Surface measured with accuracy better than 10 to the negative fifth power times diameter. Report describes use of advanced close-range photogrammetry to determine deviations of 34-m-diameter antenna main reflector and subreflector from nominal paraboloidal shapes. Measurements enable removal of linear offsets and angular misalignments of subreflector, with consequent increase of 4 percent in aperture efficiency.


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    Title :

    Photogrammetry Of A Parabolic Antenna


    Contributors:

    Published in:

    Publication date :

    1988-10-01



    Type of media :

    Miscellaneous


    Type of material :

    No indication


    Language :

    English




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