Polarization Ratio Determination with Two Identical Linearly Polarized Antennas

Abstract

This paper describes a method for determining the complex polarization ratio using two identical, linearly polarized antennas. By Fourier transform analysis of S21 measurements with one of the antennas rotating about its axis a circular polarization ratio is derived which can be transformed into an equivalent linear polarization ratio. A linearly polarized reference antenna is not required. The technique was verified by electromagnetic simulations and illustrated by measurements in an anechoic chamber with two 3.3 GHz square patch antennas.

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Document Details

Document Type
Technical Report
Publication Date
Jan 17, 2017
Accession Number
AD1029148

Entities

People

  • Francis G. Willwerth
  • Herbert M. Aumann
  • Kristan A. Tuttle

Organizations

  • MIT Lincoln Laboratory

Tags

DTIC Thesaurus Topics

  • Acoustic Absorption
  • Air Force
  • Anechoic Chambers
  • Antenna Configurations
  • Circular Polarization
  • Communication Systems
  • Coordinate Systems
  • Dielectric Permittivity
  • Discrete Fourier Transforms
  • Electric Fields
  • Frequency
  • Linear Polarization
  • Materials
  • Measurement
  • Polarization
  • Simulations

Readers

  • Electromagnetic Wave Scattering and Antenna Radiation Engineering