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三类电磁软件用于双频段圆筒天线的设计比较

DOI: 10.13190/jbupt.201103.118.lixp, PP. 118-121

Keywords: 圆筒形双频天线,电磁仿真,回波损耗,远场增益

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Abstract:

为了比较不同软件对三维立体结构天线的仿真精度,提出一款应用于无线通信的双频段圆筒形天线,设计、比较和评估了3款电磁仿真软件highfrequencystructuresimulator(HFSS)、FEKO和computersimulationtechnologymicrowavestudio(CSTMS)对该天线的阻抗匹配性能和远场增益的仿真性能.天线阻抗匹配测试性能为在电压驻波比小于15条件下,天线的工作带宽低频段为150MHz(820~970MHz),高频段为600MHz(17~23GHz);天线低频段远场增益测试结果为18dBi,高频段增益为49dBi.比较结果表明,HFSS和FEKO分别在阻抗匹配性能仿真和远场增益仿真方面与测试结果吻合良好;CSTMS对阻抗匹配性能和远场增益的仿真结果均与测试结果吻合良好.

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