TY CONF TI RADIO WAVE PROPAGATION IN THE FOREST KW RFW KW signal KW electrophysical parameters JO CHALLENGING ISSUES IN SYSTEMS MODELING AND PROCESSES AU Levkulich, O.V. AU Pantileev, L.A. PY 2025 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov