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首页> 外文期刊>International journal of RF and microwave computer-aided engineering >Broadband scanning leaky-wave antenna based on interdigital coupled-type composite right/left-handed transmission line structure
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Broadband scanning leaky-wave antenna based on interdigital coupled-type composite right/left-handed transmission line structure

机译：基于叉指耦合型复合型右/左手传输线结构的宽带扫描漏光天线

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摘要

Owing to its unique nonlinear dispersion characteristics, the composite right/left-handed (CRLH) transmission line (TL) have been widely implemented inthe design of leaky-wave antennas. A novel CRLH-TL unit is proposed in thisarticle using the metal patch and pillars to connect the interdigitated line. Notonly the parasitic resonance in the conventional interdigital CRLH TL is eliminatedby etching the annular gap on the ground, but the miniaturization isalso achieved. Then, a broadband high-performance full-plane scanning leakywaveantenna is designed based on the unit in balanced state. The measuredbandwidth with return loss <−10 dB is 3.97 to 5.86 GHz and the peak gainover the operating bandwidth is higher than 9.17 dB. There is no parasitic resonancein the operating bandwidth and the antenna has a lower operating frequencythan the classic Interdigital Coupled-Type (ICT) CRLH leaky-waveantenna of the same length.
机译：由于其独特的非线性色散特性，复合右/左撇子（CRLH）传输线（TL）已被广泛实施泄漏波天线的设计。提出了一种新的CRLH-TL单元用金属贴片和支柱的物品连接互联线。不是仅消除了传统的仲裁缩合CRLH TL中的寄生谐振通过蚀刻地面上的环形间隙，但小型化是也实现了。然后，宽带高性能全平面扫描漏洞天线基于平衡状态的单位设计。测量带宽与返回损耗<-10 dB为3.97至5.86 GHz和峰值增益在工作带宽上高于9.17 dB。没有寄生共振在操作带宽和天线具有较低的工作频率比经典的偶代耦合型（ICT）CRLH泄漏波天线相同的长度。

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