Digital demodulator for wide bandwidth SAR

Jørn Hjelm Jørgensen

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    Abstract

    A novel approach to the design of efficient digital quadrature demodulators for wide bandwidth SAR systems is described. Efficiency is obtained by setting the intermediate frequency to 1/4 the ADC sampling frequency. One channel is made filter-free by synchronizing the local oscillator with the output decimator. The filter required by the other channel is optimized through global search using the system level performance metrics integrated sidelobe level ratio (ISLR) and peak sidelobe level ratio (PSLR).
    Original languageEnglish
    Title of host publicationProceedings. IGARSS 2000. IEEE 2000 International Geoscience and Remote Sensing Symposium, 2000.
    Volume5
    PublisherIEEE
    Publication date2000
    ISBN (Print)0-7803-6359-0
    DOIs
    Publication statusPublished - 2000
    EventIEEE 2000 International Geoscience and Remote Sensing Symposium - Honolulu, United States
    Duration: 24 Jul 200028 Jul 2000
    http://ieeexplore.ieee.org/xpl/mostRecentIssue.jsp?punumber=6913

    Conference

    ConferenceIEEE 2000 International Geoscience and Remote Sensing Symposium
    Country/TerritoryUnited States
    CityHonolulu
    Period24/07/200028/07/2000
    Internet address

    Bibliographical note

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