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1 results about "Structure function" patented technology

The structure function (also known as the proton structure function), like the fragmentation function, is a probability density function. It is somewhat analogous to the structure factor in solid-state physics, and the form factor (quantum field theory).

Determination and analysis method for three-layer S-RVoG scattering model of inclined forest area

InactiveCN109188391AIncreased scatter componentWell describedElectromagnetic wave reradiationVegetationTerrain
The invention provides a determination and analysis method for a three-layer S-RVoG (sloped random volume over ground) scattering model of an inclined forest area. The invention comprises the following steps that: S1, showing a schematic RVoG model scattering diagram, and focusing on the deducing and the analyzing of a coherence coefficient expression of an RVoG model; S2, increasing the scattering component of a trunk layer, and deducing a coherence expression of a three-layer scattering model in detail, based on the RVoG model; S3, considering the influence of local terrain slopes, modifyinga vertical structure function, deducing an S-RVoG model, and analyzing the model; and S4, considering the scattering component of the trunk layer, deducing a three-layer S-RVoG model, and analyzing the influence of each physical parameter on coherence, based on the S-RVoG model. The determination and analysis method solves the problem that the RVoG model is fuzzy in the description of the naturalmountain area scattering process, improves the vegetation coherence scattering model, and improves the accuracy of the polarimetric SAR interferometry vegetation in height inversion.
Owner:HARBIN INST OF TECH
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