Discusses spaceborne radar sensors which allow all-weather, day or night high-resolution imaging of the earth's land and ocean surfaces. The newest of these systems is the synthetic-aperture radar (SAR) which can penetrate dry sands covering desert regions revealing ancient topography buried meters beneath the surface. A comparison of airborne and space radar techniques is given. The Seasat SAR and the shuttle imaging radar-A (SIR-A) sensors are almost identical. They consist of four major electronic subsystems - transmitter, receiver, power converter, and control logic. These sensors are also compared.


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    Title :

    Spaceborne imaging radars probe 'in depth'


    Additional title:

    Weltraumabbildungsradarfuehler fuer Erdbodenbeschaffenheitsanalysen


    Contributors:
    Elachi, C. (author) / Granger, J. (author)

    Published in:

    IEEE Spectrum ; 19 , 11 ; 24-29


    Publication date :

    1982


    Size :

    6 Seiten, 4 Quellen


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English