A Unidirectional Cylindrical Conformal Monopole Antenna Designed for Impulse Radar System

被引：10

作者：

Li, Yan-Tao ^{[1
]}

Yang, Xiao-Lin ^{[1
]}

Li, Zhao-Bo ^{[1
]}

Wang, Lei ^{[1
]}

Yang, Hong-Chun ^{[1
]}

机构：

[1] Univ Elect Sci & Technol China, Sch Phys Elect, Chengdu 610054, Peoples R China

来源：

IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS | 2011年 / 10卷

关键词：

Distance measurement; ultrawideband (UWB) antennas; ultrawideband radar; unidirectional radiation; UWB ANTENNAS;

D O I：

10.1109/LAWP.2011.2178810

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：

A compact unidirectional cylindrical conformal monopole antenna with 40 mm diameter and 25 mm height is designed for an impulse radar system. The antenna is employed for radiating Gaussian monocycle with peak-peak width of 300 ps. Impedance loaded is adopted to achieve ultrawideband (UWB) impedance matching and unidirectional radiation. Simulations with CST Microwave Studio (CST MWS) and experiments have been conducted to assist with the characterization of the antenna. Simulation results and experimental data showed to be in good agreement. The impedance bandwidth is 0.67-2.15 GHz for S(11) <= -10 dB and covers the main range of the pulse spectrum. The front-to-back ratio of the amplitude of the received signal reaches about 3.5:1.

引用

页码：1397 / 1400

页数：4

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