A wideband orthogonally polarized resonant cavity antenna (RCA) with double-layer Jerusalem Cross type partially reflective surface (PRS) as superstrate is presented in this paper. The PRS is analyzed using equivalent circuit modelling and full wave simulations. Two-port dual-polarized aperture coupled microstrip patch has been used as primary feed antenna. Measured results show that the antenna structure exhibits 10 dB return loss bandwidth of 14.7% at 10 GHz (9.4-10.9 GHz), and the isolation between the feeding ports is better than 18 dB over the bandwidth. The cross-polarization levels in both E and H planes are better than 15 dB. The peak directivity of the antenna is 13 dBi in the entire band. The antenna is suitable for marine and weather Radar applications.
"Wideband Orthogonally Polarized Resonant Cavity Antenna with Dual Layer Jerusalem Cross Partially Reflective Surface," Progress In Electromagnetics Research C,
Vol. 72, 105-113, 2017. doi:10.2528/PIERC17011103
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