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

• 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。
• 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。
• This paper analyzes the output SINR of adaptive array antenna in the presence of amplitude and phase errors.
  以自适应阵列的输出信干噪比（SINR）为对象，研究了通道幅相不一致性对它的影响。
• The analysis of vibration is introduced by its three factors-vibration amplitude, frequency and phase.
  针对振动的三要素即振幅、频率及相位分别做了介绍；
• 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。
• 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。
• 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。
• 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。
• 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 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；