Spectral Properties of Homogeneous and Nonhomogeneous Radar Images

Søren Nørvang Madsen

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    Abstract

    On the basis of a two-dimensional, nonstationary white noisemodel for the complex radar backscatter, the spectral properties ofa one-look synthetic-aperture radar (SAR) system is derived. It isshown that the power spectrum of the complex SAR image is sceneindependent. It is also shown that the spectrum of the intensityimage is in general related to the radar scene spectrum by a linearintegral equation, a Fredholm's integral equation of the third kind.Under simplifying assumptions, a closed-form equation giving theradar scene spectrum as a function of the SAR image spectrum canbe derived.
    Original languageEnglish
    JournalI E E E Transactions on Aerospace and Electronic Systems
    VolumeAES-23
    Issue number4
    Pages (from-to)583-588
    ISSN0018-9251
    DOIs
    Publication statusPublished - 1987

    Bibliographical note

    Copyright: 1987 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE

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