskiy, V.V. (ОНАЗ ім. О.С. Попова, 2015)
      A method of constructing polar coordinates grid in uniform color space, uniformly filling area of existing colors, particularly of color gamut transmitted and reproduced by television systems, is proposed. Coordinates and ...

    • CONTROL OF BROADCASTING STATIONS AND THE BROADCASTING NODES IN CIVIL DEFENSE WARNING SYSTEM 

      Белоусов, С.И.; Швец, О.В.; Білоусов, С.І.; Швець, О.В.; Belousov, S.I.; Shvets, O.V. (ОНАЗ ім. О.С. Попова, 2013)
      The article deals with elements of hardware notification – Terminal Notification Means Control Unit (TNMCU) used to control stations broadcasting (SEM) and the Broadcasting Nodes (BN). В статті розглянуто елемент комплексу ...

    • DETERMINATION OF THE NECESSARY INDUCTOR CORE DIMENSIONS FOR SWITCHING ELECTRICAL ENERGY CONVERTERS 

      Kadatskyy, A.F.; Rusu, A.P.; Кадацький, А.Ф.; Русу, О.П.; Кадацкий, А.Ф.; Русу, А.П. (ОНАЗ ім. О.С. Попова, 2018)
      Each developer of switching electrical energy converters, sooner or later, faces the need to select or develop an inductor. However, currently, the method of choosing an inductor core for switching converters is very ...

    • DEVELOPMENT OF ITU HANDBOOK ON TV COLORIMETRY 

      Гофайзен, О.В.; Гофайзен, О.В.; Gofaizen, O.V. (ОНАЗ ім. О.С. Попова, 2012)
      Current progress report of development of ITU-R Handbook with indication of current updates and changes is presented. This report was provided on previous ITU-R Working Party 6C meeting.

    • DEVELOPMENT OF THE ALGORITHM OF VIDEO IMAGE ADAPTATION TO SPECTRAL POWER DISTRIBUTION OF ILLUMINANTS 

      Пилявський, В.В.; Пилявский, В.В.; Pyliavskyi, V.V. (PC TECHNOLOGY CENTER, Ukrainian State University of Railway Transport, 2019)
      Зроблено пропозиції щодо подальшого прогресу відеотехнологій, питання, які потрібно вирішити задля реалізації цього прогресу та можливі шляхи впровадження в реальні пристрої спеціального та загального застосування. ...

    • THE DYNAMICS OF THE INTERFERENCE SITUATION IN THE DOWNLINK DIRECTION OF THE MOBILE COMMUNICATION NETWORK WITH CDMA TECHNOLOGY 

      Сукачов, Е.О.; Сукачев, Э.А.; Sukachev, Е.А.; Вакарчук, А.О.; Вакарчук, А.А.; Vakarchuk, А.О. (ОНАЗ ім. О.С. Попова, 2019)
      The work is devoted to the investigation of inter-cell interference in the radio access network, provided that subscribers are moving in cells along the route indicated earlier. Very often, the trajectory of the movement ...

    • EFFICIENCY OF PARTLY ERRORS CORRECTION IN ARQ DTS BASED ON TIMER SIGNAL CONSTRUCTION 

      Захарченко, Н.В.; Хомич, С.В.; Белова, Ю.В.; Севастев, Е.А.; Захарченко, Н.В.; Хомич, С.В.; Сєвастєєв, Е.О.; Zakharchenko, N.V.; Homich, S.V.; Belova, Yu.V.; Sevasteev, E.A. (ОНАЗ ім. О.С. Попова, 2014)
      Розроблено метод передавання на базі систем з вирішальним зворотнім зв’язком та таймерних сигнальних конструкцій з корегуванням частини помилок інтервалу «хорошого» стану рівнянням якості. Визначені граничні умови його ...

    • EFFICIENCY STUDY OF ALGORITHMS APPLIED IN DVB-T/ DVB-T2 SYSTEMS AT PRESENCE OF PHASE NOISE 

      Баляр, В.Б.; Balyar, V.B. (ОНАЗ ім. О.С. Попова, 2014)
      In article study results in direction of efficiency estimation of algorithms used in DVB-T/ DVB-T2 systems at presence of phase noise with parameters defined in DSTU ETSI TR 101 290. Obtained estimations will be used as ...

    • FEATURES OF USE COLOR TRANSFORMATIONS IN MATLAB 

      Пилявський, В.В.; Пилявский, В.В.; Pyliavskyi, V.V. (Національний авіаційний університет, 2019)
      Modern progress of technology is integral with the use of visualization controls, show of the results of operation or diagnosis. The scope of application of visualization tools is the widest military applications to medical, ...

    • FOURIER ANALYSIS OF THE TEXTURE OF HIGH-DEFINITION IMAGES 

      Osharovskaya, E.V.; Ошаровська, О.В.; Ошаровская, Е.В.; Patlayenko, N.A.; Патлаєнко, М.О.; Патлаенко, Н.А.; Pyliavskyi, V.V.; Пілявський, В.В.; Пилявский, В.В. (Львівський національний університет ім. Івана Франка, 2018)
      This paper presents the results of measuring the signal-to-noise ratio at the boundary of object contours in highdefinition images after compression of the original digital stream based on the Fourier transform and the ...

    • FRACTAL CODING OF VIDEO SEQUENCES BY GENETIC ALGORITHM 

      Osharovskaya, E.V.; Patlaenko, N.A.; Ошаровська, О.В.; Патлаєнко, М.О.; Ошаровская, Е.В.; Патлаенко, Н.А. (ОНАЗ ім. О.С. Попова, 2017)
      The results of application of the modified genetic algorithm of fractal coding to still images and video sequences are presented. The dependence of the compression coefficient on the size of the rank block is obtained. ...

    • H-ФРАКТАЛЬНЫЕ АНТЕННЫ 

      Цалієв, Т.А.; Цалиев, Т.А.; Tsaliev, Т.А.; Король, Е.Р.; Король, Э.Р.; Korol, E.R. (ОНАЗ ім. О.С. Попова, 2014)
      В данной работе произведен анализ потенциала применения фрактальных антенн на примере антенных элементов H-фрактальной геометрии.