Xiao Liu1,2, Anqi Li1,*, Zhongjun Yu1,2, Ting Lv3, Meng Li4, Zhen Zhang5
CMC-Computers, Materials & Continua, Vol.74, No.3, pp. 6411-6427, 2023, DOI:10.32604/cmc.2023.027124
Abstract As an important part of phased array system, the research on phased array antenna is very necessary. The phased array antenna achieves the scanning beam adaptively by regulating the phase difference between each array element. In this paper, a dual K-band circularly polarized antenna with high broadband, broadband beam, wide axial ratio bandwidth and high radiation efficiency is designed. We combine with the advantages of slot antenna and aperture antenna, use multimode waveguide cavity structure to design an aperture antenna, which is fed to waveguide circular polarizer by slot coupling in order to realize circular polarization radiation. Meanwhile, it has… More >
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