Single-Feed Quad-Beam Transmitarray Antenna Design

被引：64

作者：

Abdelrahman, Ahmed H. ^{[1
]}

Nayeri, Payam ^{[2
]}

Elsherbeni, Atef Z. ^{[2
]}

Yang, Fan ^{[3
]}

机构：

[1] Univ Arizona, Elect & Comp Engn Dept, Millimeter Wave Circuits & Antennas Lab, Tucson, AZ 85721 USA

[2] Colorado Sch Mines, Dept Elect Engn & Comp Sci, Golden, CO 80401 USA

[3] Tsinghua Univ, Dept Elect Engn, Microwave & Antenna Inst, Beijing 100084, Peoples R China

来源：

IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION | 2016年 / 64卷 / 03期

关键词：

Multibeam; particle swarm optimization (PSO); phase synthesis; transmitarray antenna; RECONFIGURABLE TRANSMITARRAY;

D O I：

10.1109/TAP.2016.2517660

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

We present a design methodology for single-feed multibeam transmitarray antennas through case studies of quad-beam designs. Different far-field pattern masks and fitness functions are studied for multibeam designs, and the particle swarm optimization (PSO) technique is implemented for aperture phase synthesis. A quad-layer configuration of double square loops is used for the transmitarray elements, and a quad-beam transmitarray prototype is fabricated and tested. The effects of various approximations in unit-cell analysis are also investigated in detail. The Ku-band prototype generates four symmetric beams with 50 degrees elevation separation between the beams and gains around 23 dB.

引用

页码：953 / 959

页数：7

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