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Information × Registration Number 0219U003667, 0117U004851 , R & D reports Title Impulse and sinusoidal fields in nonlinear and layered electrodynamic structures and nanosystems as field transformators and models of spintronic elements popup.stage_title Head Dumin Olexander, Registration Date 07-02-2019 Organization Kharkov National University named after V.N. Karazin popup.description2 Object of investigation: transient field transformation in nonlinear and layered media, the phenomenon of interaction between spins of electrons, atoms of magnetic material of nanostructures considering temperature changes and external electromagnetic field. The aim of the stage: to receive the regularities of transient field transformation in nonlinear medium on the basis of evolutionary approach, to analyze the influence of artificial neural network structure on precision of subsurface object recognition, to obtain the characteristics of modes of nonlinear magnetic nanostructure work. The evolution of ultrawideband electromagnetic field in nonlinear medium is investigated using the method of evolutionary equations that is a method in time domain. The received energy distributions at different distances from the source of a transient current illustrate the process of a formation of an angle distribution of radiation field for impulse excitation. The influence of artificial neural network topologies and level of its complexity on the precision of subsurface object recognition is investigated. The simulation of processes in nonlinear magnetic nanostructure in dependence on applied outer parameters is carried out. The investigations carried out are relevant to design the high-power electromagnetic impulse sources, to create new ultrawideband impulse radars that will recognize the hidden metal and dielectric objects, as well as determine its placement, to create novel nonlinear nanoscale magnetic devices, including spintronic devices. Product Description popup.authors Єлісєєва Н. Ахмедов Р.Д. Бердник С.Л. Боцула О. Катрич Г. Кдніков Д. Кравцова Л. Ляховський А.Ф. Мустецов М. Набока А. Огурцова Г. Плахтій В. Почанин Г. Прищенко О. Пшенична С. Селютин А. Черкасов Д. Шепілко Е. Широкорад Д. popup.nrat_date 2020-04-02 Close