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

• The surface cracks formation can be restrained by decreasing oscillation frequency and increasing amplitude and nonsinusoidal oscillation factor properly.
  适当降低振频，增大振幅和非正弦振动因子可抑制表面裂纹形成。
• 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。
• In addition to amplitude and wavelength, a periodic wave is characterized by its frequency.
  除了振幅和波长，周期波有它自己的频率。
• The frequency and intensity of electromagnetic field change the frequency and amplitude of the calcium oscillation.
  电磁场的频率、强度（调制因子）引起钙振荡的频率和幅值发生变化。
• The time-delay estimator of complex LFM based on cyclic cross-correlation amplitude is discussed.
  研究了复线性调频信号的循环互相关估计时延问题。
• 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。
• 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 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。
• The influence of timing jitter and amplitude fluctuation of the sampling pulses is also investigated.
  同时我们还研究了采样光脉冲时间抖动和幅度抖动对光性能监测系统的影响。
• Remember when we have waves we can have positive or a negative amplitude.
  记住一个波会有，正的幅值和负的幅值。