期刊
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION
卷 68, 期 3, 页码 1717-1725出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TAP.2019.2948736
关键词
Dipole antennas; electromagnetic cloaking; mantle cloaking; metasurfaces; receiving antennas; reconfigurable; metasurfaces scattering; waveform selective metasurfaces
资金
- research contract the Cloaking Metasurfaces for a New Generation of Intelligent Antenna System (MANTLES)
- Italian Ministry of Education, University and Research
We present the design of an innovative wire antenna able to automatically hide or reveal its presence depending on the waveform of the received/transmitted signal. This unconventional behavior is achieved through the use of a novel waveformselective cloaking metasurface exploiting a meander-like unit cell loaded with a lumped-element circuit capable to engineer the scattering of the antenna depending on the waveform of the impinging signal. Due to the time-domain response of the lumped-element circuit, the antenna is able switching its scattering behavior when interacts with either a pulsed wave (PW) or a continuous wave (CW) signal. The proposed configuration paves the way to a new generation of cloaking devices for intelligent antenna systems, extending the concept of antenna as a device capable to sense the external environment and change its electromagnetic behavior accordingly.
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