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Information × Registration Number 0213U001802, 0110U001428 , R & D reports Title Electrodynamic simulation of effect of impulse ultrawideband electromagnetic field on biological objects popup.stage_title Head Kolchigin Mikola, Dymin Oleksandr, Registration Date 13-02-2013 Organization Kharkov National University named after V.N. Karazin popup.description2 Object of investigation: impulse ultrawideband electromagnetic field with variable pulse parameters that effects into solution, biological tissue or its model which is presented by complex inhomogeneous stucture; human buccal cells. The aim of the work: the construction of electrodynamical model and studying the rules of impulse ultrawideband electromagnetic radiation influence on funcional state of biological objects, analytical and numerical investigation of ultrawideband fields in dielectric, biological media, finding the rules of influence of electromagnetic impulses with different time, frequency, and energycharacteristics into living cells. The method of investigations: classical methods of mathematical physics, evolutionary equation method, vector potencial method in time domain, finite difference method in time domain, author's method of determination of living cell nucleus stress state level by the number of heterochromatine granules. The problems of radiation of transient electromagnetic field in radially inhomogeneous medium is solved by evolutionary equation method. The set of evolutionary equations is obtained. The fields radiated from small loop with given transient current are received. The analytical expressions for transient near fields of Herz dipole are obtained by method of vector potencial in time domain. The possibility of precize enough determination of dielectric laeyer thickness is shown by means of analysis of reflected impulse signal by artificial neural network, where properties of usual and convolution neural networks are compared. The calculation of field heating action of plane wave and slot line on biological solution is carried out taking into account electrodynamical influence of experimental setup influence. It is shown that the increase of harmonical constituents in impulse irradiation field makes worse stress state of living cell. The results of investigations can be used for working out the radiolocation, medical and biological devices, methods of determination of biological effect of impulse ultrawideband radiation. IMPULSE SIGNAL, TIME DOMAIN, FINITE DIFFERENCES, ARTIFICIAL NEURAL NETWORK, HETEROCHROMATIN Product Description popup.authors Казанський О. Ляховський А. Пасюга В. Широкорад Д. Шкорбатов Ю. popup.nrat_date 2020-04-02 Close