In this paper, firstly some main problems including the imaging resolution and choice of pulse repetition frequency (PRF) are discussed according to the imaging characteristics of missile-borne millimeter wave (MMW) synthetic aperture radar (SAR) for ground target. Secondly a new scheme of motion compensation which consists of range alignment, phase adjustment and compensation for the movement with non-uniform velocity is presented. Thirdly image reconstruction algorithm using superresolution spectrum estimation based on linear spectrum extrapolation technique is given. Finally the effect of maneuvering targets' 3-dimensionaI (3D) rotation on the imaging quality of missile-borne MMW SAR is analyzed. The effectiveness and efficiency of utilizing the proposed imaging method and the effect of 3-D rotation are demonstrated by means of simulation results.


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    Title :

    Imaging algorithm of missile-borne MMW SAR for ground moving target


    Contributors:

    Published in:

    Publication date :

    2007


    Size :

    6 Seiten, 6 Quellen




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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