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频率键控调制解调
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频率键控调制解调
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数字调制解调
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frequency-shift keying modulation and demodulation
频率键控调制解调
利用载波的频率变化来传递数字信息,载波的幅度和初始相位保持不变,并在接收端从接收到的频率键控信号中恢复出数字信息的数字调制解调过程。
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