A satellite 100 having a radar antenna array 160 formed as a generally planar structure comprising a plurality of panels. Each panel comprises a plurality of antenna transmit/receive modules with each antenna transmit/receive module comprises a stack of planar elements comprising an RF board, an antenna board, and one or more heat sink components for conducting heat from the RF board. Each RF board comprises a plurality of RF front ends. The stack may additionally comprise a power board. The antenna array preferably being an active phased array synthetic aperture radar antenna. Each RF front end may include a power amplifier, a transmit/receiver switch, a low noise amplifier and digital phase shifters in both transmit and receive directions. The satellite preferably comprising solar panels 155 arranged to be folded for launch and deployable by pivoting with respect to each other into a plane.


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    Title :

    SYNTHETIC APERTURE RADAR SATELLITE DESIGN AND OPERATION


    Additional title:

    ENTWURF UND BETRIEB EINES RADARS MIT SYNTHETISCHER APERTUR
    CONCEPTION ET FONCTIONNEMENT DE SATELLITE RADAR À SYNTHÈSE D'OUVERTURE


    Contributors:

    Publication date :

    2025-05-28


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    G01S RADIO DIRECTION-FINDING , Funkpeilung / B64G Raumfahrt , COSMONAUTICS / H01Q Antennen , ANTENNAS, i.e. RADIO AERIALS



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