| 一种新型交叉馈电宽带印制天线 |
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| 引用本文： | 丁轲佳,王冰切,王亚洲,苏东林. 一种新型交叉馈电宽带印制天线[J]. 微波学报, 2007, 23(2): 40-43 |
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| 作者姓名： | 丁轲佳 王冰切 王亚洲 苏东林 |
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| 作者单位： | 1. 北京航空航天大学电子信息工程学院,北京,100083
2. 北京航空航天大学电子信息工程学院,北京,100083;空军雷达学院电子对抗系,武汉,430010 |
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| 摘 要： | 设计了一种新型交叉馈电宽带印制天线,该天线对存在耦合的宽偶极子进行电容加载,构成宽频带容性辐射单元,使用平行宽边耦合双线对两个辐射单元进行交叉馈电,实现阻抗匹配调节和提高增益的作用。通过理论分析和HFSS软件仿真计算表明:该天线能够在厚度1mm、εr=2.6的介质板上实现53%的阻抗带宽(VSWR<2.0),并且频段内方向图主瓣不分裂,增益可达4.8dB i,相位中心不随工作频率变化而移动。该天线易于设计和加工,参数易于调整,有较强的实用性。
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| 关 键 词： | 宽频带天线 印制天线 偶极子天线 |
| 文章编号： | 1005-6122（2007）02-0040-04 |
| 收稿时间： | 2005-11-16 |
| 修稿时间： | 2005-11-162006-03-27 |
A Novel Cross Feed Broadband Printed Antenna |
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| DING Ke-ji,WANG Bing-qie,WANG Ya-zhou,SU Dong-lin. A Novel Cross Feed Broadband Printed Antenna[J]. Journal of Microwaves, 2007, 23(2): 40-43 |
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| Authors: | DING Ke-ji WANG Bing-qie WANG Ya-zhou SU Dong-lin |
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| Affiliation: | 1. School of Electronic and Information Engineering, BUAA, Beijing 100083, China; 2. Dept. of Electronic Countermeasures, Air Force Radar Academy, Wuhan 430010, China |
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| Abstract: | A novel cross-feed broadband printed antenna is presented in this paper.Wide dipole is capacitively-loaded to acquire a broadband antenna element.Two elements are cross-fed by parallel broadside coupled lines to actualize impedance match and get high gain.Theoretical analysis and simulation results with HFSS show that the antenna fabricated on the substrate with thickness of 1mm and relative permittivity of 2.6 can achieve an impedance bandwidth of 53% for VSWR less than 2 and maximal gain of 4.8dBi,with good far-field radiant characteristics and stable phase center.The antenna is easy to be designed and fabricated and it has a wide application. |
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| Keywords: | Broadband antenna Printed antenna Dipole antenna |
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