| 基于时域有限差分法的口径耦合微带天线的研究 |
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| 引用本文： | 车仁信,程鑫,张坤武.基于时域有限差分法的口径耦合微带天线的研究[J].微波学报,2006,22(1):39-43. |
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| 作者姓名： | 车仁信 程鑫 张坤武 |
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| 作者单位： | 大连交通大学电气信息学院,大连,116028 |
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| 基金项目： | 铁道部专项基金;辽宁省教育厅资助项目 |
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| 摘 要： | 借助于时域有限差分法对口径耦合微带天线进行了分析论述。分别讨论了贴片长度、宽度及耦合缝隙的长度、宽度对天线谐振频率和谐振电阻的影响,提出了在天线贴片周围加销钉的天线模型,以抑制表面波。在FDTD分析方法的基础上,构造出两个特殊盒子来计算远区辐射场。用所提出的模型和分析方法对Ku波段12GHz口径耦合微带天线进行了扫描研究,为实际应用提供了有一定参考意义的图形及数据。
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| 关 键 词： | 微带天线 口径耦合 时域有限差分法 销钉 表面波 |
| 文章编号： | 1005-6122（2006）01-0039-05 |
| 收稿时间： | 2004-12-31 |
| 修稿时间： | 2004-12-312005-07-09 |
Study on Aperture-coupled Microstrip Antenna Based on FDTD Method |
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| CHE Ren-xin,CHENG Xin,ZHANG Kun-wu.Study on Aperture-coupled Microstrip Antenna Based on FDTD Method[J].Journal of Microwaves,2006,22(1):39-43. |
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| Authors: | CHE Ren-xin CHENG Xin ZHANG Kun-wu |
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| Institution: | School of Electrical Engineering, Dalian Jiaotong University, Dalian 116028, China |
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| Abstract: | Aperture-coupled Microstrip antenna was analyzed by means of finite-difference time-domain(FDTD).The influence of the length and the width of the patch and coupling aperture on resonance frequency and resonance resistance are discussed respectively.In order to suppress surface waves,dowels were added surrounding the patch of the antenna and the antenna model was put forward.Based on the method of FDTD,two special boxes were constructed to calculate the far area radiation field.Using the model and the analysis methods mentioned above.A Ku band (12 GHz) aperture-coupled microstrip antenna was studied and some curves and data were given for engineering reference. |
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| Keywords: | Microstrip antenna Aperture-coupled FDTD Dowel Surface wave |
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