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

• 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。
• 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。
• 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。
• 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。
• This thesis firstly introduce the function, performance index and operation principle of the wireless interphone of frequency modulation.
  首先介绍了调频无线对讲机的功能、性能指标和工作原理。
• 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
• The supply is provided with stability and self-protect performances as using pulse width modulation ( PWM) technology.
  运用脉宽调制技术（PWM）使其具有良好的稳定性和自保护性能；
• 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。
• 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。
• 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。