%0 Journal Article %T On some problems of modeling the processes of interaction of wide electron beams with planar microwave structures based on gallium nitride %A Stepovich, M.A. %A Kalmanovich, V.V. %A Filippov, M.N. %K mathematical modeling, semiconductors, wide electron beam, minority charge carrier, diffusion %J Infocommunications and Radio Technologies %D 2021 %N 4 %P 9 %I Federal State Educational Institution of Higher Education Sevastopol State University