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https://doi.org/10.1109/MAP.2017.2655561

has been cited by the following article:

• TITLE: Aperture Efficiency Study of Square Reflect Array Antennas

  AUTHORS: Javad Nourinia, Changiz Ghobadi, Bahman Mohammadi, Farzad Alizadeh

  KEYWORDS: Aperture Efficiency, Limited Phase-Range Error, Quantization-Phase Error, Reflect array Antennas, Square Aperture

  JOURNAL NAME: Wireless Engineering and Technology, Vol.9 No.3, July 20, 2018

  ABSTRACT: This paper presents a detailed study of square reflect array (RA) antenna aperture efficiency (ηa). Effects of quantization-phase and limited phase-range errors on radiation pattern, half-power beam width (HPBW) and ηa for different feed locations are investigated. Results show an in-crease in side-lobe levels (SLLs) and a slightly reduction in ηa with quantization-phase augmentation or element phase-range reduction, however, the effects on HPBW are negligible. Nevertheless, the degradation in ηa is negligible when the quantization-phase is lower than 30° or phase-range is more than 300°. Parametric studies have been carried out to provide design guidelines to maximize ηa. It is perceived that the offset-angle plays an important role to determine ηa, especially for feed with narrow beam width.