A novel space-fed radar antenna called a venetian blind is proposed for all-weather wide area surveillance from space. The antenna can support both tasked and untasked operation. In its untasked form (essentially a space-fed passive lens), it achieves off-axis squint angles of many beamwidths with negligible performance degradation. It is inherently insensitive to mechanical distortion, and is a first step in the evolution to the more complex tasked system antenna. The antenna lens consists of easily manufactured slats with microstrip dipole radiating elements and matching networks on a dielectric substrate. Phase control is achieved with low-loss delay lines in the passive lens or active transmit/receive modules if electronic scan is desired.


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    Title :

    A space-fed phase array for surveillance from space


    Additional title:

    Eine im Weltraum gespeiste phasengesteuerte Antenne zur Überwachung aus dem Weltraum


    Contributors:
    Hightower, C.H. (author) / Wong, S.H. (author) / Perkons, A.R. (author) / Igwe, C.I. (author)


    Publication date :

    1991


    Size :

    5 Seiten, 3 Quellen




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




    A space-fed phased array for surveillance from space

    Hightower, C.H. / Wong, S.H. / Perkons, A.R. et al. | IEEE | 1991


    A space-fed phased array for surveillance from space

    Hightower, C.H. / Wong, S.H. / Perkons, A.R. et al. | Tema Archive | 1991




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