Abstract

该文采用电磁波反射、透射和传输线理论,建立了分析磁性平板功率传输系数和计算插入相位移的方法,给出了消除退极化现象天线罩材料电磁参数必须满足的数学公式。计算和分析了单层和典型A 夹层结构天线罩在电介质材料和磁性材料两种情况下表现出的传输特性,结果表明,磁介质平板材料电磁参数满足r = r (复介电常数等于复磁导率)时,可以避免退极化现象,功率传输系数优于对应的电介质平板,插入相位移变化更为平缓,表现出了最佳的传输特性。最后,利用商业软件HFSS 进一步验证了上述结论的正确性和该方法的有效性。

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