Design of a Dual-Band Dual-Polarization Array Antenna with Improved Bandwidth for AMRFC Radar Application

Youngki LEE; Deukhyeon GA; Daesung PARK; Seokgon LEE; Jaehoon CHOI

doi:10.1587/transcom.E96.B.182

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Design of a Dual-Band Dual-Polarization Array Antenna with Improved Bandwidth for AMRFC Radar Application

Youngki LEE, Deukhyeon GA, Daesung PARK, Seokgon LEE, Jaehoon CHOI

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Keywords: dual-band, dual-polarization, bandwidth, AMRFC, radar

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2013 Volume E96.B Issue 1 Pages 182-189

DOI https://doi.org/10.1587/transcom.E96.B.182

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Abstract

A dual-band dual-polarization array antenna with improved bandwidth for an advanced multi-function radio function concept (AMRFC) radar application is proposed. To improve the S-band impedance bandwidth, the proposed antenna uses modified coupling feed patch. The measured bandwidth of the prototype array is 19.8% and 25.7% for the S- and X-band, respectively. The isolation between the two orthogonal polarizations is higher than 15dB and cross-polarization level is less than -17dB for both S- and X-bands.

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