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射频

射频(英语:Radio frequency,缩写为RF)又称无线电频率无线射频高周波,为在 3kHz至 300GHz这个范围内的振荡频率,这个频率相当于无线电波频率,以及携带着无线电信号交流电频率[1] 。RF通常被用来指电子振荡,而不被用在机械振荡上,然而机械射频系统仍然是存在的(如机械滤波器射频微机电系统英语RF MEMS)。

虽然射频在定义上是用来指一种频率,但在日常使用中,常被用来当成无线电的同义词,以利描述无线通讯系统,如射频识别

国际电信联盟定义的无线电频率划分当中:

参考资料

  1. ^ 射頻的定義. Merriam-Webster. Encyclopædia Britannica. n.d. [6 August 2015]. (原始内容存档于2015-09-17). 

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