By using a linear antenna array, velocity synthetic aperture radar (VSAR) can detect, focus, and locate slowly moving targets well. However, it may mis-locate fast moving targets in the azimuth (cross-range) direction. In this correspondence, we propose a synthetic aperture radar (SAR) with a nonuniform linear antenna array and give a design of the antenna arrangement. It is shown that our proposed nonuniform linear antenna array SAR (NULA-SAR) can locate both slowly and fast moving targets correctly. An integrated NULA-SAR algorithm for moving target imaging is also presented, and it is verified by some simulations.


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    Titel :

    Location and Imaging of Moving Targets using Nonuniform Linear Antenna Array SAR


    Beteiligte:
    Gang Li, (Autor:in) / Jia Xu, (Autor:in) / Ying-Ning Peng, (Autor:in) / Xiang-Gen Xia, (Autor:in)


    Erscheinungsdatum :

    01.07.2007


    Format / Umfang :

    3291624 byte




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch