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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
IEICE TRANSACTIONS on Communications
Publication Date: 2013/01/01
Online ISSN: 1745-1345
Print ISSN: 0916-8516
Type of Manuscript: PAPER
Category: Antennas and Propagation
dual-band, dual-polarization, bandwidth, AMRFC, radar,
Full Text: PDF(3.4MB)>>
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 15 dB and cross-polarization level is less than -17 dB for both S- and X-bands.