Просмотр Кафедра загальної фізики по типу "Article"
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Application of a modified evolutionary algorithm for the optimization of data acquisitionto improve the accuracy of a video-polarimetric system
(Society of Photo-Optical Instrumentation Engineers, 2015)The use of the polarimetry techniques for display and study of biological tissues has gained increasing interest in recent years. This interest is related mainly to the non-invasiveness, relatively low cost, and ease of ... -
Application of digital image processing methods for obtaining contours of objects on ultrasound images of the hip joint
(Lublin University of Technology, 2021)In this work, the problems of research of ultrasonic images of joints are formulated. It is that for early diagnosis of developmental disorders of the hip joints needs to take frequent pictures, and the least harmful to ... -
Contouring of microcapillary images based on sharpening to one pixel of boundary curves
(Society of Photographic Instrumentation Engineers, 2017)The paper presents a new sharpening method that can be applied for the low-contrast medical images as well as general edge detection. The method provides more reliable diagnosis of the vascular system based on image ... -
Development of an image segmentation model based on a convolutional neural network
(Українська Державна Академія залізничного транспорту; Приватне підприємство "Технологічний Центр", 2021)This paper has considered a model of image segmentation using convolutional neural networks and studied the process efficiency based on models involving training the deep layers of convolutional neural networks. There are ... -
Device to determine the level of peripheral blood circulation and saturation
(Society of Photo-Optical Instrumentation Engineers, 2016)The paper evaluated the diagnostic value of laser photoplethysmography when examining patients with chronic lower limb ischemia. A statistical analysis of the research results was made, and diagrams of relationship between ... -
Electronic structure and atomic structure peculiarities of isomorphic modified zinc diphosphates
(Scientific and Technological Corporation “Institute for Single Crystals”, 2014)Effects of partial substitution of Zn by Mn on the electronic and atomic structure of diphosphates Zn2–xMnxP2O7*5H2O (x=0.0, 0.7) have been studied out by X-ray photoelectron spectroscopy, IR spectroscopy, NMR and ... -
Experimental investigations of the amplitude-frequency meter of the velocity flowing environment
(Society of Photo-Optical Instrumentation Engineers, 2018)The ultrasonic method for measuring the flow rate of flowing environment based on the use of the amplitude-frequency modulation scheme is presented. The mathematical model of the ultrasonic converter of the flowing environment ... -
Experimental study of natural gas humidity control device
(Lublin University of Technology, 2020)The means of measuring humidity based on the use of the ultrahigh frequency method have been recently gaining widespread use, because of its simple, robust construction and high measuring accuracy. We used the advanced ... -
First-principles study of electronic, atomic structures, phonon spectra and dielectric properties of calcium and cadmium apatites
(Scientific and Technological Corporation “Institute for Single Crystals”, 2015)Phonon densities of states, dielectric constants, the Born effective charges, interatomic force constants of stoichiometric apatites Me10(PO4)6X2, where Me = Ca or Cd and X = F, CI, Br, OH, were calculated in the framework ... -
Improving a model of object recognition in images based on a convolutional neural network
(Українська Державна Академія залізничного транспорту; Приватне підприємство "Технологічний Центр", 2021) -
Interaction of low-energy protons with aluminum surface
(Національний науковий центр "Харківський фізико-технічний інститут", 2019)The article presents the results of researches on the protons interaction with energy of 260 eV with a surface of aluminum foil at the temperature of 300 °C, ion current density of ~ 1.5 mA/cm2 with an exposure of 11 hours. ... -
Laser photoplethysmography in integrated evaluation of collateral circulation of lower extremities
(Society of Photo-Optical Instrumentation Engineers, 2013)The paper evaluated the diagnostic value of laser photoplethysmography when examining patients with chronic lower limb ischemia. A statistical analysis of the research results was made, and diagrams of relationship between ... -
Laser photoplethysmography in integrated evaluation of collateral circulation of lower extremities
(Society of Photo-Optical Instrumentation Engineers, 2015)The paper evaluated the diagnostic value of laser photoplethysmography when examining patients with chronic lower limb ischemia. A statistical analysis of the research results was made, and diagrams of relationship between ... -
Modeling the multichannel systems of a goods delivery provided by the unmanned aerial vehicles
(Institute of Electrical and Electronics Engineers; Society of Photographic Instrumentation Engineers, 2019) -
Modelling the one channel systems of a delivery of goods provided by unmanned aerial vehicles
(Committee of Electronics and Telecommunications of the Polish Academy of Sciences, 2020)In this article is revealed the systems of a good delivery witch implement unmanned aerial vehicles during providing the service. the one channel systems of a goods delivery are a goal of this research work. the close ... -
Monoimmittance priority encoder
(Society of Photo-Optical Instrumentation Engineers, 2018)The work is devoted to the development of an eight-digit priority encoder constructed on monoimmittance logic gates. The electric circuit on the properties of the long lines in the microwave range was developed. The ... -
Morphology and electronic structure of nanoscale powders of calcium hydroxyapatite
(BioMed Central Ltd ; Springer, 2015)Atomic force microscopy, infrared spectroscopy and NMR studied morphological and physicochemical properties of calcium hydroxyapatite powders produced by changing the temperature parameters of synthesis. Features of ... -
New ultrasound approaches to measuring material parameters
(Society of Photo-Optical Instrumentation Engineers, 2018)New approaches to ultrasonic measurements based on the use of the ultrasonic near-field zone and the resonance method are considered. the approaches can be used to measure such material parameters as density, thickness ... -
Physical properties of hybrid virus nonorganic complexes TMV-Au
(Open Access Text, 2018)Nanowires of different types were synthesed and investigation of their physical, physico-chemical properties and morphology by applying probe microscopy and atomic resolution spectroscopy has been carried out. It is confirmed ... -
Physical-mathematical model of optical radiation interaction with biological tissues
(Society of Photo-Optical Instrumentation Engineers, 2017)The physical-mathematical model of distribution of optical radiation in biological tissues was developed. It allows determining the change of intensity of optical radiation depending on such parameters as installation angle ...

