A Fern Antipodal Vivaldi Antenna for Near-Field Microwave Imaging Medical Applications

Alexandre Maniçoba de Oliveira,Antonio Mendes de Oliveira Neto,Marcelo Bender Perotoni,N. Nurhayati,Henri Baudrand,Arnaldo de Carvalho,João Francisco Justo

IEEE Transactions on Antennas and Propagation（2021）

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摘要

This investigation presents an oval slot edge (OSE) antipodal Vivaldi antenna (AVA), hereinafter referred to as Fern AVA (FAVA), with an optimized radiation pattern. The use of OSE provided improvements in the antenna characteristics, especially regarding a lower frequency limit reduction, an increase in the main lobe (ML) gain, and the sidelobe level (SLL) reduction. Those contrasting characteris...

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关键词

Microwave antennas,Gain,Microwave imaging,Microwave theory and techniques,Vivaldi antennas,Directive antennas,Antennas

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