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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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hyperfine line
hyperfine resonance
hyperfine splitting
hyperfine structure
hyperfine transition
hyperfinite
hyperfinite algebra
hyperfinite factor
hyperfinitely generated algebra
hyperfinite set
hyperfinite von Neumann algebra
hyperfocal distance
hyperforest
hyperformer reactor
hyperfuchsian function
hyperfuchsian group
hyperfunction
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hypergalaxy
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hypergeneralized function
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hypergeometrical
hypergeometric differential equation
hypergeometric distribution
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