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一种复合左右手结构的宽频带微带天线
  • 期刊名称：通信技术 41（2008）35
  • 时间：0
  • 分类：TN911[电子电信—通信与信息系统;电子电信—信息与通信工程]
  • 作者机构：[1]空军工程大学理学院,陕西西安710051, [2]西安交通大学电子陶瓷与器件教育部重点实验室,陕西西安710049
  • 相关基金：国家自然科学基金（10474077,50632030）资助项目.
  • 相关项目：左手材料的设计、制备和物理效应研究
关键词： 复合左右手传输线, 微带天线, 宽频带, 宽波束, composite right left-handed （CRLH） transmission line （TL）, microstrip antenna, broadband, wide beam
中文摘要：

提出了一种新型的基于复合左右手（CRLH）结构的微带天线，其结构单元绕天线贴片中心周期排列。讨论了天线各结构参数的变化对天线辐射特性的影响，并对其进行了全波仿真和优化，结果显示该天线相对带宽达到26％，半功率波瓣宽度达到±45°。

英文摘要：

The analysis and design of zeroth order resonator antenna supported by certain periodic structures of composite right/left-handed transmission line unit-cell is presented. Since the phase shift is zero in operational frequency 4. 8GHz, lowly directive radiation pattern can be obtained as a result that the field distribution of antenna would be in-phase. The antenna has been shown to have an effective frequency bandwidth of 26% and half-power beam-width of ±45° by full wave simulation, which is expected to find applications in future.

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