| 引用本文: | 李国庆,姚德淼.半径突变多模圆锥馈源的分析和设计.[J].国防科技大学学报,1994,16(3):29-33.[点击复制] |
| Li Guoqing,Yao Demiao.Analysis and Design for the Multimode Conical Feedhorn with a Step of Radius[J].Journal of National University of Defense Technology,1994,16(3):29-33[点击复制] |
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| 半径突变多模圆锥馈源的分析和设计 |
| 李国庆, 姚德淼 |
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(国防科技大学 电子技术系 湖南 长沙 410073)
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| 摘要: |
| 报道了一种 8 毫米波段半径突变的高效率多模圆锥馈源，计算出其模比并推导出其辐射方向图公式，给出了它在两个主平面—E 面和 H面上的辐射方向图的理论计算结果和测试结果，以及频带和旁瓣特性。分析和测试结果表明，在 34.1～35.5GHz频带内该多模馈源的辐射方向图在大于-23dB范围内不出现旁瓣，在大于-13dB范围内幅度等化良好。 |
| 关键词: 半径突变多模圆锥喇叭 高效率馈源 方向图 轴向对称 天线 模比 |
| DOI： |
| 投稿日期：1993-11-24 |
| 基金项目: |
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| Analysis and Design for the Multimode Conical Feedhorn with a Step of Radius |
| Li Guoqing, Yao Demiao |
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(Department of Electronic Technology)
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| Abstract: |
| A 8mm wave multimode conical feedhorn with a step of radius has been developed. Its mode ratios are calculated and the formulas of its radiation patterns in two principle planes-H plane and E plane, the voltage standing wave ratio (VSWE)，and the properties of beamwidth and sidelobe are given. Theoretical analysis and measurements show that in the range of frequency of 34.lGHz to 35.5GHz，its radiation patterns have been equalized in amplitude within 13dB and no sidelobe exists within 23dB. |
| Keywords: multimode conical feedhorn with a step of radius high efficiency feed pattern axial symmetry antenna mode-ratio |
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