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The Soil Moisture Active/Passive (SMAP) mission radar: a novel conically scanning SAR

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dc.contributor.author Spencer, Michael
dc.contributor.author Chan, Samuel
dc.contributor.author Veilleux, Louise
dc.contributor.author Wheeler, Kevin
dc.date.accessioned 2014-08-07T21:39:10Z
dc.date.available 2014-08-07T21:39:10Z
dc.date.issued 2009-05-04
dc.identifier.citation IEEE RadarCon09, Pasadena, California, May 4-8, 2009 en_US
dc.identifier.clearanceno 09-0800
dc.identifier.uri http://hdl.handle.net/2014/44637
dc.description.abstract The Soil Moisture Active/Passive (SMAP) mission is a NASA mission identified by the NRC “decadal survey” to measure both soil moisture and freeze/thaw state from space. The mission will use both active radar and passive radiometer instruments at L-Band. In order to achieve a wide swath at sufficiently high resolution for both active and passive chan-nels, an instrument architecture that uses a large rotating reflector is employed. The active radar will further utilize SAR processing in order to obtain the sub-footprint resolution necessary for the geophysical retrievals. The SMAP radar has a unique geometry where the antenna footprint is continuously rotated about nadir in a conical fashion, as opposed to the more common side-looking SAR design. In additional to the unconventional scan geometry, the SMAP radar must address the effects of Faraday rotation and radio frequency interference (RFI), both consequences of the L-Band frequency of operation. en_US
dc.description.sponsorship NASA/JPL en_US
dc.language.iso en_US en_US
dc.publisher Pasadena, CA : Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2009 en_US
dc.subject L-band en_US
dc.title The Soil Moisture Active/Passive (SMAP) mission radar: a novel conically scanning SAR en_US
dc.type Presentation en_US


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