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Title: The wide swath ocean altimeter: radar interferometry for global ocean mapping with centimetric accuracy
Authors: Pollard, Brian D.
Rodriguez, Ernesto
Veilleux, Louise
Akins, Torry
Brown, Paula
Kitiyakara, Amirit
Zawadski, Mark
Keywords: radar
ocean topography
Issue Date: Mar-2002
Publisher: Pasadena, CA : Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2002.
Citation: IEEE Aerospace Conference, Big Sky, Montana, March 04-11, 2002
Abstract: We have developed an instrument concept that combines a conventional nadir altimeter with a radar interferometer to meet the above requirements. In this paper, we describe the overall mission concept and the interferometric radar design. We also describe several new technology developments that facilitate the inclusion of this instrument on a small, inexpensive spacecraft bus. Those include ultra-light, deployable reflectarray antennas for the radar interferometer; a novel five frequency feed horn for the radiometer and altimeter; a lightweight, low power integrated three frequency radiometer; and a field programmable gate array-based onboard data processor. Finally, we discuss recent algorithm developments for the onboard date processing, and present the expected instatements performance improvements over previously reported results.
Appears in Collections:JPL TRS 1992+

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