| 双线背射模螺旋作馈源的背射式天线 |
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| 引用本文： | 郝晋,马福昌,李鸿鹰,李瑞莲. 双线背射模螺旋作馈源的背射式天线[J]. 应用科学学报, 1999, 17(4): 473-475 |
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| 作者姓名： | 郝晋 马福昌 李鸿鹰 李瑞莲 |
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| 作者单位： | 太原理工大学 |
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| 基金项目： | 山西省青年学科带头人基金 |
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| 摘 要： | 提出把双线背射螺旋作为短背射天线的馈源时,可得到一种性能优良的新天线.文中给出了螺距角T=10°、12°、14°和16°时双线背射螺旋作馈源的实验结果,同时得出T=14°时天线综合性能最佳,最大增益可达19.7dB.它具有结构简单、馈电方便、遮挡小、频带宽、增益高且易于产生圆极化波等优点,性能远优于带相同接地板的螺旋天线、普通短背射天线以及单线背射螺旋作馈源的短背射天线.
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| 关 键 词： | 双线背射模螺旋 馈源 天线 短背射天线 |
| 收稿时间： | 1998-07-16 |
| 修稿时间： | 1999-01-20 |
A Backfire Antenna Fed by a Bifilar Backfire Mode Helix |
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| HAO JIN MA FUCHANG LIHONGYING LIRUILIAN. A Backfire Antenna Fed by a Bifilar Backfire Mode Helix[J]. Journal of Applied Sciences, 1999, 17(4): 473-475 |
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| Authors: | HAO JIN MA FUCHANG LIHONGYING LIRUILIAN |
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| Affiliation: | Department of Electronic Information Engineering, Taiyuan University of Technology, Taiyuan 030024 |
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| Abstract: | A backfire antenna of good characteristics is described in this paper.It has a new feed-bifilar backfire helix.Its four situations of pitch angles T=10°,12°,14ånd 16° are measured.By comparison,the best pitch angle is 14°.The antenna has a maximum gain of 19.7dB.The new antenna has the advantages of simple structure,easy feeding and a wide frequency rang e,and circular polarized wave.The characteristics are much better than a bifilar backfire helical antenna,a short backfire antenna and a backfire antenna fed by a mono filar backfire helix. |
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| Keywords: | antenna bifilarbackfirem ode helix feed shortbackfireantenna |
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