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Amplitude controlled reflectarray using non-uniform FSS reflection plane

Jianfeng Li, Qiang Chen, K. Sawaya, Qiaowei Yuan
2011 2011 IEEE International Symposium on Antennas and Propagation (APSURSI)  

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A novel concept using non-uniform frequency selective surface (FSS) backed as a reflection plane for amplitude controlled reflectarray is proposed. First, a modified square-loop FSS element with broad reflection response band (from -22dB to 0dB) is designed. Then, a non-uniform FSS using the modified square-loop element is backed as a reflection plane for reflectarray. By properly controlling each element size of the FSS, the reflection amplitude from the reflectarray element can be
more » ... controlled and amplitude controlled reflectarray can be realized. A reflectarray using Dolph-Tschebyscheff weighting coefficients is implemented and a major-lobe to sidelobe ratios of up to 22 dB is obtained.
doi:10.1109/aps.2011.5996945 fatcat:3solqavejfe4fkesag3oyup45e
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Jianfeng Li, Qiang Chen, K. Sawaya, Qiaowei Yuan. "Amplitude controlled reflectarray using non-uniform FSS reflection plane." 2011 IEEE International Symposium on Antennas and Propagation (APSURSI) (2011)