cosine

英 [ˈkəʊsaɪn]

美 [ˈkoʊsaɪn]

n.  余弦

复数：cosines　

电力

BNC.29985 / COCA.38566

牛津词典

noun

• 余弦
  the ratio of the length of the side next to an acute angle in a right-angled triangle to the length of the longest side (= the hypotenuse )

英英释义

noun

• ratio of the adjacent side to the hypotenuse of a right-angled triangle
  Synonym:cos

双语例句

• Research on Region-Of-Interest Detection Algorithm in the Integer Cosine Transformed Domain;
  针对上述两者的缺点，文中提出了一种基于用户感兴趣区域的图像检索算法。
• Above, we plotted both the sine and cosine on the same graph.
  上面，我们在同一图中绘制了正弦和余弦曲线。
• Data correlation coefficients were calculated and switch regions were analyzed by using two dimension discrete cosine transform ( DCT) in ray-space data compression.
  在光线空间的数据压缩中，计算了数据的相关系数，采用二维离散余弦变换（DCT）进行了变换域分析。
• 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。
• It is a new method that calculate vertical second derivative of gravity anomalies based on discrete cosine transform ( DCT).
  基于离散余弦变换（DCT）的重力异常垂向二阶导数的计算方法是笔者提出的新方法。
• This method decomposes a measured signals waveform into a series of sine and cosine components.
  这种方法有节制的信号分解成一系列的波形正弦和余弦的组成部分。
• This paper presents a novel steganographic method in Discrete Cosine Transform ( DCT) domain.
  提出了一种在图像DCT域内的信息隐藏方法。
• 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。
• The fast algorithm based on discrete cosine transform ( DCT) and its complexity are obtained and the selection of the best basis is discussed.
  给出了用离散余弦变换（DCT）实现的快速算法及复杂度，并考查了最优基的选取。
• Based on the cosine wave crossing, the simulation is carried out by the power system blocks of the MATLAB software in this paper.
  以余弦交截法为原理，通过MATLAB软件中的电力系统模块库对交-交变频器进行了仿真。