| 倾斜波束非对称SAARS微带天线设计简 |
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| 引用本文： | 李思佳,曹祥玉,高军,郑秋容,杨欢欢.倾斜波束非对称SAARS微带天线设计简[J].西安电子科技大学学报,2014,41(1):164-169. |
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| 作者姓名： | 李思佳 曹祥玉 高军 郑秋容 杨欢欢 |
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| 摘 要： |
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| 收稿时间： | 2012-09-29 |
SAARS microstrip antenna design with an asymmetrical structure and a tilted beam |
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| LI Sijia,CAO Xiangyu,GAO Jun,ZHENG Qiurong,YANG Huanhuan.SAARS microstrip antenna design with an asymmetrical structure and a tilted beam[J].Journal of Xidian University,2014,41(1):164-169. |
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| Authors: | LI Sijia CAO Xiangyu GAO Jun ZHENG Qiurong YANG Huanhuan |
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| Affiliation: | (School of Information and Navigation, Air Force Engineering Univ., Xi'an 710077， China) |
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| Abstract: | A circularly polarized microstrip antenna with the tilted beam of 30° through the asymmetrical structure combing the single-arm archimedean spiral antenna with the helix antenna is constructed in order to make the beam tilted. The bandwidth, tilted beam, and radiation characteristics have been improved through the width optimization and coaxial feed line selection. This antenna can realize the directional radiation of circularly polarized microwaves in a definite frequency band and has a bandwidth of 16.7％ (for Voltage Standing Wave Ratio(VSWR)<2, Axis Ratio(AR)<3dB and the tilted beam of 30°) in the condition of the vertical aperture external excitation with a coaxial feed line. Simulated and measured results show that this antenna has a wideband, high gain, and tilted beam with circularly polarized microwaves. |
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| Keywords: | microstrip antenna tilted beam circularly polarized wave radiation single-arm archimedean spiral asymmetrical structure |
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