Reflect array bandwidth is mainly limited by two different factors: The first one is the narrowband of the radiating elements, and the second is the differential spatial phase delay resulting from the different lengths from the feed to each point on the wavefront of the radiated beam. This chapter presents a comprehensive overview of reflectarray antennas, including the operating principles, analysis techniques, design procedures for contoured beams and bandwidth improvement, and some practical developments for space applications. The requirements of spacecraft antennas for satellite broadcast and telecommunication missions are very stringent, including shaped contoured beams to efficiently illuminate predefined geographical areas, co‐polar isolation in other geographical regions, and in some cases transmit‐receive (Tx‐Rx) operation. Passive reflectarray antennas have demonstrated their capability to produce very accurate contoured beams for DBS antennas and high gain for deep space communications.

    reflectarray antennas; space communication links; telecommunications


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    Title :

    Printed Reflectarray Antennas for Space Applications


    Contributors:

    Published in:

    Publication date :

    2012-05-25


    Size :

    50 pages




    Type of media :

    Article/Chapter (Book)


    Type of material :

    Electronic Resource


    Language :

    English




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