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数字调制解调
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数字调制解调
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数字调制解调
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digital modulation and demodulation
数字调制解调
用数字基带信号控制载波,把数字基带信号变换为数字带通信号,并在接收端通过解调器把带通信号还原成数字基带信号的过程。
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