Перегляд за автором "Tkachenko, V."
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Публікація Design development and research of the mobile application interface with a given set of functions(ТОВ. «Друкарня Мадрид», 2023) Dorogaya, A.; Tkachenko, V.The topic "Design development and research of the mobile application interface with a given set of functions" is extremely relevant nowadays.Публікація Development of methods and models of complex of security technolo-gies for printing products(НПП ЧП «Технологический Центр», 2017) Vovk, A.; Biziuk, A.; Tkachenko, V.The object of research is the process of selecting elements that make up a complex of security printing technologies to counter the fabrication of printing product. The problem is caused by the development of reproductive and digital technology, which makes it possible to easily reproduce an unsecured original packaging or label. The analysis of existing technologies for describing the security level of a printing product against falsification with subsequent identification of its shortcomings is carried out. The application of the method of integral indicators for evaluating the security of a printing product against falsification is proposed. The peculiarity of the technique consists in determining the weigh coefficients taking into account 15 technological series to exclude the use of the same type of protective elements. The significance of each element in the integral evaluation is determined by the analysis of 500 labels (printed products). A further study is in refining of the proposed weight coefficients and development of an information support decision-making system for designers of secured printing products. Research results are recommendations for optimizing the choice of security complex.Публікація Features of colour reproduction on tinted materials by uv inkjet printing(ТОВ «Друкарня Мадрид», 2024) Chepurna, К.; Tkachenko, V.The demand for souvenir products is growing every year, facilitated by the emergence of new materials with non-standard surfaces that have different natures, textures, and colour.Публікація Noise Reducing in Speech Signals Using Wavelet Technology(ХНУРЭ, 2011) Romanyshyn, Y.; Tkachenko, V.In this paper the features of reducing of background noise in speech signals using discrete wavelet transforms with different wavelet bases, the analysis of choosing of different wavelet bases and decomposition levels of the signal are considered.