AN ULTRA-WIDEBAND ANTENNA FOR THE REINFORCED CONCRETE DETECTION

被引：0

作者：

Shao Jinjin ^{[1
,2
]}

Xia Zhenghuan ^{[1
,2
]}

Ji Yicai ^{[1
]}

Fang Guangyou ^{[1
]}

Yin Hejun ^{[3
]}

机构：

[1] Key Laboratory of Electromagnetic Radiation and Sensing Technology

来源：

Journal of Electronics(China) | 2013年 / 30卷 / 06期

关键词：

Ultra-Wideband(UWB) antenna; Cavity; Balun; Voltage Standing Wave Ratio(VSWR);

D O I：

暂无

中图分类号：

TN822.8 []; TU375 [钢筋混凝土结构];

学科分类号：

080904 ; 081304 ; 081402 ;

摘要：

In this paper,an Ultra-Wideband(UWB) planar antenna is proposed for the reinforced concrete detection,which consists of a pair of planar waterdrop arms,a microstrip to coplanar parallel-strips transition and a shallow rectangular cavity.In order to overcome the disadvantages of the shallow cavity,some absorbing material is loaded to weaken the narrow-band effect of the cavity and the crosstalk interference.The simulated and measured results show that the proposed antenna has a large bandwidth from 0.48 GHz to 3.6 GHz with Voltage Standing Wave Ratio(VSWR) below 2 and a fractional bandwidth about 200% under the center frequency of 1.6 GHz,directional radiation characteristics and small late-time ringing in the time domain,which can be suitable for nondestructive detection of the reinforced concrete.

引用

页码：547 / 552

页数：6

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