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

• 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。
• 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。
• 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。
• 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；
• 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。
• 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。
• 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。
• 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。
• 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。
• 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。