Uncorrected across-track motions of a synthetic aperture radar (SAR) platform can cause both a severe loss of azimuthal positioning accuracy in, and defocusing of, the resultant SAR image. It is shown how the results of an autofocus procedure can be incorporated in the azimuth processing to produce a fully focused image that is geometrically accurate in azimuth. Range positioning accuracy is also discussed, leading to a comprehensive treatment of all aspects of geometric accuracy. The system considered is an X-band SAR.


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    Titel :

    Geometric accuracy in airborne SAR images


    Weitere Titelangaben:

    Geometrische Genauigkeit von Bord-SAR-Radar-Bildern


    Beteiligte:
    Blacknell, D. (Autor:in) / Freeman, A. (Autor:in) / Quegan, S. (Autor:in) / Ward, I.A. (Autor:in) / Finley, I.P. (Autor:in) / Oliver, C.J. (Autor:in) / White, R.G. (Autor:in) / Wood, J.W. (Autor:in)


    Erscheinungsdatum :

    1989


    Format / Umfang :

    18 Seiten, 11 Quellen



    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch




    Geometric accuracy in airborne SAR images

    Blacknell, D. / Freeman, A. / Quegan, S. et al. | IEEE | 1989


    Geometric accuracy in airborne SAR images

    Blacknell, D. / Quegan, S. / Ward, I. A. et al. | NTRS | 1989


    Motion compensation errors: effects on the accuracy of airborne SAR images

    Fornaro, G. / Franceschetti, G. / Perna, S. | IEEE | 2005


    Motion compensation errors: effects on the accuracy of airborne SAR images

    Fornaro, G. / Franceschetti, G. / Perna, S. | IEEE | 2005