UAV БПЛА 5 Ukraine 2 burrowing mammals 2 remote sensing 2 spatial distribution 2 vegetation indices 2 вегетационные индексы 2 вегетаційні індекси 2 CO2 concentration 1 Carex riparia 1 UDC 004.78 1 UDC 004.896 + 004.932.2 1 chlorophyll content 1 correlation of ground and remote measurements 1 cryptanalysis 1 cryptography 1 friend-or-foe 1 ground spectrometric survey 1 image processing 1 magnetic field anomalies 1 magnetic survey 1 optical stabilization 1 phase correlation 1 spectral and gasometric surveys 1 sub-pixel image registration 1 total nitrogen content 1 unexploded ordnance 1 vehicles recognition 1 winter wheat crops 1