According to calculations, efficiency of offset Cassegrain reflector antenna increased by about 8 percent by extending edge of subreflector outward about 1 wavelength beyond optical limit. Even though main reflector partially shadowed by subreflector, partial aperture blockage more than offset by consequent reduction of diffraction on subreflector. Similar conclusions apply to symmetric Cassegrain antennas.


    Zugriff

    Zugriff über TIB

    Verfügbarkeit in meiner Bibliothek prüfen


    Exportieren, teilen und zitieren



    Titel :

    Extension of Subreflector Increases Antenna Efficiency


    Beteiligte:

    Erschienen in:

    Erscheinungsdatum :

    01.11.1987



    Medientyp :

    Sonstige


    Format :

    Keine Angabe


    Sprache :

    Englisch




    A dichroic subreflector for cassegrain antenna systems

    Hensell, R. L. / Lantz, P. A. | NTRS | 1964


    Dichroic Subreflector for Satellite Communications Antenna Applications

    Derneryd, A. G. / Ingvarson, P. / Johansson, F. S. et al. | British Library Conference Proceedings | 1989


    Antenna Subreflector Fed by a Line Source

    Brown, A. C., Jr. / Brunner, G. D. | NTRS | 1985


    Dual Gridded Subreflector Investigation

    Balling, P. / Rinous, P. / European Space Agency | British Library Conference Proceedings | 2005