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Alternative TitleThe Design and Analysis of a Smooth-Walled Spline-Profile Horn
刘广; 王宏建; 张升伟; 程岳云; 易敏; 陈雪; 刘世华; liuguang@nmrs.ac.cn
Source Publication北京理工大学学报
Keyword波纹喇叭 曲线轮廓光壁喇叭 高斯耦合效率 毫米波
Abstract针对毫米波段波纹喇叭加工困难,加工费用昂贵的问题,提出一种由正弦曲线和高斯曲线组成的曲线轮廓光壁喇叭天线,采用基于有限元算法的高频电磁场仿真软件ANSOFT HFSS对该天线的电特性进行计算,并运用准光理论计算其高斯耦合效率.采用高频平面近场天线测试系统对喇叭实物进行测试,实测结果与波纹喇叭对比,这种曲线轮廓光壁喇叭天线的副瓣电平比波纹喇叭低6.59dB,增益高0.5dB,高斯耦合效率高0.9%,长度短15.8mm,而且易于加工,是一种可替代波纹喇叭的优良性能馈源
Other AbstractAt millimeter-wave frequencies, corrugated horns are difficult and expensive to manufacture. As an alternative,a smooth-walled spline-profile horn constituted by sin-profile and Gaussian-profile is presented in this thesis. Its electrical property was calculated using commercially available finite element software: high frequency structure simulator(HFSS) of ANSOFT.The Gaussian coupling efficiency of the horn was calculated using quasi-optical theory. The designed horn was measured using high frequency planar near-field antenna testing system. Testing results indicate that, compared with corrugated horn, the sidelobe of smooth-walled spline-profile horn decreased 6.59 dB, its gain increased 0.5 dB, Gaussian coupling efficiency increased 0.9%, total length shortened 15.8 mm and it was much easier to manufacture. It seems that the presented horn has a high performance and it can be used as a feed source of antenna in stead of corrugated horn
Indexed ByEI ; CSCD
Funding Project中国科学院空间科学与应用研究中心
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Document Type期刊论文
Corresponding Authorliuguang@nmrs.ac.cn
Recommended Citation
GB/T 7714
刘广,王宏建,张升伟,等. 曲线轮廓光壁喇叭天线设计与分析[J]. 北京理工大学学报,2011,31(1):87-91.
APA 刘广.,王宏建.,张升伟.,程岳云.,易敏.,...&liuguang@nmrs.ac.cn.(2011).曲线轮廓光壁喇叭天线设计与分析.北京理工大学学报,31(1),87-91.
MLA 刘广,et al."曲线轮廓光壁喇叭天线设计与分析".北京理工大学学报 31.1(2011):87-91.
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