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Electronically Steerable planer Phased Array Antenna

Author(s): Amandeep Kaur

Journal: International Journal of Engineering Trends and Technology
ISSN 2231-5381

Volume: 3;
Issue: 6;
Start page: 708;
Date: 2012;
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Keywords: Phased array | Electronically steerable | Current Distribution

A planar phased-array antenna has been constructed from a 15x15 square grid of z-directed monopoles with a length of 0.475 λ, element spacing of 0.29 λ, average directivity of 20.0 dBi across all scan angles, an average H-plane HPBW of 37 degrees, an average E-plane HPBW of 23 degrees, and an efficiency of 99.6%. Two current distributions are tested: uniform and binomial. The binomial current distribution is selected to minimize the side lobe level.

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