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题名:
Grooves-Assisted Surface Wave Modulation in Two-Slot Array for Mutual Coupling Reduction and Gain Enhancement
作者: Huang, Cheng; Zhao, Zeyu; Feng, Qin; Wang, Changtao; Luo, Xiangang
刊名: IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS
出版日期: 2009
卷号: 8, 页码:912-915
关键词: Corrugated antennas ; mutual coupling ; slot arrays ; surface wave
文章类型: Article
英文摘要: In this letter, a method of reducing mutual coupling between the rectangular waveguide end-slot array and improving its gain is presented. In this antenna, the novel surface corrugated structure is symmetrically loaded at both sides of each slot element. Different from the suppression of surface wave in the choke grooves, the proposed corrugated structure would modulate surface wave propagation, resulting in the variation of surface energy strength distribution. The effectiveness of the proposed surface grooves is verified by numerical simulations and experimental testing. It is found that the mutual coupling level between two slot elements is observably decreased to be less than -40 dB after employment of surface grooves, and the gain of two slots array is also greatly enhanced by 4 dB. Furthermore, the influences of groove parameters on the mutual coupling level and radiation performance are discussed, respectively, and physical mechanism of this corrugated structure is investigated and compared to that of choke grooves as well.
WOS标题词: Science & Technology ; Technology
类目[WOS]: Engineering, Electrical & Electronic ; Telecommunications
研究领域[WOS]: Engineering ; Telecommunications
关键词[WOS]: SUBWAVELENGTH ANNULAR APERTURE ; MICROWAVE-RADIATION ; CORRUGATED GROOVES ; TRANSMISSION ; ANTENNA
收录类别: SCI
语种: 英语
WOS记录号: WOS:000270006400003
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ioe.ac.cn/handle/181551/3317
Appears in Collections:光电技术研究所被WoS收录文章_期刊论文

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作者单位: Chinese Acad Sci, State Key Lab Opt Technol Microfabricat, Inst Opt & Elect, Chengdu 610209, Peoples R China

Recommended Citation:
Huang, Cheng,Zhao, Zeyu,Feng, Qin,et al. Grooves-Assisted Surface Wave Modulation in Two-Slot Array for Mutual Coupling Reduction and Gain Enhancement[J]. IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS,2009,8:912-915.
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