Frequency-Selective Rasorber With Tri-Resonant Absorption Band
2019 IEEE INTERNATIONAL SYMPOSIUM ON ANTENNAS AND PROPAGATION AND USNC-URSI RADIO SCIENCE MEETING(2019)
摘要
In this paper, a rasorber with broadband absorption response is presented. The absorption band is located below the transmission window, and a good absorptivity is achieved. Cross-frame and cross-slot FSSs are employed to fulfill the desired rasorber performance. Triresonant behavior is obtained by the lossy cross-frame array and used to consume the wide-band incident power. Furthermore, a stable absorption performance is achieved until 50 degrees incident angle. The current distribution and simulated results are given to illustrate the operating mechanism of the presented design.
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关键词
frequency-selective rasorber, wide-band absorption, transmission window, tri-resonant
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