An experimental validation of a direct near-field - far-field (NF-FF) transformation with cylindrical scanning for electrically long antennas requiring a minimum number of measurements is presented. Such a transformation relies on a nonredundant sampling representation using a prolate ellipsoidal modelling of the antenna under test and allows the evaluation of the antenna far field directly from the nonredundant near-field data without interpolating them. Its validity is assessed by the good agreement between the so recovered far-field patterns and those obtained via the classical cylindrical NF-FF transformation.

Experimental Validation of the Direct NF-FF Transformation with Cylindrical Scanning for Long Antennas

D'AGOSTINO, Francesco;FERRARA, Flaminio;GENNARELLI, Claudio;GENNARELLI, GIANLUCA;GUERRIERO, ROCCO;MIGLIOZZI, MASSIMO
2011-01-01

Abstract

An experimental validation of a direct near-field - far-field (NF-FF) transformation with cylindrical scanning for electrically long antennas requiring a minimum number of measurements is presented. Such a transformation relies on a nonredundant sampling representation using a prolate ellipsoidal modelling of the antenna under test and allows the evaluation of the antenna far field directly from the nonredundant near-field data without interpolating them. Its validity is assessed by the good agreement between the so recovered far-field patterns and those obtained via the classical cylindrical NF-FF transformation.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11386/3094066
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