Superstrate-Based Beam Scanning of a Fabry-Perot Cavity Antenna

被引：17

作者：

Sultan, Farooq ^{[1
]}

Mitu, Sheikh Sharif Iqbal ^{[2
]}

机构：

[1] KFUPM, TTIE, Innovat Ctr, Dhahran 31261, Saudi Arabia

[2] KFUPM, Dept Elect Engn, Dhahran 31261, Saudi Arabia

来源：

IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS | 2016年 / 15卷

关键词：

Antenna; beam scan; Fabry-Perot; ferrite; superstrate; DESIGN;

D O I：

10.1109/LAWP.2015.2499261

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：

Incorporating phased array technique to scan the main beam of a Fabry-Perot cavity (FPC) antenna produces sidelobes proportional to the scan angle. An alternative dielectric-ferrite superstrate-based scan mechanism with controlled sidelobe level is presented in this letter. A beam scan of 24 degrees is demonstrated by axially magnetizing the ferrite part of the superstrate with Delta H = 0.25 T. Stepped dielectric part of the superstrate is optimized to reduce the sidelobe level of the FPC antenna by 4.49 dB. The fabricated antenna is tested to verify the simulated radiation patterns and reflection responses. The requirement of magnetic biasing can be considerably reduced using LTCC technology, where biasing coils are embedded within the ferrite superstrate.

引用

页码：1187 / 1190

页数：4

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