The polar format algorithm (PFA) for spotlight synthetic aperture radar (SAR) is based on a linear approximation for the differential range to a scatterer. We derive a second-order Taylor series approximation of the differential range. We provide a simple and concise derivation of both the far-field linear approximation of the differential range, which forms the basis of the PFA, and the corresponding approximation limits based on the second-order terms of the approximation.


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    Title :

    Taylor expansion of the differential range for monostatic SAR


    Contributors:
    Rigling, B.D. (author) / Moses, R.L. (author)


    Publication date :

    2005-01-01


    Size :

    563217 byte




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English





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