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天线的基本原理

  • Release time: 2024-07-23

 天线的基本原理是基于电磁感应和电磁波的辐射与接收。当高频电流通过天线导体时,会在导体周围产生交变的电磁场,这个电磁场会向空间辐射电磁波;反之,当空间中的电磁波遇到天线时,会在天线导体上产生感应电流,从而实现电磁波的接收。
天线的性能主要由其辐射方向图、增益、输入阻抗、带宽等参数来描述。

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