以下采用通信学组全文转换 [编辑]
频率偏移调制,又称频率移键、频移键控(FSK,Frequency-Shift Keying )是一种利用频率差异的信号来传送资料的调制方式。最常见的FSK为二进制FSK(BFSK,binary FSK)。BFSK用两个离散的频率代表不同的二进制信号(0和1)。
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