This chapter identifies the future needs and promising concepts for space antennas. This is quite a challenge. The topic of space antenna subsystems is very extensive due to the large variety of applications, including Earth observation, telecommunications, navigation, science, planetary exploration as well as TTC, manned spacecraft and user terminals. The antenna subsystem is characterized by strong links with overall system design as well as spacecraft and mission optimization. Although the L‐band to X/Ku‐band frequency range is most often used for space applications (telecommunications, Earth observation, etc.), lower and higher frequencies have been implemented in recent missions and are to be considered for future ones. Increased operational frequency and higher bandwidth for users induce new constraints on reflector surface accuracy, stability, pointing system and feed manufacturing tolerances, while multibeam technology requires new high‐efficiency feeds and a large number of reflectors.

    multibeam antennas; satellite navigation; space vehicle antennas; telecommunications


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    Title :

    Space Antenna Challenges for Future Missions, Key Techniques and Technologies



    Published in:

    Publication date :

    2012-05-25


    Size :

    46 pages




    Type of media :

    Article/Chapter (Book)


    Type of material :

    Electronic Resource


    Language :

    English