An experimental validation of the new near-field - far-field transformation technique with helicoidal scan, which allows one to reduce the time needed for the near-field data acquisition, is here presented. Such a transformation, based on the theoretical results concerning the nonredundant sampling representations of the electromagnetic fields, employs a two-dimensional optimal sampling interpolation formula for the reconstruction of the nearfield data required by the near-field - far-field transformation with cylindrical scan. The validity of the technique is assessed by comparing the reconstructions obtained from the data directly measured on the classical cylindrical grid with that recovered from nonredundant measurements acquired on the helix.

Near-field-far-field transformation with helicoidal scan: an experimental validation

D'AGOSTINO, Francesco;FERRARA, Flaminio;GENNARELLI, Claudio;GUERRIERO, ROCCO;MIGLIOZZI, MASSIMO;RICCIO, Giovanni
2008-01-01

Abstract

An experimental validation of the new near-field - far-field transformation technique with helicoidal scan, which allows one to reduce the time needed for the near-field data acquisition, is here presented. Such a transformation, based on the theoretical results concerning the nonredundant sampling representations of the electromagnetic fields, employs a two-dimensional optimal sampling interpolation formula for the reconstruction of the nearfield data required by the near-field - far-field transformation with cylindrical scan. The validity of the technique is assessed by comparing the reconstructions obtained from the data directly measured on the classical cylindrical grid with that recovered from nonredundant measurements acquired on the helix.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11386/3023860
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