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    The HYDROS Mission: Requirements and Baseline System Design

    The HYDROS Mission: Requirements and Baseline System Design


    The HYDROS mission is under development by NASA as part of its Earth System Science Pathfinder (ESSP) program. HYDROS is designed to provide global maps of the Earth's soil moisture and freezel/thaw state every 2-3 days, for weather and climate prediction, water and carbon cycle studies, natural hazards monitoring, and national security applications. HYDROS uses a unique active and passive L-band microwave system that optimizes measurement accuracy, spatial resolution, and coverage. It provides measurements in nearly all weather conditions, regardless of solar illumination. The designs of the radar and radiometer electronics, antenna feedhorn and reflector, and science data system, are driven by specific mission and science objectives. These objectives impose requirements on the frequencies, polarizations, sampling, spatial resolution, and accuracy of the system. In this paper we describe the HYDROS mission requirements, baseline design, and measurement capabilities.

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    Titel :

    The HYDROS Mission: Requirements and Baseline System Design

    Beteiligte:
    Njoku, Eni (Autor:in) / Spencer, Michael (Autor:in) / McDonald, Kyle (Autor:in) / Smith, Joel (Autor:in) / Houser, Paul (Autor:in) / Doiron, Terence (Autor:in) / O'Neill, Peggy (Autor:in) / Girard, Ralph (Autor:in) / Entekhabi, Dara (Autor:in)
    Kongress:

    IEEE Aerospace Conference ; 2004 ; Big Sky, MT, United States

    Erscheinungsdatum :

    2003-03-06

    Medientyp :

    Preprint

    Format :

    Keine Angabe

    Sprache :

    Englisch

    Schlagwörter :

    Earth Resources And Remote Sensing , radar , microwaves , soil moisture , Hydrosphere State (HYDROS) mission , radiometry

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