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

• 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。
• 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。
• 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。
• 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。
• The modulation parameter estimation of LFM signal and MPSK signal was studied.
  研究了线性调频信号、相位编码信号的调制参数识别问题。
• 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。
• 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。
• 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
• 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。
• 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。