Ihor Sliusar

Poltava State Agrarian Academy · Department of Information Systems and Technologies

The purpose of the presentation is to demonstration the electromagnetic parameters of 3D SRR structures based on two-ribbon split rings, in which the constituent elements are modeled on the basis of quasi-fractals.

The report discusses options for solving the image segmentation problem of displaying digital indicators of analogue water or gas meters using neural networks. The results of a comparative analysis of the application of various implementation options for neural networks based on PSP, U-Net, and U-Net2 are presented. The Water Meters Dataset, which...

The report discusses options for solving the image segmentation problem of displaying digital indicators of analogue water or gas meters using neural networks. The results of a comparative analysis of the application of various implementation options for neural networks based on PSP, U-Net, and U-Net2 are presented. The Water Meters Dataset, which...

Various PSP and U-Net architectures for forest segmentation in remote sensing pictures have been proposed and investigated. The main improvements of the proposed architectures are based on using the BathNormalization layers, replacing MaxPool2D layers with AveragePooling2D, changing Conv2DTranspose to UpSampling2D blocks, etc. For the training of n...

The paper proposes variants of 3D models of split ring resonators (SRR) based on ring structures as unit cells of doubly negative (DNG) metamaterials. Evaluation of the efficiency of the synthesized 3D SRR variants is based on determining their relative bandwidth, for which the real part of permittivity and permeability are negative. To analyze the...

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The family of new antenna designs based on the double Moebius strip principle is proposed in this article. Three possible options of the power supply port location had been reviewed in this respect: the cut external strip with the signal port located directly in the cut area is used; the continuous rings without discontinuities are applied, with th...

"Lions" in the Neural Networks "Zoo" was presented in this papaer in the context of CiFAR10 dataset. The proposed architecture based on the Xception had 97.2 % BalancedRecall value.

"Lions" in the Neural Networks "Zoo" was presented in this presentation in the context of CiFAR10 dataset. The proposed architecture based on the Xception had 97.2 % BalancedRecall value.

The ornamental design for a double-negative metamaterial unit cell, as shown and described.

The paper proposes a new type of broadband patch antennas based on MicroQR codes. To synthesize them, the word “antenna” was used. In this research, several design options were considered that used the variation of the antenna's feeder parameters. For their analysis, the Numerical modeling methods were used due to the complexity of describing the i...

The presentation proposes a new type of broadband patch antennas based on MicroQR codes. To synthesize them, the word “antenna” was used. In this research, several design options were considered that used the variation of the antenna's feeder parameters. For their analysis, the Numerical modeling methods were used due to the complexity of describin...

This paper investigates the properties of patch genetics antennas.

In this paper, Neural Networks as Smart Home equipment was considered.

This paper considers the example of Neural Networks developments on Java Language

This presentation proposes a new type of printed antennas, called chaotic due to the peculiar geometry of their outline, as possible applicants for antennas that meet the above requirements. The synthesis of the topology of chaotic antennas was carried out on the basis of the application of the ant colony optimization (ACO) algorithm for solving th...

The paper proposes a new type of multiband broadband printed antennas with a chaotic outline. To synthesize them, the topologies for solving the traveling salesman problem based on the ant colony optimization algorithm are used. Removal of topological restrictions on the trajectory of traversing the matrix of cities made it possible to switch from...

This presentation presented the results of studies of wheel antennas for rovers (UGV).

Запропоновано та досліджено новий тип дводіапазонних широкосмугових антен, що інтегруються до колеса транспортного засобу і дозволяють одночасно вирішувати радарні та комунікаційні завдання. A new type of dual-band broadband antennas that are integrated into the vehicle wheel and allow to solve radar and communication tasks at the same time is pro...

A new type of dual-band broadband antennas that are integrated into the vehicle wheel and allow to solve radar and communication tasks at the same time is proposed and investigated.

In this work, new designs of wheeled antennas for rovers and UGVs were proposed and investigated.

Variants of split ring resonators (SRR) models are proposed. They are considered as unit cells of DNG metamaterials. The synthesized SRR variants are based on the implementation of 3D geometry. Efficiency assessment is carried out on the base of determination of the relative bandwidth δ fDNG, in which the DNG properties are observed. Since metamate...

Variants of split ring resonators (SRR) models are proposed. They are considered as unit cells of DNG metamaterials. The synthesized SRR variants are based on the implementation of 3D geometry. Efficiency assessment is carried out on the base of determination of the relative bandwidth δ fDNG, in which the DNG properties are observed. Since metamate...

Proposed options the EMA on the basis of tworing structures with end slots. They feature a design that contains two rings located one in one. To perform the fractal transformation, the arc acts as the initiator and as the generator acts "meander". Offered multiple templates of the generator allow you to create single or double-sided quasi-fractal 3...

The article reveals an original approach to the organization of professional-oriented training and retraining of specialists in agrarian universities, which is based on the example of creating syllabuses and curriculum design in cooperation with business companies that are developers of information systems (IS). Cloud computing based IS, which were...

Proposed options the electrically small antennas (ESA) on the basis of two-ring structures with end slots. They feature a design that contains two rings located one in one. To perform the fractal transformation, the arc acts as the initiator and as the generator acts "meander". Offered multiple templates of the generator allow you to create single...

In this paper the new design of radar-communication dielectric resonator antennas was proposed.

Variants of models of quasi-fractal ring structures are considered in the work. For their synthesis a vector description of the fractal transformation of individual segments of the initial geometric shape is proposed. The combination of the decomposition of the geometric shape and multidimensional fractal approach allows to simplify the synthesis o...

Синтезированная двухдиапазонная диэлектрическая резонаторная антенна может рассматриваться как один из элементов, обеспечивающих интеграцию систем связи и радиолокации на основе фотоники на базовых станциях 5G (6G) для пространственной селекции беспилотных летательных аппаратов и безэкипажных наземных (надводных) платформ . Представленные оценки ми...

In the work offered approach concerning assessment of ability to integrate the existing infrastructure of mobile communication and IoT for the benefit of motor transport. During the researches the main focus is placed on technology eMTC and NB-IoT. For their realization use 694-790 MHz and 3.4-3.8 GHz of frequency ranges is supposed. As an example...

The article considers the variants of models quasi-fractal antennas. Their synthesis suggested the vector description of the fractal transformation of individual segments of the primary geometric shape. The combination of the decomposition of the geometric shape and multi-dimensional fractal approach allows to simplify the synthesis of fractal 3D s...

The poster presents the results of the study combined antennas developed on the basis of dielectric resonator elements and a fractal approach. This approach allows to achieve a broadband and multi-band antenna systems. As a basic structure is considered, composed of a recursive tree and passive dielectric resonators. To simplify the analysis of the...

The paper presents the results of the study combined antennas developed on the basis of dielectric resonator elements and a fractal approach. This approach allows to achieve a broadband and multi-band antenna systems. As a basic structure is considered, composed of a recursive tree and passive dielectric resonators. To simplify the analysis of the...

The paper considers the models quasi-fractal dielectric resonator antenna (DRA) based on a hemispherical. Thus, the influence of the depth of the overlap of the constituent elements in the spatial-frequency characteristics DRA. The interaction of the antennas of non-Euclidean geometry with radio waves is described difficult. It is therefore advisab...

In paper considered, models of quasi-fractal dielectric resonator antennas (DRA) based on a cube and truncated pyramid. Ansoft HFSS package used for their synthesis. For the purpose of evaluation influence of antenna geometry on its space-frequency characteristics, variants for DRA composition defined which differ in location of elements and depth...

The research results of the possibility of increasing the productivity of the bridge crane through the introduction of hardware and software base Arduino in its control system are given in the article. The indexes of technical productivity of batch operation lift and carry machines of periodic action are analyzed and the working cycle duration has...

In this work proposed dielectric resonator antennas based on quasifractal structures. In order to determine the influence of the geometry of the antenna on its spatial-frequency characteristics, simulation was carried out using a package of electrodynamic modeling Ansoft HFSS. On the basis of the introduced initial assumptions, the dependences of t...

The results of simulation of antennas on fractal basis are presented in the work. Due to the complexity of describing the interaction of non-Euclidean geometry antennas with radio waves, their synthesis was performed using the MMANA-GAL program. The proposed sequence of simulation steps allows for multi-bandwidth and broadband. On the basis of the...

В роботі наведено пропозиції щодо реалізації діелектричних резонаторних антен на основі квазіфрактальних структур, що характеризуються відсутністю рекурсивного повторення. В якості базового елемента запропоновано використання паралелепіпеда. З метою визначення впливу геометрії на просторовочастотні характеристики антени проведено моделювання за доп...

Розглянуто характеристики квазіфрактальних діелектричних резонаторних антен (ДРА) на основі усіченого конусу в залежності від глибини перекриття їх елементів. При цьому досліджені два варіанти антен: більшим діаметром вгору та більшим діаметром до низу. Оцінка та порівняння антен здійснювалися за такими парламентами: амплітудно-частотна характерист...

In this paper presented results of a study of quasifractal 3D antennas in which a cylinder used as the base element. Direction of research: the effect of the degree of overlap of antenna elements on the radiation pattern and amplitude-frequency response. Studies were conducted in the Ansoft HFSS software package.

The article presents the simulation results of antennas based on fractal. Due to the complexity of describing the interaction of the antennas of non-Euclidean geometry with radio waves their synthesis made use of the program MMANA-GAL. The proposed sequence of stages of modeling allows to provide multiple frequencies ranges and broadband. The resul...

Inthis paper priorities of technologies for development of trunking radio systems (digital antenna arrays, N-OFDM signals etc) are considered.

The article deals with convergent solutions “radio over an optics” on the basis of N-OFDM. To comply with NG PON2 provides the possibility of rapid change in signal between OFDM, OFDMA or N-OFDM. To reduce the computational load on the segment of digital optical network proposed a distributed digital signal processing with low rates of digitization...

The article described the possible ways to increase the capacity of mobilе соmmиniсаtiоn systems, built with the use technology of digital beamforming in аntеnnа arrays. It is offered to carry оn corrective асtion of voltages of channels the digital аntеnnа array оn set of sources of pilot signals that allows to boost transmission capacity of а sys...

The Kramer-Rao bound for amplitude estimations of N-OFDM signals was investigated in the case of the usning of a digital antenna array.

In this patent was proposed non-orthogonal frequency multiplexing (N-OFDM). This patent has priority bewore SEFDM signals idea. The proposed method for frequency-division multiplexing of narrow-band information channels involves accomplishing multifrequency coding of an information signal with specified fixed signal carrier spacing over the subch...

(57) Abstract FIELD: radio measurement technology, radiolocation. SUBSTANCE: invention refers to measurement of deviations of momentary frequency away from rated value for modulation of FM signals in radio measurement and receiving devices. Method measuring frequency of harmonic oscillations consists in determination of signal frequency in complian...

Method of processing incoherent packet of radio pulses (57) Abstract Fl ELD: radar and sonar systems. SUBSTANCE: signal of transmitter penetrated into receiver is subjected to analog-to-digital conversion followed by separation of quadrature-phase components and determination of initial phase; information on this phase is used for digital correcti...