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

• Loop frequency locking technique in phase modulation spectroscope technique R-FOG system has been researched.
  对基于调相谱检测技术R-FOG系统中的环路频率锁定技术进行了研究。
• In digital phase modulation system, there always exists carrier phase-ambiguity in the process of coherent demodulation.
  在数字相位调制系统的相干解调过程中，普遍存在着载波相位模糊问题。
• 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。
• Measurement results validate the multi-mode modulation function and high pulse resolution.
  测试结果验证了该调制器的多模功能和高精度的脉冲宽度。
• 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。
• 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。
• 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。
• 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。
• In communications, the frequency range of the information bearing signals prior to combination with carrier wave by modulation.
  在通信技术中，未经调制使之和载波结合之前，携带信息的信号所占有的频率范围。
• Similarly, the introduction of voice encoding techniques using pulse code modulation contributed to the concept's evolution.
  利用脉冲编码调制的话音编码技术同样也对这一概念的发展起了作用。