HZ
赫兹，是国际单位制中频率的单位，它是每秒钟的周期性变动重复次数的计量。[1]
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uses the message signal X to modulate the carrier frequency Fc (Hz) and sample frequency Fs (Hz), wh
uses the message signal X to modulate the carrier frequency Fc (Hz) and sample frequency Fs (Hz), where Fs > 2*Fc. ...