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Polarimetric formulation of the visibility function equation including cross-polar antenna patterns

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5 Author(s)
Camps, A. ; Univ. Politecnica de Catalunya, Barcelona, Spain ; Corbella, I. ; Torres, F. ; Vall-llossera, M.
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The European Space Agency's Soil Moisture and Ocean Salinity (SMOS) mission will be the first one using two-dimensional aperture synthesis radiometry for Earth observation. This study presents the formulation that relates instrument observables and brightness temperature maps including cross-polar antenna voltage patterns, which may be also different from element to element. Finally, the radiometric accuracy degradation if cross-polar patterns are neglected in the image reconstruction is studied.

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Geoscience and Remote Sensing Letters, IEEE  (Volume:2 ,  Issue: 3 )