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A novel method is proposed to design a single layer large printed reflectarray with multi cross loop elements of variable loop length for broadband operation. Different classes of cross loop elements were used in the design and optimization of this reflectarray. The dimensions of these cross loops are adjusted using an optimization technique to achieve the required phase distribution in a given frequency...
The objective of this paper is to carry out design and analysis of a Ka-band, FSS-backed reflectarray for dual band X/Ka-band application. In this design, broadband ring structure has been utilized as the cell element of the reflectarray and a single loop was used for the construction of the FSS-backed reflectarray which replaces the reflectarray ground plane. Prototypes of this FSS-backed reflectarray...
A design procedure and experimental results are presented for a high-gain dual-band, circularly-polarized (CP) reflectarray antenna with a Cassegrain feed, operating at Ku/Ka-band (Tx=30 GHz, Rx=20 GHz). The performance of this Cassegrain reflectarray antenna is compared with other CP reflectarray antennas designed by the authors of this paper. A transmit gain of 38 dBic and a received gain of 36...
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