Mathematical numerical model accurately predicts effects of systematic distortions on radiation pattern of reflector antenna. Techniques for predicting radiation patterns developed previously for reflectors with perfect surfaces and surfaces with random deviations from perfection. New model treats reflectors distorted by thermal, gravitational, and dynamic effects. Diffraction analysis of reflector antenna depends on interpolation of surface description for farfield radiation integral. Local interpolation scheme uses bicubic or higher order polynomial approximation of surface to express desired surface point in terms of nearby known surface points.


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    Title :

    Calculating Effects of Reflector-Antenna Distortions


    Contributors:

    Published in:

    Publication date :

    1987-02-01



    Type of media :

    Miscellaneous


    Type of material :

    No indication


    Language :

    English





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