Planar array antenna for ultra wideband microwave imaging system

A. Abbosh, B. Mohammed, M. Bialkowski
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引用次数: 11

Abstract

This paper reports the design of a planar antenna array for an ultra-wideband (UWB) microwave imaging system aimed for the operation in the band from 3.1 GHz to 10.6 GHz. The proposed planar array includes 6 × 2 UWB antenna elements in the form of compact (22 mm × 40 mm) corrugated tapered slot antennas (TSAs). The antenna elements are designed to operate in a coupling medium to improve the matching with the imaged object, and thus to increase the dynamic range of the imaging system. They are covered with a dielectric material to protect them from the adverse effects of the coupling liquid. The designed array is tested in the presence of a multilayer phantom representing an imaged object. The simulation performance of the designed array shows good impedance match and low mutual coupling of its elements and thus its readiness for use in UWB imaging system.
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超宽带微波成像系统平面阵列天线
设计了一种用于3.1 GHz ~ 10.6 GHz波段工作的超宽带微波成像系统的平面天线阵列。提出的平面阵列包括6 × 2 UWB天线元件,其形式为紧凑的(22 mm × 40 mm)波纹锥形槽天线(tsa)。天线元件被设计成在耦合介质中工作,以提高与成像对象的匹配,从而增加成像系统的动态范围。它们被电介质材料覆盖,以保护它们免受耦合液体的不利影响。设计的阵列在代表成像对象的多层幻像存在下进行了测试。仿真结果表明,所设计的阵列具有良好的阻抗匹配性和低互耦性,可用于超宽带成像系统。
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