研究目的
Designing a reconfigurable rasorber with switchable transmission/reflection band for radar cross section (RCS) reduction applications.
研究成果
The proposed reconfigurable rasorber successfully demonstrates the ability to switch between transmission and reflection bands along with a wide absorption band, making it suitable for RCS reduction applications. The design's performance is validated through both simulation and experimental results.
研究不足
The structure is polarization sensitive and the performance is stable only up to an incident angle of 30 degrees. The use of lossy FR4 material contributes to insertion loss.
1：Experimental Design and Method Selection:
The design involves two periodic layers separated by an air spacer, with the upper layer using lumped resistors for wide absorption band and the bottom layer using PIN diodes for switching operation.
2：Sample Selection and Data Sources:
The design is simulated and a prototype is fabricated for experimental verification.
3：List of Experimental Equipment and Materials:
Includes FR4 substrate, copper, lumped resistors, PIN diodes, and PCB spacer standoffs.
4：Experimental Procedures and Operational Workflow:
The prototype is fabricated using standard PCB technology, with lumped resistors and PIN diodes soldered onto the layers. The performance is measured using free space technique with broadband horn antennas connected to a network analyzer.
5：Data Analysis Methods:
The performance is evaluated based on reflection and transmission coefficients measured across different frequencies and biasing states of the PIN diodes.
独家科研数据包，助您复现前沿成果，加速创新突破
获取完整内容
