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September 12, 2025Sensors2 citationsOpen Access

Two-Step Procedure for Non-Redundant Spherical Near-Field Sample Retrieval

An Effective Two-Step Procedure Allowing the Retrieval of the Non-Redundant Spherical Near-Field Samples from the 3-D Mispositioned Ones

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Authors

FDFrancesco D’AgostinoFFFlaminio FerraraCGClaudio Gennarelli

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Overview

This method improves spherical near-field to far-field transformations in quasi-planar antennas, indicating enhanced accuracy for mispositioned samples.

Key Points

  • The procedure effectively retrieves non-redundant spherical near-field samples, even when initially mispositioned.
  • Phase correction using spherical wave correction compensates for misalignment in sample collection due to mechanical defects.
  • An iterative approach restores the original arrangement of near-field samples, addressing errors from 3-D mispositioning.
  • Numerical results demonstrate the high precision in both near-field and far-field reconstructions achieved through this method.

Cite This Study

D’Agostino et al. (2025) studied this question.

synapsesocial.com/papers/68d44f7331b076d99fa56a3dhttps://doi.org/10.3390/s25185626
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