Search results for "Discrete scatterer"

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Estimation of Vegetation Structure Parameters From SMAP Radar Intensity Observations

2021

In this article, we present a multipolarimetric estimation approach for two model-based vegetation structure parameters (shape A and orientation distribution ψ of the main canopy elements). The approach is based on a reduced observation set of three incoherent (no phase information) polarimetric backscatter intensities (|S HH | 2 , |S HV | 2 , and |S VV | 2 ) combined with a two-parameter (A P and ψ) discrete scatterer model of vegetation. The objective is to understand whether this confined set of observations contains enough information to estimate the two vegetation structure parameters from the L-band radar signals. In order to disentangle soil and vegetation scattering influences on th…

Backscatter:Enginyeria de la telecomunicació::Radiocomunicació i exploració electromagnètica::Radar [Àrees temàtiques de la UPC]Incoherent scatterSynthetic aperture radarGeometryvegetation modelPhysics::GeophysicsBackscatterScatteringPolarimetryddc:550vegetation structureVegetacióDiscrete scattererElectrical and Electronic EngineeringpolarimetryVegetation mappingPhysicsRadarScatteringscatteringShapeOrder (ring theory)PlantsOrientation (vector space)DipoleVegetation structureDistribution (mathematics)Soil Moisture Active Passive (SMAP)Vegetation modelGeneral Earth and Planetary SciencesEstimationIntensity (heat transfer)radarIEEE Transactions on Geoscience and Remote Sensing

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