| 一种抑制副瓣喇叭天线的3维UTD分析 |
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| 引用本文： | 姚定一.一种抑制副瓣喇叭天线的3维UTD分析[J].信息工程大学学报,1994(4). |
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| 作者姓名： | 姚定一 |
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| 摘 要： | 将喇叭天线的口面边缘作成曲线形状可抑制其远副瓣和后瓣电平。本文介绍了将一致性几何绕射理论（ＵＴＤ）分析由二维推广到三维，并用它对这种改进型喇叭的Ｅ面方向图进行分析的过程。文中还引用改进型喇叭和规喇叭特性的计算结果与实际测量结果，两相比较，可看到这种分析方法的准确性。
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| 关 键 词： | 喇叭天线，远副瓣和后瓣，曲线边缘，一致性几何绕射理论（UTD）。 |
Three-Dimensional UTD Analysis of a Horn Antenna with the suppressed sidelobe |
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| Yao Dingyi.Three-Dimensional UTD Analysis of a Horn Antenna with the suppressed sidelobe[J].Journal of Information Engineering University,1994(4). |
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| Authors: | Yao Dingyi |
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| Abstract: | Shaping the aperture edge of a horn antenna into a curvilineal form can suppress itsfar-out and back sidelobe level.This paper discusses how to extend the two dimensionalanalysis of the uniform geometrical theory of diffraction to a three-dimensional one andhow to apply it to the analysis of the E-plane radiation pattern of a modified horn.Measurements and calculations of the characteristics of the modified horn and the regularhorn are also presented in this paper.The results show the great accuracy of thethree-dimensional analysis method. |
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| Keywords: | horn antenna far-out sidelobe and back sidelobe curvilineal edge uni-form geometrical theory of diffraction(UTD) |
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