cosine

noun

1. 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 )

1. The title can be abbreviated to t, as we do for the cosine curve.
   title可以缩写为t，正如我们对余弦曲线的设置。
2. That would be a nice viewport for trigonometric graphics like sins or cosines.
   这对于三角图形（例如sin和cosine）来说是很好的一个viewport。
3. 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。
4. 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。
5. On some identities of sine and cosine functions;
   目的研究正弦函数和余弦函数的一些计算公式。
6. The electric field and capacitance of a confocal elliptic capacitor are calculated by the inverse hyperbolic cosine analytic function, and discussion on them is performed.
   利用解析函数的性质，通过反双曲余弦计算出了由共焦点椭圆导体柱面组成的电容器内电场和单位长度的电容，并对结果作了进一步讨论。
7. One of the best-known processing techniques is Fourier analysis, in which you can approximate a real-world data stream by adding together a series of sine and cosine curves at different frequencies;
   傅里叶分析是其中一个最著名的处理技术，通过将不同频率上的一系列正弦和余弦曲线迭加起来，你就能逼近真实世界中的数据流。
8. 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。
9. And, we can use that to measure angles between vectors by solving for cosine in this.
   我们还可以通过解出式中余弦的方法，得到两向量间的角度。
10. 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。
11. Find the cosine of the angle between the vertex normal and the newly calculated vertex to light normal.
    确定顶点法线与重新计算顶点后得到的光照法线之间的角度的余弦。
12. In this paper, the application of the algorithm in pattern transformation method with cosine function is also discussed.
    同时本文还讨论了该算法模型在余弦整形变换系统上的实现，其处理速度较原算法有了成倍提高。
13. 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。
14. The essential principle of amplitude division method is a map connection from sine or cosine signal to phase angle.
    莫尔条纹信号幅值分割细分法细分原理的实质是两路信号的幅度值与相位值的映射关系。
15. The cosine window function is introduced and applied in the plane wave synthesis technique.
    本文介绍了余弦窗函数，并将其应用到平面波综合技术中。
16. A cascaded SINE filter is introduced after the COSINE one which improves the stopband characteristics to compensate the passband drop.
    该滤波器在采用COSINE滤波器提高阻带特性的基础上，级联了一个SINE滤波器，补偿了其通带衰减。
17. Converts between degrees and the cosine of half the angle, the standard setting that Mental Ray uses.
    在度数和角度的一半的余玄值间转换，标准的设置mentalray的使用。
18. In this paper, a novel construction of bivariate orthogonal compactly supported wavelet filter based on the cosine function is proposed.
    本文提出了一种基于余弦函数的二元紧支撑正交小波滤波器的构造方法。
19. 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。
20. 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。
21. The paper proposed the characteristics and inversion method of gravity anomalies spectrum using cosine transform.
    提出利用余弦变换，研究规则体重力异常谱特征及反演方法。
22. Equation with double cosine function can improve the accuracy of prediction when facing two peak time series data.
    含有第二谐量的余弦方程能够更准确地描述具有两个高峰的周期性数据。
23. 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。
24. 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。
25. The digital watermark technique is proposed based on Fresnel hologram and Discrete Cosine Transform.
    提出了一种基于数字菲涅耳全息和离散余弦变换的数字水印技术。
26. Method: Compare the similarity of the fingerprints chromatography by coefficient of correlation and cosine value of vectorial angle.
    方法在多维空间中比较相关系数和夹角余旋值来计算图谱相似度。
27. Application of the Cosine Window Function in the Plane Wave Synthesis Technique
    余弦窗函数在平面波综合技术中的应用
28. 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。
29. I just picked the cosine one. x double-dot.
    我选了cos1，x两点。
30. The simulation results show that the relatively ideal pulses are modulated pulses with Gaussian envelope and rectified cosine envelope.
    结果表明，性能比较理想的是高斯型包络的调制脉冲和升余弦包络的调制脉冲。

noun

1. ratio of the adjacent side to the hypotenuse of a right-angled triangle

   Synonym:    cos