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The advantages of broad band and high efficiency make CBSA (cavity-backed slot antenna) a potential alternative for modern SAR (Synthetic Aperture Radar) systems. Therefore, a broadband CBSA is proposed for dual-polarization SAR system. By adopting double-layer wide slots and strip-lines feed, dual-polarization is achieved while still maintaining broad bandwidth. To enhance the antenna integration,...
A novel wideband cavity-backed slot antenna operating at X-band is proposed. Compared to conventional cavity-backed slot antennas, both the bandwidth and gain of the proposed antenna are significantly increased by adding a multilayer dielectric cover. This antenna offers a 40% (dB) impedance bandwidth. Meanwhile, the gain of a single antenna within this band is 6–9.5...
To meet the omnidirectional and high gain requirements of wireless local area networks (WLAN) communication systems, a centrally probe-fed cylindrical dielectric resonator antenna (DRA) with a cone ground is proposed. Generally, most of the DRA is set on a metallic ground plane with a suitable size. However, the maximum radiation direction may deviate from the intended horizontal direction and the...
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