射頻

射頻(英語:Radio frequency,縮寫為RF)又稱無線電頻率無線射頻高周波,為在 3kHz至 300GHz這個範圍內的振盪頻率,這個頻率相當於無線電波頻率,以及攜帶著無線電信號交流電頻率[1] 。RF通常被用來指電子振盪,而不被用在機械振盪上,然而機械射頻系統仍然是存在的(如機械濾波器射頻微機電系統英语RF MEMS)。

雖然射頻在定義上是用來指一種頻率,但在日常使用中,常被用來當成無線電的同義詞,以利描述無線通訊系統,如射頻識別

國際電信聯盟定義的無線電頻率劃分當中:

參考資料

  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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