modulation中文什么意思

[ ˌmɔdju'leiʃən ]发音:   用"modulation"造句
n.
调整,调节;(声调的)抑扬,变化;【音乐】转调,变调;【无线电】调制。 amplitude modulation 振幅调制,调幅。 frequency modulation 频率调制,调频。 overmodulation 过(度)调(制)。
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例句与用法

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  1. The nodal modulation is a very significant feature of the tides .
    交点调节是一个非常重要的潮汐特征。
  2. It was the voice of a born orator, rich in possible modulations .
    这是一个天生演说家的富于抑扬顿挫的声音。
  3. Position control of d. c. motors has been done by means of pulse width modulation .
    直流电机位置用脉冲宽度调制法控制。
  4. Mode locking can be induced not only by loss modulation, but also by phase modulation .
    锁模不仅可用损耗调制取得,也可用位相调制来得到。
  5. Evidently, there is another motion to be concerned with and that is the propagation of the modulation envelope .
    显然,还应当考虑另外一种运动,那就是调制包络的传播。

英文释义

名词
  1. the act of modifying or adjusting according to due measure and proportion (as with regard to artistic effect)
  2. (electronics) the transmission of a signal by using it to vary a carrier wave; changing the carrier''s amplitude or frequency or phase
  3. a manner of speaking in which the loudness or pitch or tone of the voice is modified
    同义词:inflection
  4. rise and fall of the voice pitch
    同义词:intonation, pitch contour
  5. a musical passage moving from one key to another
    同义词:transition

百科释义

In electronics and telecommunications, modulation is the process of varying one or more properties of a periodic waveform, called the carrier signal, with a modulating signal which typically contains information to be transmitted. This is done in a similar fashion to a musician modulating a tone (a periodic waveform) from a musical instrument by varying its volume, timing and pitch.
详细百科解释

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