A systematic study of varying reference phase in the design of circular Fresnel zone plate antennas

被引：17
|
作者：
Stout-Grandy, Sara M. [1 ]
Petosa, Aldo
Minin, Igor V.
Minin, Oleg V.
Wight, Jim
机构：
[1] Carleton Univ, Dept Elect, Ottawa, ON K1S 5B6, Canada
[2] Commun Res Ctr Canada, Adv Antenna Technol Lab, Ottawa, ON K2H 8S2, Canada
[3] Novosibirsk State Tech Univ, Dept Informat Protect, Novosibirsk 630092, Russia
[4] Carleton Univ, Dept Elect, Ottawa, ON K1S 5B6, Canada
来源：
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION | 2006年 / 54卷 / 12期
关键词：
Fresnel zone plate lens antennas; sidelobe level control;
D O I：
10.1109/TAP.2006.886552
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：
A circular Fresnel zone plate antenna was simulated using a finite difference time domain software to study the effect of changing the reference phase from the standard 0 degrees to any value between 0 degrees and 180 degrees. Several prototypes were built to validate the simulations using four different focal-length-to-diameter (F/D) ratios. It was found that a significant improvement in the level of the first sidelobe, up to about 9 dB according to the simulations, could be achieved without sacrificing gain or cross-polarization levels.
引用
收藏
页码：3629 / 3637
页数：9
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