The result of experiments indicates that the tuning rate of the improved antenna tuner is enhanced prominently.
实验结果表明，改进后的自动天线调谐器，调谐速度明显提高。
Decreasing the tuning time of the antenna is very important in intelligentized and automated short wave adaptive communication systems.
缩短天线调谐时间是短波自适应通信系统智能化、自动化的需要。
Change between communication systems or operating bands is achieved by tuning the resonant frequency of an antenna element.
之间的通讯系统或工作频段调谐的变化是通过了一个天线单元的谐振频率。
Resonant frequency can be changed by loading the antenna with a reactive tuning component, which can be placed between the antenna element and the ground plane.
共振频率可以改变被动的加载与调谐组件，它可与天线单元和接地层放置天线。
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。
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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