A Novel C/Ku Dual-Band Dual-Polarized Shared Aperture Antenna for SAR Applications
2018
In this paper, with the use of dielectric resonator antennas (DRA), a novel C/Ku band dual liner polarized shared aperture subarray is designed for SAR applications. Cross placed dual polarized printed dipoles are used for C band and several techniques is implemented for broaden the bandwidth. Ku band is consist of 4 hybrid fed, “pair-wise, anti-phase” placed dual polarized DRAs for better isolation and low cross polarization. Simulation data show that good bandwidth, polarization-isolation and radiation performance are got, and this subarray is able to be scaled to a larger radiating aperture.
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