A triband polarimetric synthetic-aperture radar (SAR) developed for remote sensing applications and installed in a US Navy P-3 aircraft is described. In this SAR, pulses are transmitted at either X-, C-, or L-band. They may be transmitted at either horizontal (H) or vertical (V) polarization and received at either horizontal or vertical polarization. Transmit and receive polarization, as well as frequency band, may be switched pulse-to-pulse. Up to four different waveforms may be interleaved, e.g. XHH LHV XVV CVH or XHH XHV XVH XVV (full-polarimetric model). A digital synthesizer produces the FM-chirp pulse. The pulse is emitted from a triband antenna that is kept perpendicular to the aircraft ground track by a three-axis, servo-driven positioner which compensates for aircraft pitch, roll, and yaw. Received pulses are digitized, preprocessed, and recorded to high-density digital tape. Test flights and preliminary imagery obtained are briefly noted.


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    Title :

    Polarimetric X/L/C-band SAR


    Additional title:

    Polarimetrisches X/L/C-Band-SAR


    Contributors:


    Publication date :

    1988


    Size :

    6 Seiten, 2 Quellen



    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English






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