Numerical Simulation of Probe Transverse Errors in Spherical Near-Field Antenna Measurements

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Abstract

Every antenna measurement has an associated uncertainty, and the estimation of this uncertainty, when performed experimentally, may be more time-consuming than the nominal measurement. In this work, we investigate and test a new method for the numerical estimation of the uncertainty originating from a probe transverse error in spherical near-field antenna measurements, i.e. an improper positioning of the probe with respect to the measurement coordinate system. The method we propose exploits the spatial positioning of the probe when an error of this type is present in order to acquire the error signals numerically through the signals acquired in the nominal measurement. As a result, our method is considerably faster, since it does not require additional full-sphere measurements and, moreover, it does not occupy the antenna under test for any additional time than that required for its nominal measurement.
Original languageEnglish
Title of host publicationProceedings of the 17th European Conference on Antennas and Propagation (EuCAP)
Number of pages5
PublisherIEEE
Publication date2023
DOIs
Publication statusPublished - 2023
Event17th European Conference on Antennas and Propagation - Florence, Italy
Duration: 26 Mar 202331 Mar 2023

Conference

Conference17th European Conference on Antennas and Propagation
Country/TerritoryItaly
CityFlorence
Period26/03/202331/03/2023

Keywords

  • Antenna
  • Measurement
  • Uncertainty
  • Estimation

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