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The complexity of polarization orientation angle induced by scatterings from buildings and distributed media will be investigated. We will look into 1) the estimation algorithm, 2) The double bounce scattering from building walls not aligned in the along-track direction and 3) the orientation angle associated with very high-resolution PolSAR images with decimeter resolution.
We present a theoretical analysis for InSAR height measurement in sand-covered arid areas based on two-layer model. The influence of radar wave's penetration on height estimation is mainly considered. If the returned signal from the subsurface is dominant, InSAR is potential to measure the subsurface height. Taking the refraction at the interface and the change of propagation velocity in the sand...
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