Wideband and Low-loss Beam-Scanning Circularly Polarized LWA Based on Air-filled SIW

Rentang Hong,Jiaqi Shi,Dongfang Guan,Wenquan Cao,Zuping Qian

IEEE Antennas and Wireless Propagation Letters（2021）

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摘要

In this letter, a wideband beam-scanning antenna with circular polarization (CP) characteristics is proposed. The antenna is designed based on an air-filled substrate-integrated waveguide (SIW), which is composed of three layers of printed circuit board. Since the medium is dug out, the transmission structure has low-loss characteristics. An array of slots is etched on the top layer as radiating e...

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关键词

Broadband antennas,Propagation losses,Broadband communication,Antennas,Substrates,Gain,Wideband

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