Design, Full-Wave Analysis, and Near-Field Diagnostics of Reflectarray Antennas

Authors

  • Payam Nayeri Center of Applied Electromagnetic Systems Research Department of Electrical Engineering University of Mississippi, University, MS 38677-1848, USA
  • Atef Z. Elsherbeni Center of Applied Electromagnetic Systems Research Department of Electrical Engineering University of Mississippi, University, MS 38677-1848, USA
  • Fan Yang Center of Applied Electromagnetic Systems Research Department of Electrical Engineering University of Mississippi, University, MS 38677-1848, USA , Microwave and Antenna Institute Electronic Engineering Department Tsinghua University, Beijing 100084, China

Keywords:

Far-field, near-field, radiation pattern, reflectarray

Abstract

This article presents a detailed procedure for design, modeling, full-wave simulation, and near-field diagnostics of reflectarray antennas, through a case study of a Ka-band reflectarray antenna with 437 elements. A comparison between analytical approaches and full-wave simulations for reflectarray radiation analysis is also presented, illustrating the necessity of full-wave approaches for an accurate analysis. Furthermore, the phase shift provided by the phasing elements, in the real reflectarray configuration, is analyzed by using the near-field data from the full-wave simulation. This provides a means to diagnose a designed reflectarray, and identify phasing elements that are not providing the required phase shift. The effectiveness of the diagnostic approach is demonstrated through numerical examples.

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Published

2021-10-06

How to Cite

[1]
P. . Nayeri, A. Z. . Elsherbeni, and F. . Yang, “Design, Full-Wave Analysis, and Near-Field Diagnostics of Reflectarray Antennas”, ACES Journal, vol. 28, no. 04, pp. 284–292, Oct. 2021.

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General Submission