Miniaturized coplanar Vivaldi antenna design for brain imaging

被引：0
|
作者：
Uyanik, Cafer [1 ]
Demirel, Salih [2 ]
Akduman, Ibrahim [1 ]
机构：
[1] Istanbul Tech Univ, Elect & Elect Engn Fac, Istanbul, Turkiye
[2] Yildiz Tech Univ, Elect & Elect Engn Fac, Istanbul, Turkiye
来源：
MICROWAVE AND OPTICAL TECHNOLOGY LETTERS | 2023年 / 65卷 / 07期
关键词：
coplanar Vivaldi antenna; microwave imaging; ultra-wideband (UWB);
D O I：
10.1002/mop.33660
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 developed a miniaturized coplanar Vivaldi antenna (M-CPVA) for microwave imaging applications. First, a conventional coplanar Vivaldi antenna (CPVA) was designed. Then, the M-CPVA was developed by properly cropping the exponential flares. The impedance bandwidth and near-field electric field distribution of the M-CPVA were improved as compared to the conventional CPVA. In particular, the designed M-CPVA was 58.6 x 92 x 1.6 mm(3) in size and operated from 1 to 7.5 GHz, corresponding to a fractional bandwidth of 152%. Last, the produced M-CPVA was tested in a microwave imaging system for continuous monitoring of brain strokes. The stability and accuracy of the imaging results imply that the proposed antenna could be useful for microwave brain stroke monitoring applications.
引用
收藏
页码：2076 / 2083
页数：8
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