Broadband Printed Compound Air-Fed Array Antennas

被引：36
|
作者：
Wu, Zhi-Hang [1 ]
Zhang, Wen-Xun [1 ]
机构：
[1] Southeast Univ, State Key Lab Millimeter Waves, Nanjing 210096, Peoples R China
来源：
IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS | 2010年 / 9卷
关键词：
Air-fed array antenna; broadband printed antenna; Fabry-Perot resonator (FPR) antenna; frequency selective surface (FSS); high impedance surface (HIS); HIGH-GAIN; EBG; BANDWIDTH; CAVITY;
D O I：
10.1109/LAWP.2010.2045470
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：
The printed compound air-fed array (PCAFA) is an improved Fabry-Perot resonator (FPR) antenna, which exhibits wider bandwidth and higher aperture efficiency than traditional FPR antennas because the nonuniform phase and magnitude of field distribution on aperture are partly compensated in design. This letter proposes an essential method to enhance the gain bandwidth while keeping the high gain and aperture efficiency by means of forming a flattened gain-frequency response to enlarge the (gain x bandwidth) product. The detailed design example for 14 GHz is analyzed using CST-2006 simulator and tested in an anechoic chamber. The full-wave simulated results exhibit 19.1 dBi peak gain corresponding to 71% aperture efficiency and 9.9% bandwidth for -1 dB gain-drop or 14.1% bandwidth for -3 dB gain-drop. The measured data are in good agreement with the simulation.
引用
收藏
页码：187 / 190
页数：4
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