An Effective Iterative Algorithm to Correct the Probe Positioning Errors in a Non-Redundant Plane-Rectangular Near-Field 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, non-conventional plane-rectangular scanning, non-redundant sampling representations, plane-rectangular near-field to far-field transformation, positioning errors compensation

Abstract

An algorithm for the effective compensation of known positioning errors, affecting the samples acquired by the probe in a non-redundant plane-rectangular (PR) near-field to far-field (NFFF) transformation, is presented and fully assessed by experimental tests. This transformation adopts a non-conventional PR scan, named planar wide-mesh scan (PWMS), characterized by meshes widening more and more as their distance from the measurement plane center increases, and uses a nonredundant sampling representation of the probe voltage. Such a representation is obtained by considering the antenna as contained in an oblate spheroid, to precisely determine the input NF data for the traditional PR NFFF transformation from the PWMS samples. These samples are unavailable in presence of positioning errors, but, as it will be shown, can be effectively retrieved from the errors affected ones by applying an iterative procedure.

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Published

2019-11-01

How to Cite

[1]
F. D’Agostino, F. Ferrara, C. Gennarelli, R. Guerriero, and M. Migliozzi, “An Effective Iterative Algorithm to Correct the Probe Positioning Errors in a Non-Redundant Plane-Rectangular Near-Field to Far-Field Transformation”, ACES Journal, vol. 34, no. 11, pp. 1662–1670, Nov. 2019.

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