研究目的
To present a compact and single layer UWB FSS band-stop ?lter for electromagnetic shielding of RF signals.
研究成果
The proposed single layer and compact UWB band-stop FSS provides a UWB response with a bandwidth of 11.94 GHz from 5.24 to 17.18 GHz and stable frequency response at oblique incidences for both TE and TM polarizations. It can be used for shielding of WLAN signals, radar signals, and Ku-band, as well as in antenna applications to increase directivity.
研究不足
The performance of the proposed FSS design is evaluated through simulations; experimental validation is not discussed.
1：Experimental Design and Method Selection:
The design involves a square-loop and a ring printed on opposite sides of a low-cost FR-4 substrate to achieve UWB response.
2：Sample Selection and Data Sources:
The dimensions of the proposed FSS unit cell are 10×10 mm
3：List of Experimental Equipment and Materials:
FR-4 substrate with thickness h=
4：6 mm and relative permittivity εr=4, perfect conductors with a thickness of 35 μm. Experimental Procedures and Operational Workflow:
Simulation in Ansys HFSS with periodic boundary conditions of a unit cell.
5：Data Analysis Methods:
Analysis of transmission coefficient and phase response for different angles of incidence and polarizations.
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