... amplitude method 天体出没幅角法 amplitude modulated carrier 调幅载波 amplitude modulated receiver 调幅接收机 ...
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amplitude-modulated carrier 调幅截波
pulse-amplitude-modulated carrier [电子] 脉冲幅度调制载波
pulsed amplitude-modulated carrier 脉冲调幅载波
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The spectrum of amplitude modulated signal are two half magnitude spectrums of base band signal positive and negative shifted by a carrier or R. F. frequency.
调幅讯号之频谱为一半强度基频讯号之频谱分别正负位移一射频或载波之频率。
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