| 超宽带阶梯形微带单极子天线的设计与研究 |
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| 引用本文： | 南敬昌,王明寰.超宽带阶梯形微带单极子天线的设计与研究[J].电波科学学报,2021,36(2):225-230. |
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| 作者姓名： | 南敬昌 王明寰 |
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| 作者单位： | 辽宁工程技术大学电子与信息工程学院，葫芦岛 125105 |
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| 摘 要： | 针对当前已有超宽带(ultra-wideband,UWB)微带单板子天线带宽窄、尺寸大等缺陷,设计了一款小型化UWB阶梯形微带单极子天线,采用开槽的矩形辐射贴片、阶梯形微带馈电线和缺陷地面结构(defected ground structure,DGS)实现良好的UWB特性.对天线的回波损耗、电压驻波比(voltage...
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| 关 键 词： | 小型化 超宽带(UWB) 阶梯形微带馈电线 单极子天线 缺陷地面结构(DGS) |
| 收稿时间： | 2019-11-17 |
Design and research of ultra-wideband stepped microstrip monopole antenna |
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| NAN Jingchang,WANG Minghuan.Design and research of ultra-wideband stepped microstrip monopole antenna[J].Chinese Journal of Radio Science,2021,36(2):225-230. |
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| Authors: | NAN Jingchang WANG Minghuan |
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| Affiliation: | School of Electronics and Information Engineering, Liaoning Technical University, Huludao 125105, China |
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| Abstract: | Aiming at the current shortcomings of ultra-wideband (UWB) microstrip monopole antennas such as narrow bandwidth and large size, a miniaturized ultra-wideband stepped microstrip monopole antenna is designed. The good UWB characteristic is obtained by using rectangular radiation patch slots, a stepped microstrip feeder and defective ground structure (DGS). The antenna return loss, voltage standing wave ratio (VSWR), radiation pattern and gain were simulated and optimized. The measured results show that the operating frequency range of antenna is 2.6?22.1 GHz, and the maximum gain is 12.9 dBi. The simulation and measurement results basically match. The antenna has simple structure, wide coverage frequency, compact size and good radiation characteristics in the operating frequency band, indicating that it is suitable for various UWB communication systems. |
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