TY CONF TI PROBLEMS OF EXISTING METHODS FOR CALCULATING THE RADIATION HARDNESS OF CMOS INTEGRATED CIRCUITS UNDER PROTON IRRADIATION KW CMOS KW proton irradiation KW TID KW DDD KW NIEL-scaling KW SEE KW radiation hardness KW space electronics JO PROBLEMS AND PROSPECTS IN SYSTEMS AND PROCESS MODELING AU Kotlyarov, V.V. PY 2026 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov