Giving concrete digital-modulated form, the mean power spectrum density of the signals discussed can be obtained in this way. The calculation can be done on computers.
给定具体的数字调角形式,用这种方法可在计算机上计算所给信号的平均功率谱密度。
What many people mean by the word "power" could be more accurately described as "control."
许多人对“权力”这个词的理解可以更为准确地用“控制”来形容。
And I don't mean power in the sense of lording it over others.
我说的权力不是从对他人发号施令的意义上而言的。
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