| 基于互补辐射器的Q波段宽带半圆形基片集成波导平面天线 |
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| 引用本文： | 王剑莹,梁振川,许文涛,彭业顺,张涵. 基于互补辐射器的Q波段宽带半圆形基片集成波导平面天线[J]. 华南师范大学学报(自然科学版), 2021, 53(6): 9-14. DOI: 10.6054/j.jscnun.2021086 |
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| 作者姓名： | 王剑莹 梁振川 许文涛 彭业顺 张涵 |
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| 作者单位： | 华南师范大学物理与电信工程学院,广州510006;南方科技大学电子与电气工程系, 深圳518055 |
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| 基金项目： | 广东省自然科学基金项目2019A1515011940广东省自然科学基金项目2018A030313990广州市科技计划项目202002030353广州市科技计划项目2019050001 |
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| 摘 要： | 提出了一种基于E形互补辐射器的宽带半圆形基片集成波导(SIW)天线. 为了提高天线的工作带宽，将天线主体部分设计为与微带馈线呈一定角度的半圆形SIW谐振腔. 互补的E形槽和微带线进一步拓展了天线的阻抗带宽，提高了整个工作频带内的增益. 金属化通孔用于改善阻抗匹配. 结果表明:天线-10 dB阻抗的带宽覆盖37.7~47.8 GHz，在整个工作频带内的增益大于6.4 dBi，在38.2 GHz条件下的最大增益达9.8 dBi，同时具备宽频带和高增益的优势.
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| 关 键 词： | 毫米波 基片集成波导 宽带天线 Q波段 |
| 收稿时间： | 2021-04-19 |
The Wideband Semi-Circular SIW Planar Antenna with Complementary Radiators for Q-Band Applications |
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| Affiliation: | 1.School of Physics and Telecommunication Engineering, South China Normal University, Guangzhou 510006, China2.Department of Electrical and Electronic Engineering, Southern University of Science and Technology, Shenzhen 518055, China |
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| Abstract: | A wideband semi-circular Substrate Integrated Waveguide (SIW) antenna with complementary E-shaped radiators is presented. In order to obtain a wide operation bandwidth, the main body of the SIW antenna is designed as a semi-circle angled with the input microstrip. For further expansion of the impedance bandwidth, the complementary slots and microstrip lines are designed as E-shape, yielding high radiation gain over the operation band. To improve the impedance matching of the proposed antenna, a metallic via is added and optimized. Experimental results demonstrate that the proposed antenna yields a -10 dB impedance bandwidth over the band of 37.7~47.8 GHz. Moreover, the realized gains at all frequencies above 6.4 dBi can be achieved over the bandwidth of operation, with a maximum of 9.8 dBi at 38.2 GHz. Wideband and high gain are achieved simultaneously. |
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