00720naa#a2200169#i#450# EN\\bibl\120335 20260526023237.2 2219-0767 20260424b2026####ek#y0engy0150####ca RU Application of system analysis to find the optimal structure of a nonlinear frequency–modulated signal in radar air traffic control systems Journal article Voronezh FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov 2026 10 с. Journal article local Аппаратура и методы радиосвязи. 621.396 Pelevin Andrey Sergeevich naukaru.ru