On the Correction of the Probe Positioning Errors in a Non-Redundant Bi-Polar Near to Far-Field Transformation

Authors

  • F. D’Agostino Department of Industrial Engineering University of Salerno, via Giovanni Paolo II, 132 - 84084 Fisciano, Italy
  • F. Ferrara Department of Industrial Engineering University of Salerno, via Giovanni Paolo II, 132 - 84084 Fisciano, Italy
  • C. Gennarelli Department of Industrial Engineering University of Salerno, via Giovanni Paolo II, 132 - 84084 Fisciano, Italy
  • R. Guerriero Department of Industrial Engineering University of Salerno, via Giovanni Paolo II, 132 - 84084 Fisciano, Italy
  • M. Migliozzi Department of Industrial Engineering University of Salerno, via Giovanni Paolo II, 132 - 84084 Fisciano, Italy

Keywords:

Antenna measurements, bi-polar near to far-field transformation, non-redundant sampling representations, positioning errors correction

Abstract

An effective procedure allowing one to correct the positioning errors in a bi-polar near to farfield transformation (NTFFT) technique, that requires a minimum number of near-field (NF) data, has been here assessed from the experimental viewpoint. This NTFFT utilizes an optimal sampling interpolation formula, got by considering the antenna under test as contained in an oblate spheroid and applying the non-redundant sampling representation to the probe measured voltage, to precisely determine the NF data needed by the standard NTFFT with plane-rectangular scan from the voltages at the points prescribed by the sampling representation. These voltages are not known and are accurately recovered from the positioning errors affected measured ones by applying an efficient singular value decomposition based technique.

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Published

2021-07-18

How to Cite

[1]
F. D’Agostino, F. Ferrara, C. Gennarelli, R. Guerriero, and M. Migliozzi, “On the Correction of the Probe Positioning Errors in a Non-Redundant Bi-Polar Near to Far-Field Transformation”, ACES Journal, vol. 33, no. 12, pp. 1374–1382, Jul. 2021.

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