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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)
    1. (electronics) the transmission of a signal by using it to vary a carrier wave
      1. a manner of speaking in which the loudness or pitch or tone of the voice is modified
          Synonym:inflection
        1. rise and fall of the voice pitch
            Synonym:intonationpitch contour
          1. a musical passage moving from one key to another
              Synonym:transition

            双语例句

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