amplitude

英 [ˈæmplɪtjuːd]

美 [ˈæmplɪtuːd]

n.  (声音、无线电波等的)振幅

复数：amplitudes　

CET6GRE化学

BNC.10877 / COCA.14205

牛津词典

noun

• （声音、无线电波等的）振幅
  the greatest distance that a wave, especially a sound or radio wave, vibrates (= moves up and down)

柯林斯词典

• N-VAR （声波或电流信号的）振幅
  In physics, theamplitudeof a sound wave or electrical signal is its strength.
  1. As we fall asleep the amplitude of brain waves slowly becomes greater.
     进入睡眠状态时，我们的脑电波振幅慢慢变大。
• N-UNCOUNT 广大;广阔;大量
  Amplitudeis the quality of being large in size or quantity.
  1. ...a man of nineteenth-century amplitude.
     有着19世纪的广阔思维的男子

英英释义

noun

• greatness of magnitude
• the property of copious abundance
  Synonym:bountifulnessbounty
• (physics) the maximum displacement of a periodic wave

双语例句

• When people are attending to the flashing light, these electrical frequencies increase in amplitude.
  当人们注意到了闪光，这些电频率的振幅会增加。
• The amplitude is associated with the nonlinear damping and the frequency is correlated with the nonlinear rigidity.
  振幅特性与阻尼非线性相关，频率特性与刚度非线性相关；
• As we fall asleep the amplitude of brain waves slowly becomes greater.
  进入睡眠状态时，我们的脑电波振幅慢慢变大。
• The amplitude of wall temperature fluctuation is larger than that of fluid temperature oscillation.
  流量的波动又引起了管壁温度和流体温度的周期性波动；
• Formant: it uses the estimation of the overall shape of the spectrum's amplitude envelope.
  共振峰：使用了对频谱的振幅包络线的大体形状所作的估计。
• Wiggle the end of the string and make waves, or adjust the frequency and amplitude of an oscillator.
  摆动弹簧的末端并生成声波，或者调节振荡器的频率和振幅。
• In communications, the amplitude variations of an amplitude modulated carrier wave.
  在通信技术中，调幅载波的幅度变化图。
• The frequency and amplitude of vibration are monitored.
  振动的频率与振幅受到监控。
• This is the amplitude.
  这是振幅。
• The cyclic spectrum of cyclostationary signal includes information as carrier frequency, chip width and amplitude.
  循环平稳信号的循环谱包含了载频、码片时宽和幅度等信息。