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

• 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 separated signal is amended to better approximate the true signal for completing the harmonic detection.
  为了更好地逼近真实信号，对分离后的信号进行幅值修正，从而完成谐波的检测。
• 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。
• A new lithology identification method based on axial amplitude modulation signal of drill string is proposed.
  提出了一种利用钻柱轴向振动调幅信号实现岩性识别的方法。
• The piezoelectric transducer and the variable amplitude bar are designed by four-terminal network method.
  为说明设计方法，利用四端网络法对压电换能器和变幅杆进行了设计。
• This system of modifying the carrier waves is called "Amplitude Modulation," or" AM ".
  这个改变载波的系统称为振幅调制或缩写为AM。
• 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 frequency and amplitude of vibration are monitored.
  振动的频率与振幅受到监控。
• After correction, the estimates of signal amplitude and frequency have high accuracy.
  修正后的信号强度和频率估值有相当高的精度。
• Can measure the input signal frequency, amplitude, peak to peak, and RMS.
  可以测量输入信号的频率、幅度、峰峰值、和有效值。