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.


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    Titel :

    The wide swath ocean altimeter: radar interferometry for global ocean mapping with centimetric accuracy


    Beteiligte:
    Pollard, Brian D. (Autor:in) / Rodriguez, Ernesto (Autor:in) / Veilleux, Louise (Autor:in) / Akins, Torry (Autor:in) / Brown, Paula (Autor:in) / Kitiyakara, Amirit (Autor:in) / Zawadski, Mark (Autor:in)

    Kongress:

    IEEE Aerospace Conference ; 2002 ; Big Sky, MT, United States


    Erscheinungsdatum :

    2002-03-01


    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Keine Angabe


    Sprache :

    Englisch





    3.0401 The Wide Swath Ocean Altimeter: Radar Interferometry for Global Ocean Mapping with Centimetric Accuracy

    Institute of Electrical and Electronics Engineers | British Library Conference Proceedings | 2002


    The wide swath ocean altimeter: algorithm and technology developments for improved ocean topography measurements

    Pollard, Brian D. / Rodriguez, Ernesto / Kitiyakara, Amirit et al. | NTRS | 2001


    Ocean monitoring by satellite radar altimeter

    FINKELSTEIN, JAY / KILGUS, CHARLES | AIAA | 1992