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Model-based parameter estimation of antenna radiation pattern frequency spectra

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4 Author(s)
R. J. Allard ; Appl. Res. Lab., Pennsylvania State Univ., State Coll., PA, USA ; D. H. Werner ; J. S. Zmyslo ; P. L. Werner

Model-based parameter estimation (MBPE) techniques that use a rational function fitting model with complex coefficients have been shown to yield approximations which accurately describe the frequency dependence of antenna characteristics such as input impedance or admittance. We apply MPBE to the radiated electric field of a 0.5 m dipole and use the rational function fitting model to interpolate the electric field spectrum of this antenna over the interval 190 to 950 MHz. A method is presented for using these electric field interpolations in conjunction with the associated impedance interpolations in order to reconstruct gain patterns at any frequency within this model range.

Published in:

Antennas and Propagation Society International Symposium, 1998. IEEE  (Volume:1 )

Date of Conference:

21-26 June 1998