modulation

英 [ˌmɒdjʊˈleɪʃən]

美 [ˌmɑdʒəˈleɪʃən]

n.  调制；调谐；变调；缓和

复数：modulations　

计算机

BNC.16953 / COCA.19940

柯林斯词典

• VERB 改变，调节(嗓音或声音)
  If youmodulateyour voice or a sound, you change or vary its loudness, pitch, or tone in order to create a particular effect.
  1. He carefully modulated his voice.
     他小心地压低了声音。
• VERB 调节;调整
  Tomodulatean activity or process means to alter it so that it is more suitable for a particular situation.
  1. These chemicals modulate the effect of potassium.
     这些化学物质可以调节钾的功效。

英英释义

noun

• the act of modifying or adjusting according to due measure and proportion (as with regard to artistic effect)
• (electronics) the transmission of a signal by using it to vary a carrier wave
• a manner of speaking in which the loudness or pitch or tone of the voice is modified
  Synonym:inflection
• rise and fall of the voice pitch
  Synonym:intonationpitch contour
• a musical passage moving from one key to another
  Synonym:transition

双语例句

• We theoretically analyze and experimentally demonstrate a method of generating equal-amplitude optical comb exploiting multi-frequency phase modulation.
  我们理论分析并实验验证了一种利用多频相位调制产生等振幅光梳的方法。
• This procedure describes in detail the MSK modulation in mobile communication applications and effectiveness.
  本程序详细描述了MSK调制方式在移动通信中的应用和效果。
• In this paper, a new modulation scheme which combines the grid coding with the CCK modulation is proposed.
  文中一个新的调制方案是把网格编码和CCK调制结合起来提出来的。
• Frequency conversion function is realized in RF module, and the RF modulation of the signal is completed.
  射频模块实现了上变频功能，完成了信号的射频调制。
• The modulation recognition technique of QAM signal by the constellation diagram is given in this paper.
  给出了利用信号星座图的QAM信号调制方式识别技术。
• In pulse code modulation, a spurious signal formed from beats between the signal frequency and the sample frequency.
  在脉冲编码调制中，信号频率和取样频率之间的差拍所引起的伪信号。
• The reasons for this spurious modulation, mathematical model and compensation method are studied.
  研究了这种寄生调制产生的原因、数学模型以及补偿的技术。
• This paper proposed a modulation recognition algorithm for M-QAM signals.
  提出了一种M-QAM信号的识别算法。
• Furthermore, the azimuth effect can affect the signal modulation and the performance of the tracking system.
  此外，方位效应还会影响信号的调制和跟踪的性能。
• The performance for the frequency modulation of electrical feedback optical transmitters is presented.
  本文研究了电反馈光发射机的频率调制特性。