Out-of-Plane Fed Elliptical Slot Array for Microwave Imaging

被引：5

作者：

Kharkovsky, Sergey ^{[1
]}

Ghasr, Mohammad Tayeb ^{[2
]}

Kam, Keong ^{[3
]}

Abou-Khousa, Mohamed A. ^{[4
]}

Zoughi, Reza

机构：

[1] Univ Western Sydney, Inst Infrastruct Engn, Penrith, NSW 2751, Australia

[2] Missouri Univ Sci & Technol, Dept Elect & Comp Engn, Appl Microwave Nondestruct Testing Lab, Rolla, MO 65409 USA

[3] Missouri Univ Sci & Technol, Dept Elect & Comp Engn, Electromagnet Compatibil Lab, Rolla, MO 65409 USA

[4] Univ Western Ontario, Robarts Res Inst, Imaging Res Labs, London, ON, Canada

来源：

IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION | 2013年 / 61卷 / 10期

关键词：

Array; coplanar waveguide; imaging; microwave; modulated scatterer technique; out-of-plane microstrip feed; resonant slot; sensing; COUPLED MICROSTRIP ANTENNA; FEED;

D O I：

10.1109/TAP.2013.2271491

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：

In this communication, a new approach for feeding a PIN diode-loaded resonant elliptical slot used in microwave imaging arrays for nondestructive testing applications is considered. The proposed feed is based on coupling the transmitted and received signals into the slot using an out-of-plane (perpendicular) microstrip line. An imaging array prototype with this slot, a 90 degrees-bent microstrip-line feed and a coplanar waveguide (CPW) to microstrip line transition was designed and experimentally validated. The design readily accommodates placement of the switching and PIN diode biasing networks on the feeding plane using CPWs, enabling one-sided imaging measurements. The relevant design steps and imaging results obtained with this prototype, in mono-static and bi-static modes, are presented.

引用

页码：5311 / 5314

页数：4

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