| 反射面背射螺旋天线设计 |
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| 引用本文： | 孙大媛.反射面背射螺旋天线设计[J].航天器工程,2008,17(2):59-62. |
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| 作者姓名： | 孙大媛 |
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| 作者单位： | 北京空间飞行器总体设计部,北京,100094 |
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| 摘 要： | 介绍了一种反射面背射螺旋天线，其反射面口径仅有几个波长，通过采用新型背射螺旋天线作馈源，成功解决了小口径反射面天线效率低的难题，实现了高达75％的口面效率。该天线体积小、重量轻，已成功应用于嫦娥一号卫星机械转动定向天线。文章对该天线的设计、仿真计算和实测结果进行了综述。
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| 关 键 词： | 反射面天线 小口径 背射螺旋天线 口面效率 设计 |
| 文章编号： | 1673-8748(2008)02-0059-0004 |
| 修稿时间： | 2006年6月6日 |
Design of Reflector Antenna Fed by Backfire Helix |
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| SunDayuan.Design of Reflector Antenna Fed by Backfire Helix[J].Spacecraft Engineering,2008,17(2):59-62. |
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| Authors: | SunDayuan |
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| Institution: | SunDayuan (Beijing Institute of Spacecraft System Engineering,Beijing 100094,China) |
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| Abstract: | This paper describes a reflector antenna fed by a novel backfire helix.It features a high aperture efficiency of 75% with an aperture diameter of only a few wavelengths.This compact and light-weighted antenna with its drive assembly has been used on CE-1 orbiter successfully.The designed,simulated and measured results of this antenna are described. |
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| Keywords: | reflector antenna small aperture backfire helix aperture efficiency design |
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