Сучасні проблеми радіоелектроніки, телекомунікацій, комп'ютерної інженерії (TCSET’2012). – 2012 р.
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У книзі зібрано матеріали конференції, присвяченої науково-технічним проблемам у галузі радіоелектроніки,телекомунікацій та комп’ютерної інженерії. Видання призначене для науковців, інженерів та аспірантів.
Сучасні проблеми радіоелектроніки, телекомунікацій, комп'ютерної інженерії : матеріали XІ Міжнародної конференції TCSET'2012, присвяченої 60-річчю заснування радіотехнічного факультету у Львівській політехніці, 21-24 лютого 2012 року, Львів, Славське, Україна / Міністерство освіти і науки, молоді та спорту України, Національний університет "Львівська політехніка". – Львів : Видавництво Львівської політехніки, 2012. – 552 с.
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Item Express method of threshold voltage control of dmos transistors in the process of their manufacturing(Видавництво Львівської політехніки, 2012) Politansky, Leonid; Lesinsky, ValentinThere is shown the use of test structure for DMOSstructure threshold voltage control and correction.Item Methods for controlling levels of electromagnetic radiation in indoor spaces(Видавництво Львівської політехніки, 2012) Serkov, Oleksandr; Tolkachov, MaksymWe propose a model of a system for control of resistance levels of electronic systems with regard to electromagnetic noise in indoor spaces, which allows analyzing cumulative averages of electromagnetic fields of concentrated sets of radiation sources.Item Simulation approaches of low-dimension structures for biosensing(Видавництво Львівської політехніки, 2012) Bodilovska, DariaModeling theory and simulation approaches of field effect transistor (FET)-based sensor for biomolecules detection are presented.Item Computer simulation of the impact of the magnitude of applied field and surface anchoring force on gradient lightguide formation in the layer of nematic liquid crystal(Видавництво Львівської політехніки, 2012) Ilnytskyi, Jaroslav; Fechan, Andrij; Sushynskyy, Orest; Tomashevskyy, Oleh; Kotsun, Volodymyr; Varanytsia, Andrij; Adamchuk, OlenaThere were investigated phase diagram and distribution profile of the director field of simulated liquid crystal which is kept in the pore with homeotropic boundary conditions in different phases. By the means of molecular dynamics method there was performed the computer simulation of the changes of refractive index profile in gradient lightguide under the surface anchoring force and applied electric field.Item On the mathematical approaches to multi-state PAL models for porous solids(Видавництво Львівської політехніки, 2012) Klym, HalynaThe mathematical approaches for all positron annihilation processes in porous solids for electronics are performed within multi-channel model, which include positron trapping modes and positronium decaying.Item High-voltage power supply based on piezoelectric transformer(Видавництво Львівської політехніки, 2012) Kryvoshei, Dmytro; Paerand, YuriyHigh-voltage power supply based on piezoelectric transformer instead of traditional electromagnetic transformer is offered in the paper. The structure of the power supply is represented. The power supply operation principle is described, the diagrams that illustrate its operation are given.Item Self-oscillations in recurrent neural structures(Видавництво Львівської політехніки, 2012) Romanyshyn, Yuriy; Petrytska, SvitlanaIn this paper the conditions of the selfoscillations in one and two neurons with feedback are considered.Item Modeling of the air duct is for the selective serve of air to the radio electronic blocks(Видавництво Львівської політехніки, 2012) Fast, Volodymyr; Yangursky, Kostyantyn; Atamanova, IrynaMathematic modeling is applied to identify the specificity of designing an air duct of constant cross-section with apertures different in area.Item Mathematical model of channel current in FET-based nanobiosensors(Видавництво Львівської політехніки, 2012) Bodilovska, Daria; Popov, AntonField effect transistor (FET)-based sensor for biomolecules detection has been simulated.Item Influence the bonding jumpers characteristics on the microstrip coupler lange parameters(Видавництво Львівської політехніки, 2012) Furmanova, NataliyaIn the paper effect of the bonding jumpers characteristics as the shape, diameter, material and the number of jumpers on the microstrip coupler Lange parameters was investigated.Item Deterministic random bit generator on elliptic curve transformations(Видавництво Львівської політехніки, 2012) Chevardin, VladislavIn this paper the method, which uses elliptic curve transformations for random bit generator is given.Item Heat reduction of the MWD telemetry system(Видавництво Львівської політехніки, 2012) Matviykiv, TarasIn this paper the simplified thermal model of conventional downhole MWD (Measurements While Drilling) telemetry system has been made. The heat reduction methods for the IC (integrated circuits) components of downhole drilling tools have been analyzed.Item Comparative analysis of modeling the fields of harmful emissions from vehicles using deterministic and interval approaches(Видавництво Львівської політехніки, 2012) Krepych, Svitlana; Dyvak, Mykola; Stakhiv, PetroThe process of diffusion the harmful emissions from vehicles is comfortably describe by differential equation in partial derivatives. However, the measured data for these models have some measurement errors. So it is better to represent the input data in interval kind.Item Numerical investigation of linear waveguide paa with dielectrically filled matching periodical strucure(Видавництво Львівської політехніки, 2012) Marchenko, Sergei; Мorozov, Valentin; Syanov, AlexanderNumerical investigation of plane-waveguide PAA with dielectrically filled matching periodical structure (MPS) is presented. MPS is investigated both with dielectrical filling and without filling. Obtained results are demonstrated that application of MPS improves matching with free space.Item Зміст до «Сучасні проблеми радіоелектроніки, телекомунікацій, комп'ютерної інженерії»(Видавництво Львівської політехніки, 2012)Item Sensor network based on gas smart sensors for environmental monitoring(Видавництво Львівської політехніки, 2012) Mykytyuk, Zinoviy; Fechan, Andrij; Shymchyshyn, Olga; Rudyi, Andriy; Nazarenko, Vasyl; Petryshak, VasylThis work describes the structure of the real time environmental monitoring automated system on the basis of the network of liquid crystal optical gas sensors. There were proposed principles data gathering from distributed objects.Item Dielectric/Conductivity spectra and magnetic properties of 3D-nanocomposites of metallic particles confined in opal matrices(Видавництво Львівської політехніки, 2012) Samoylovich, Mikhail; Bovtun, Viktor; Rinkevich, Anatoly; Belyanin, Alexey; Nuzhnyy, Dmitry; Kempa, Martin; Petzelt, JanStructure and composition of metamaterial samples are studied on the basis of lattice packing SiO2 nanospheres (opalmatrices) with included clusters of crystalline phase in interspherical nanospacing related to electrically active or with high inductivity. Real and imaginary components of inductivity of synthesized metamaterials areinvestigated in range 1 MHz-2 THz.Item New method of extremal surfaces for most efficient application of crystalline materials in electro-optic devices(Видавництво Львівської політехніки, 2012) Buryy, Oleg; Ubizskii, Serhij; Andrushchak, AnatoliyNew method for geometry determination of most efficient application of crystalline materials as active elements of electro-optic devices is proposed. This method is based on the analysis of properties of the extremal surfaces obtained by optimization procedure and consists in the determination of such directions of the electrical field and the wave normal that maximize the path difference for two orthogonally polarized waves, which can propagate along arbitrary direction in investigated crystal. The method of extremal surfaces was approbated in example of LiNbO3 crystal.Item Circuit design for development of PH-sensors(Видавництво Львівської політехніки, 2012) Stakhira, P.; Cherpak, V.; Barylo, G.; Kremer, I.; Kus, N.; Boiko, O.A circuit design of pH-sensors based on polyaniline films is proposed.Item Regular and adaptive meshing algorithms for modeling of spherical inclusions by finite element method(Видавництво Львівської політехніки, 2012) Farmaga, I.; Lobur, M.; Shmigelskyi, P.; Javorskyi, N.; Śpiewak, P.This paper consider and compare algorithms of generation finite-element meshes for nanocomposites with spherical inclusions.