From the batwing antenna feed system, the paper analyzes that he batwing antenna feed can solve the impedance shift, and the principles of transformation of balance and imbalance.

文章拟从蝙蝠翼天线馈电系统入手，分析讨论其能够解决阻抗变换和平衡与不平衡转换原理。

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Balanced micro-strip line is utilized as feed line, printed dipole is adopted as radiation element, and a matching network is employed for tuning the input impedance of the antenna.

该天线采用平衡微带线作馈线，以印刷振子作为辐射单元，末端采用匹配电路对其输入阻抗进行匹配。

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In foundation of the dual-layer structure, combining with capacitive coupled feed technology, the impedance bandwidth of the microstrip antenna has been further expanded;

在双层结构的基础上，结合电容耦合馈电技术，进一步扩展了微带天线的阻抗带宽；

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