Amplitude and phase measurements help characterize nearly paraboloidal reflectors. Deviation of microwave reflector from ideal paraboloidal shape deduced from far-field amplitude and phase measurements with help of theoretical technique referred to as microwave holographic metrology. Technique enables estimation of antenna-surface figure from measurements taken at prescribed number of field points. After determining amount of surface deviation, performance of antenna then improved by properly adjusting surface panels.


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    Title :

    Estimating Antenna Shape From Far-Field Measurements


    Contributors:

    Published in:

    Publication date :

    1985-10-01



    Type of media :

    Miscellaneous


    Type of material :

    No indication


    Language :

    English





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