Now showing items 183-202 of 6468

    • JPEG сжатие изображений с применением рекурсивного группового кодирования 

      Кожемякина, Н.В.; Лукин, В.В.; Пономаренко, Н.Н.; Мирошниченко, А.И. (ХАІ, 2015)
      Рассмотрена задача альтернативного кодирования квантованных коэффициентов дискретного косинусного преобразования (ДКП) в стандарте JPEG. Проведен сравнительный анализ эффективности JPEG и предлагаемой модификации при сжатии ...
    • Knowledge-oriented approach to the automation of the main pipeline complex 

      Golovan, K.V. (ХАІ, 2022)
      On the basis of the developed model for the functional knowledge acquiring, representing and processing the expert system for the dispatching level automated workstation of the ECP process control has been developed. ...
    • Light one engine aircraft wing airflow analysis 

      Qilin, Dai (2023)
      In this article, the group briefly introduced the requirements and development of the four-seater aircraft, and completed the design content required by the task through statistical analysis and calculation. Aiming at this ...
    • Linear algebra 

      Korolkov, K.Y. (ХАІ, 2006)
      Theoretical and practical questions connected with such important parts of the Higher Mathematics as Vector Algebra, and Analytic Geometry and Linear Algebra are considered. The material of these parts corresponds with ...
    • Linear continuous automatic control systems 

      Symonov, V.F. (ХАІ, 2008)
      Modern automatic control theory is presented for continuous linear stationary systems. Fundamental control principles and laws, mathematical descriptin and classification of systems are produced. The methods of stability, ...
    • Long-range passenger airplane. Winglet airflow analysis 

      Haoyu, Zhang (2023)
      The purpose of the work: the aim of the diploma project is to create a long-range passenger aircraft for 450 passengers, including the general views of the projected airplane, the determination of the takeoff mass and ...
    • Low SNR treshold in rapid estimators of complex sinusoidals 

      Djurovic, I.; Lukin, V.V. (ХАІ, 2016)
      A task of estimation of complex sinusoid frequency is considered. A particular but practically important case of low signal-to-noise ratio (SNR) is studied. The low SNR threshold, commonly overlooked in development of ...
    • Making Web-services fault-tolerant: methods and technics 

      Boyarchuk, A.; Kharchenko, V. (ХАІ, 2007)
      With emergent growing use of Internet, Web services become increasingly popular and their growth rate surpasses even the most optimistic predictions. Services are self-descriptive, self-contained, platform-independent and ...
    • Mask generator for orthogonal regular mesh 

      Sereda, V.; Ambrozhevich, M. (ХАІ, 2020)
      A SolidWorks applica-tion has been developed that allows for volumetric visualization. In the decisive program, the information about the presence of the volume mask is used as follows: the volume mask is excluded from the ...
    • Mass efficiency determination for shear joint 

      Fedotov, M.N.; Kapombe, F. (ХАИ, 2011)
      Formulae permitting to determine parameters of jointed members and fasteners influence to joint mass are given.
    • Mathematical description of imaging processes in ultra-wideband active aperture synthesis systems using stochastic sounding signals 

      Volosyuk, V.; Zhyla, S.; Pavlikov, V.; Tserne, E.; Sobkolov, A.; Shmatko, O.; Belousov, K. (ХАІ, 2021)
      Mathematical models of the fields of stochastic ultra-wideband signals that are necessary for solving problems of aperture synthesis of images using active radar methods are presented. The expediency of using V-transformations ...
    • Mathematical model of a vertical-axial wind motor in a viscous gas flow 

      Bobriakova, E.; Gundar, A.; Ivanov, S.; Krashanytsya, Y.; Rudyk, I.; Serbin, A.; Fedchenko, D. (ХАІ, 2022)
      The development of vertical axial wind turbines in Ukraine is in its infancy for many reasons: the lack of systematic theoretical and experimental studies of the aerodynamic characteristics of various schemes of wind ...
    • Mathematical model of PV module with pulse width modulation control 

      Jasim, A.M.; Shepetov, Y.A. (ХАИ, 2015)
      The paper describes a mathematical model of solar photovoltaic power plant with a PWM (Pulse Width Modulation) regulator matching between the PV arrays and loads. For controling of regukator which retains the power plant ...
    • Mathematical simulation of fuel burn schedule effect on airplane center-of-gravity position 

      Tsukanov, R.U. (ХАИ, 2016)
      Formulas to describe shape of fuel tanks arranged in wings, wing center section and fuselage are proposed on the base of wing shape analysis of real transport category airplanes. Methods of fuel burn sequence designation and ...
    • Maximum power point tracking method for subsatellite solar power working under partially shaded conditions 

      Jasim, A.M.; Shepetov, Y.A. (ХАИ, 2016)
      The objective of this work is to study the features of the Maximum Power Point Tracking (MPPT) for subsatellite solar power under partial shading condition of its panels. Subsatellite power system operates in parallel ...
    • Mechanics 

      Лунев, И.В.; Науменко, О.В. (ХАІ, 2004)
      In this textbook there are textual material of lectures, solved examples and problems on classical mechanics: kinematics and dynamics of translational and rotational motion, work and energy. This textbook is intended ...
    • Medical information systems: analysis of development and application experience 

      Syrotyuk, A.; Bokhan, K.; Oksuchenko, O.; Kharchenko, S. (ХАІ, 2008)
      Public Health is one of the main areas, where information technologies are intensively employed. Here we have reviewed and analyzed a number of foreign and native medical information systems (MIS), experience of ...
    • Medium-range passenger aircraft and in-air noise reduction study 

      Krishnakumar, Kalaivani Muthuramalingam (2023)
      The purpose of the work: The aim of this diploma project is to design a medium-range passenger aircraft with 120 passengers, including determining the take-off mass and geometric parameters in the three approximations, ...
    • Metal-casting processes 

      Knyazyev, M.K.; Sergeyev, S.V.; Boguslaev, O.V. (ХАІ, 2002)
      The fundamentals оf metal-casting processes are submitted. Тhе main casting methods and corresponding equipment are described. The problems of casting design, casting alloys and economics of casting processes are discussed. ...