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- W2550405941 abstract "The design and realization of a low-profile wideband dual-polarized patch antenna with high isolation and low cross polarization has been presented. The aperture-coupled antenna element has four layers of substrates. Two microstrip lines terminated with circular patches are printed on the backside of the bottom substrate for feeding the radiating patches, while on the other side is a ground plane with two offset H-shaped slots. One port is excited for horizontally polarized wave and the other one is for vertical polarization. Two slots are arranged in a ‘T’ configuration to achieve a high isolation of over 35 dB. A square radiating patch is printed on the top layer of a Duroid substrate which is placed above the ground plane. A piece of Rohacell foam with a thickness of 3mm and a permittivity of 1.06 is located above the Duroid substrate. A top radiating patch is printed on the bottom side of a top Duroid substrate. Thus, a wideband performance can be obtained due to the multilayer structure and the impedance matching can be improved by adjusting the dimensions of the circular patches and the slots. Further to reduce the cross polarization, two identical elements with one rotated by 180° are combined and each pair of single linearly polarized elements are fed out of phase. In addition, a four-element array with two mirrored two-element arrays has been investigated. The obtained results can confirm that, the proposed dual-polarized patch array can provide a wideband performance across 8.5–11 GHz with VSWR < 2. The isolation between the two ports is over 35 dB and the cross polarization level is less than −35 dB over the operating frequency band. Therefore, the proposed design technique is promising for X-band SAR applications." @default.
- W2550405941 created "2016-11-30" @default.
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- W2550405941 date "2016-08-01" @default.
- W2550405941 modified "2023-09-26" @default.
- W2550405941 title "Design of a wideband dual-polarized stacked patch antenna with high isolation and low cross polarization for X-band applications" @default.
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- W2550405941 doi "https://doi.org/10.1109/piers.2016.7734628" @default.
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