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1D Spin-Crossover Molecular Chain with Degenerate States
(AIP Publishing, 2021)A study of the one-dimensional molecular chain (MC) with two single-particle degenerate states is presented. We establish connection of the MC with the Ising model with phononic interactions and investigate properties of ... -
A Low-Cost Digital Pulsed Coherent Spectrometer for Investigation of NQR in Layered Semiconductor GaSe and InSe Crystals
(MDPI, 2020-11-25)A low-cost digital pulsed nuclear quadrupole resonance (NQR) radio-spectrometer is proposed, all main modules of digital processing and synthesis of which on the field-programmable gate array (FPGA) are implemented. The ... -
A portable digital multipulse NQR spectrometer for the study of the sensory properties, structure and defects in layered semiconductors
(IEEE, 2020-02-29)The structure of a digital pulse coherent NQR spectrometer with a minimum number of functional units for the investigation of GaSe and InSe layered semiconductor crystals is proposed. The feature of the proposed measuring ... -
Analytical Calculation of Frequency Spectrum and Group Velocities of Acoustic Phonons in Quasi-two-dimensional Nanostructures
(Sumy State University, 2020)Low-dimensional crystal structures that are attractive materials for the fabrication of modern nanoelectronic devices due to their unique physical properties are considered. Type of nanostructure (quantum well, quantum ... -
Analytical Calculation of Frequency Spectrum and Group Velocities of Acoustic Phonons in Quasi-two-dimensional Nanostructures // Journal of Nano- and Electronic Physics
(Physics and Chemistry of Solid State, 2022)Using the elastic continuum approach, an energy spectrum and spectral dependences of a group velocities of confined acoustic phonons in planar quasi-two-dimensional nanostructures (nanofilms) of hexagonal symmetry of the ... -
ARTIFICIAL SUBCONSCIOUS
(Чернівці: Черн. нац. ун-т, 2022-11-10)Here, in this work are presented a new part in computers world. And exactly, a new expression: Artificial Subconscious (ASU). Abbreviation sounds funny, but at the same time very memorable. Nowadays we could see how ... -
Balovsyak S.V., Derevyanchuk O.V., Derevianchuk Ya.V., Tomash V.V., Yarema S.V. Segmentation of railway transport images using fuzzy logic // Trans Motauto World. Vol. 7 (2022), Issue 3, pg(s) 122-125.
(2022)A prototype of a system for segmenting images of trains and wagons has been developed. Video cameras and specialized websites are used as the source of the original images. Median filtering of images and increase of their ... -
Balovsyak S.V., Derevyanchuk O.V., Kravchenko H.O., Kroitor O.P., Tomash V.V. Computer system for increasing the local contrast of railway transport images // Proceedings of SPIE. – 2021. – V. 12126. – P. 121261E1-7.
(2021)This article describes a computer system for increasing the local contrast of railway images obtained with digital video cameras. The local contrast of the images increases within the rectangular windows, for each of which ... -
Bond-random model of spin-crossover compounds: similarities and differences from spin glasses
(Springer Nature Switzerland AG, 2021)The Ising-like model of spin-crossover solid compounds with random bonds has been studied by the mean-field (infinite range) replica symmetry approximation. An exact solution to the problem is found and analyzed. Interestingly, ... -
Bond‑random model of spin‑crossover compounds: similarities and differences from spin glasses
(Springer Nature, 2022)The Ising-like model of spin-crossover solid compounds with random bonds has been studied by the mean-field (infinite range) replica symmetry approximation. An exact solution to the problem is found and analyzed. Interestingly, ... -
Car image recognition using convolutional neural network with efficient met architecture
(CEUR Workshop Proceedings, 2024-03-28) -
Clustering Students According to their Academic Achievement Using Fuzzy Logic
(2023)The software for clustering students according to their educational achievements using fuzzy logic was developed in Python using the Google Colab cloud service. In the process of analyzing educational data, the problems ... -
Computer Modelling of the Information Properties of Hyper Chaotic Lorenz System and Its Application in Secure Communication System
(IOP Publishing, 2021)This paper presents computer modeling, analysis and research of the hyper-chaotic Lorenz system based on programming interface that has been developed in LabView software environment. This study allows for generating and ... -
Core-shell type-II spherical quantum dot under externally applied electric field
(Elsevier, 2022-02-14)This study presents a simple one-band model within the effective mass approximation to describe the electric field impact on the energy structure and interband electron quantum transitions in type-II CdSe/ZnTe and ZnTe/ ... -
DECISION-MAKING SYSTEM BASED ON VOICE-EMOTIONAL COMANDS FOR EMERGENCY INTERVENTION
(Чернівці: Черн. нац. ун-т, 2022-11-10)Development of new technologies, which are oriented to audio signal processing, has also launched new directions in the use thereof in various spheres of science and engineering. A very important sphere may be considered the ... -
Detecting the influence of uneven loading of the brake shoe in a freight car bogie on its strength
(Eastern-European Journal of Enterprise Technologies, 2023)The object of the study is the processes of occurrence, perception, and redistribution of loads in the brake shoe of a freight car bogie during braking. In order to ensure the safety of the movement of freight cars, a study ... -
Development of hardware for digital control system of pulsed NQR spectrometer
(IEEE, 2021)The analysis is carried out and the choice of the optimal type of PLD for the implementation of a digital control system for a pulsed coherent NQR spectrometer is proposed. Structural and functional synthesis of electronic ... -
Effect of compression in molecular spin-crossover chains
(Фізико-технічний інститут низьких температур імені Б. І. Вєркіна НАН України, 2021)The thermodynamic properties of a one-dimensional spin-crossover molecular chain under constant external pressure are investigated. The effective compressible degenerate Ising model is used as a theoretical basis. Analytical ... -
Effect of compression in molecular spin-crossover chains
(AIP Publishing LLC, 2021)The thermodynamic properties of a one-dimensional spin-crossover molecular chain under constant external pressure are investigated. The effective compressible degenerate Ising model is used as a theoretical basis. Analytical ...