| 点聚焦透镜天线分辨率的分析与测量 |
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| 引用本文： | 马平,何昌伟,刘述章.点聚焦透镜天线分辨率的分析与测量[J].微波学报,2004,20(3):74-76,95. |
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| 作者姓名： | 马平 何昌伟 刘述章 |
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| 作者单位： | 1. 中国空气动力研究与发展中心,绵阳,621000
2. 电子科技大学应用物理研究所,成都,610054 |
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| 基金项目： | 国防预研基金项目 (4 13130 30 9) |
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| 摘 要： | 采用波动理论方法分析了平面电磁波经点聚焦透镜天线会聚后焦斑大小和横向空间分辨率，得出了此类天线在会聚点的天线特性与平面口径天线在无穷远处的天线特性的关系，提出了透镜天线分辨率的一种测量方法。通过实测，测量结果和理论较为吻合。
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| 关 键 词： | 口径天线 聚焦透镜 会聚 焦斑 空间分辨率 聚点 平面电磁波 无穷 波动理论 测量结果 |
| 文章编号： | 1005-6122(2004)03-0074-03 |
Analysis and Measurement of Spot Focusing Lens Antenna Resolution |
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| Ma Ping,He Changwei,Liu Shuzhang.Analysis and Measurement of Spot Focusing Lens Antenna Resolution[J].Journal of Microwaves,2004,20(3):74-76,95. |
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| Authors: | Ma Ping He Changwei Liu Shuzhang |
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| Affiliation: | Ma Ping1,He Changwei2,Liu Shuzhang2 |
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| Abstract: | The size of the focal area focused by spot focusing lens antenna and its transve rse spatial resolution are analyzed in virtue of wave theory in this paper. Rela tions between the characteristic of the spot focusing lens antenna at convergenc e region and the characteristic of the plane aperture antenna which brings the same field distribution at infinite region is obtained. The measurement of the lens antenna spatial resolution is brought forw ard. Measurement results are accorded comparatively with the theory calculations . |
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| Keywords: | Spot focusing lens antenna Transverse special resolution Focal area |
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