一种h形缝隙多频微带天线设计
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重庆市教委科学技术研究基金资助项目(KJ100512); 重庆市自然科学基金资助项目(CSTC 2010BB2412)

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Design of a Multi Band h shaped Slot Microstrip Antenna
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    摘要:

    通过对传统缝隙微带天线的分析,提出了一种h形缝隙微带天线。该天线具有多频带、小型化等特点,通过加载短路探针和在接地板挖槽的方法降低了天线的谐振频率,提高了带宽。利用基于有限元法的电磁仿真软件HFSS11.0对天线的特性进行了仿真,仿真结果表明,该天线在回波损耗S11<-10 dB时,其工作频段为2.38~2.79 GHz,4.59~4.75 GHz和5.12~5.90 GHz,尺寸比普通微带天线降低了62.43%,从而验证了这种设计方案的有效性。该天线结构简单易于实现,能够满足无线局域网802.11a/b/g/n移动终端内置天线的多频带和小型化的要求。

    Abstract:

    A multi band h shaped slot microstrip antenna has been proposed based on analyzing the conventional slot microstrip antenna. The proposed antenna has the features of multi band and miniaturization. The resonance frequency can be reduced and the bandwidth can be increased by being loaded a single shorted post and being slotted in the ground plate. The characteristics of the antenna have been simulated by using HFSS11.0 software based on the finite element method (FEM). The simulation results showed that the antenna operated at 2.38~2.79 GHz, 4.59~4.75 GHz and 5.12~5.90 GHz when the return loss S11 was less than -10 dB, the size reduced 62.43% compared to the general microstrip antenna, demonstrated the effectiveness of the design scheme. The antenna structure is simple and easily to be implemented, met the wireless LAN 802.11a/b/g/n mobile terminal antenna miniaturization and multi band requirements.

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杨虹,陈川江.一种h形缝隙多频微带天线设计[J].压电与声光,2012,34(6):928-931. YANG Hong, CHEN Chuanjiang. Design of a Multi Band h shaped Slot Microstrip Antenna[J]. PIEZOELECTRICS AND ACOUSTOOPTICS

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  • 在线发布日期: 2012-11-23
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