sine

英 [saɪn]

美 [saɪn]

n.  正弦

复数：sines　

计算机

BNC.26174 / COCA.20093

牛津词典

noun

• 正弦
  the ratio of the length of the side opposite one of the angles in a right-angled triangle that are less than 90˚ to the length of the longest side

英英释义

noun

• ratio of the length of the side opposite the given angle to the length of the hypotenuse of a right-angled triangle
  Synonym:sin

双语例句

• Good governance is today considered the sine qua non for sustainable development and social justice.
  今天，善治被看成是可持续发展和社会公平的基本条件。
• Fourier analysis is the mathematical method used to break sounds down into sine waves.
  傅里叶分析是将声音分解为正弦波的数学方法。
• We derive the addition formulas for sine and cosine from the arithmetic of complex numbers.
  用复数算术推导了正弦，余弦的加法公式。
• Both sine wave and steep pulse edge are special cases of complex frequency wave.
  正弦振荡和脉冲边沿都是自激复频率波的特定情形。
• This paper gets the frequency stability of a sine wave using a digital method.
  本文实现了利用数字方法计算正弦波的频率稳定度。
• Let us plot both the sine and the cosine curves.
  假设我们同时绘制正弦和余弦曲线。
• Then, the current of the paralleled branch coils excited by sine voltage is obtained by way of phasor.
  然后，采用相量法求解出正弦电压激励下各并联支路的电流；
• By using moving one period sine wave model, the precise demodulation of FM signal wave is achieved.
  在此基础上讨论实现正弦载波的调频信号的精确解调问题。
• Study on Sine Wave Frequency Estimation Method Based on DTFT
  基于DTFT的正弦波频率估计方法研究
• The phase velocity basically tells you how fast a pure sine wave ( with a single frequency) moves.
  相速度可以告诉我们一个纯正弦波的传播速度。