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Polarimetric mode of MIRAS

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3 Author(s)
Martin-Neira, M. ; Eur. Space Res. & Technol. Centre, Eur. Space Agency, Noordwijk, Netherlands ; Ribo, S. ; Martin-Polegre, A.J.

The L-band Microwave Imaging Radiometer with Aperture Synthesis (MIRAS), scheduled to be flown as single payload on board the European Soil Moisture and Ocean Salinity (SMOS) mission, has a very wide field of view and synthesizes narrow beams by means of two-dimensional (2-D) interferometry, the same concept used in radio astronomy. Wide field of view is indeed a key feature of this radiometer, which leads naturally to the measurement of the full vector of brightness temperatures of the image. This paper analyzes the theory of polarimetry in the 2-D wide-field-of-view microwave interferometry and describes the way MIRAS will measure the polarimetric brightness temperatures.

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Geoscience and Remote Sensing, IEEE Transactions on  (Volume:40 ,  Issue: 8 )