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

• This paper presents a method to perform the continous modulation of AC power by using a micro-processor and SSR.
  提出了一种基于微处理器和利用固态继电器实现交流功率连续调整的方法。
• The low jitter transmission of pulse signals is realized by direct RF-modulation based on PLL frequency modulation.
  介绍了锁相调频的基本原理，用锁相调频的射频直接调制方法实现了脉冲信号的低抖动传输。
• This thesis studies and designs a wireless interphone of frequency modulation.
  本论文研究设计了一款调频无线对讲机。
• Differing from frequency error track, it avoid spurious modulation and complexity caused by phase-locked loops.
  与频率误差跟踪不同，它避免了锁相环引入的寄生调制和复杂性。
• 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。
• The feasibility of DC modulation technology application in the Northwest China grid was studied in this paper.
  对直流调制技术在西北电网应用的可行性进行了研究。
• SC-FDMA is a technology using single-carrier modulation and frequency-domain equalization, has the property of low PAPR.
  而SC-FDMA（单载波频分多址）是一种使用单载波调制和频域均衡的技术，具有低PAPR这一显著特性。
• 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。
• Research on Multi-carrier Modulation and MC-CDMA Interference Cancellation
  多载波调制和MC-CDMA的干扰消除研究
• A new frequency estimation technique for BPSK modulation signals embedded in strong noise is proposed.
  在强噪声背景下，针对BPSK调制信号，提出了一种新的频率估计技术。