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Dual-Polarized and Wide-Angle Scanning Microstrip Phased Array

Ya-Qing Wen, Steven Gao, Bing-Zhong Wang, Qi Luo
2018 IEEE Transactions on Antennas and Propagation  
In this paper, a novel microstrip phased array with dual-polarized and wide-angle scanning in the 2-dimensional (2D) space is proposed. The antenna element consists of a mushroom-shaped patch and two circular patches. Each circular patch is connected with one feeding port. The mushroomshaped patch is excited via capacitive coupling through the gaps between the mushroom-shaped patch and the circular patch. The zeroth-order resonance (ZOR) and TM010 mode resonance are simultaneously generated in
more » ... ously generated in the mushroom-shaped patch. The 3dB beamwidth of the antenna element in the 2D space is in the range between 110° and 125°. One 6×6 phased array based on the antenna element is designed, fabricated and measured. The phased array shows dual-polarized wide-angle beam scanning in a range of ±66° in both x-z and y-z planes.
doi:10.1109/tap.2018.2835521 fatcat:gomv6p2p7fdz7mvzgu5df3mbdi