MV-4920 Physical Modeling Remote Sensing Basics Mapping VR/Simulation Scientific Visualization/GIS Smart Weapons Physical Nomenclature Atmospherics Illumination Surface physics EO/IR

Light source Sensor Atmospheric Transmittance 1) Radiation is scattered and absorbed out and in to the optical path 2) Index of refraction varies with temperature and turbulence Path length “R” Concentration g/m 3 scattering coefficient absorbtion coefficient

Energy in E in Energy out E out Energy scattered out of optical path E in e -(  )R Energy absorbed E in e -(  )R Energy Emitted  E bb (1-e -(  +  )R ) where: E bb is the black body radiation Energy scattered into optical path E amb (1-e -(  +  )R ) where: E amb is the background atmospheric radiation E out = {  E bb + E amb ) (1-e -(  +  )R )+E in e -(  +  )R