діелектрична проникність dielectric permittivity 2 диэлектрическая проницаемость 2 Bohdan Khmelnytsky 1 dielectric permeability 1 electromagnetic radiation diffraction 1 georadar 1 ground truth 1 informativity 1 loam 1 measurement of optical characteristics 1 optical and radar data 1 permittivity 1 physical temperature 1 plasmon polariton resonance 1 radar backscattering coefficient 1 soil moisture 1 spatial resolution 1 subpixel processing 1 superresolution 1 supreme measurements 1 surface roughness 1 synthetic-aperture radar (SAR) 1 terahertz range 1 the Church of St. Elias 1 thermal emissivity 1 underground structure 1 Іллінська церква 1 Богдан Хмель- ницький 1 Богдан Хмельницкий 1