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In this paper, a X-band broadband antenna array with 4-elements is designed and fabricated. Firstly, various methods, such as multi-resonant and slot-coupling, are applied hybridly to broaden the bandwidth of the ordinary microstrip antenna element. Simulation results show that VSWR<2 bandwidth of the proposed antenna is over 50%, with center frequency of 10GHz. Then, in order to achieve high gain,...
A novel rectangular patch antenna was specifically designed using planar-patterned metamaterial concepts. The patterned metal patch and finite ground plane form a coupled capacitive-inductive (C-L) circuit of negative index metamaterial. For the wideband, high efficiency, low loss and low VSWR, the novel type of antenna is used to design meta array, the array still have bandwidth significantly broadened...
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