A Planar Wideband Millimeter-Wave Antenna Array With Low Sidelobe Using ‘±1’ Excitations

IEEE Transactions on Antennas and Propagation（2021）

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摘要

A new method is proposed to suppress the sidelobe level (SLL) of antenna array. Different from the conventional amplitude-tapered excitation method, ‘±1’ excitations are used to feed the antenna array and achieve low SLL. The SLL is first optimized by using a modified binary particle swarm optimization algorithm with ideal ‘±1’ excitations. Then, the ideal ‘±1’ excitations are replaced with micros...

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关键词

Antenna arrays,Bandwidth,Dipole antennas,Feeds,Microstrip,Planar arrays,Substrates

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