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SMOS: The Payload

2008; Institute of Electrical and Electronics Engineers; Volume: 46; Issue: 3 Linguagem: Inglês

10.1109/tgrs.2007.914809

1558-0644

Kevin McMullan, Mike Brown, Manuel Martín‐Neira, W. Rits, S. Ekholm, Jose Manuel Martí, J. Lemanczyk,

Arctic and Antarctic ice dynamics

The European Space Agency's Soil Moisture and Ocean Salinity satellite comprises a single payload instrument known as the Microwave Interferometric Radiometer with Aperture Synthesis (MIRAS) coupled to a PROTEUS platform. MIRAS synthesizes a large aperture from a reasonably sized 2-D array of passive microwave radiometers. By using interferometric techniques, the required coverage and spatial resolution can be achieved without the need for a large antenna. This paper describes the MIRAS instrument, its observation modes, the imaging geometry, and data products.