A computer program is presented that can assess the impact of small, random design perturbations on the performance of a planar array antenna of dipoles. Expressions for the expected or average radiation pattern and the change in directivity for a perturbed planar array are developed and used in the program. Translational errors in the positions of the elements, errors in the element's drive amplitude and phase, non-identical element patterns, and missing elements are accounted for in the expected radiation pattern. The user specifies the array's design parameters to include the number of elements in each direction of the array, interelement spacing, aperture distribution, the dipole's orientation and length, and the tolerance data. The program calculates data points to allow plotting the radiation pattern in the two principal planes of the array, half-power beamwidths, and directivities for specified scan angles and frequency bandwidth for the design and expected arrays. The radiation pattern data can be plotted allowing side lobe comparison between the expected and design arrays.


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    Titel :

    Planar array antenna design analysis


    Weitere Titelangaben:

    Entwurfsanalyse einer planaren Arrayantenne


    Beteiligte:
    Chrisman, B.P. (Autor:in)


    Erscheinungsdatum :

    1990


    Format / Umfang :

    27 Seiten, 24 Quellen


    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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