Design results of a wide-angle Coverage 20/30 GHz (Ka band) multiple-beam antenna to be flown on the first Algerian civil communication satellite are presented here. The high gain spot beams with low sidelobe levels and high efficiency antenna are generated by employing an offset reflector antenna. This paper considers the use of an offset reflector with a feed array as a way of combining the high gain of the reflector with the high performance of the antenna array pattern. Results of the demonstration antenna have shown that sidelobe level of better than ¿30 dB is achieved for beams scanned over a two-degree diameter circular coverage region.


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    Title :

    A Ka Band Offset Dish Antenna to be Used for the Future Algerian Telecommunication Satellite


    Contributors:


    Publication date :

    2007-03-01


    Size :

    240258 byte





    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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