TY JOUR TI Backscatter signal model for Irkutsk Incoherent Scatter Radar KW ion and electron temperatures KW incoherent scatter technique KW incorrect inverse problems JO Solar-Terrestrial Physics AU Tashlykov, V.P. AU Medvedev, A.V. AU Vasilyev, R.V. PY 2018 IS 4 PB INFRA-M Academic Publishing LLC.