MMW Sensor for Hidden Targets Detection and Warning Based on Reflection/Scattering Approach

被引：21

作者：

Elboushi, Ayman ^{[1
]}

Sebak, Abdel ^{[1
]}

机构：

[1] Concordia Univ, Dept Elect & Comp Engn, Montreal, PQ H3G 1M8, Canada

来源：

IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION | 2014年 / 62卷 / 09期

关键词：

Bi-static radar; hidden weapons detection; high gain antenna; hybrid antenna; microwave Imaging; millimeter wave (MMW); reflection/scattering; scanning sensor; ANTENNA;

D O I：

10.1109/TAP.2014.2336655

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：

An antenna sensor for millimeter wave (MMW) hidden target detection and warning applications is introduced. The sensor consists of three adjacent high gain microstrip/horn hybrid antenna elements. The central antenna acts as bi-static radar, while the two side antennas are used to receive the scattered back signals from a hidden object. The proposed antenna sensor has been employed in a detection/imaging system prototype based on time domain reflectometry (TDR). A very short pulse generated by a vector network analyzer is used to illuminate a three layers body model made from cotton, natural leather and reinforced papers. The model construction is chosen to emulate the presence of human body. Experimental scanning of a hidden metallic target has been conducted for three different orientations of the target. Compared to a single antenna sensor, the triple sensor shows a great enhancement in the detection ability and the constructed image resolution of a hidden target.

引用

页码：4890 / 4894

页数：5

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