cosine
美 [ˈkoʊˌsaɪn]
英 [ˈkəʊˌsaɪn] 
词形变化
复数:cosines
英汉双解
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 ) |
英汉解释
英英解释
例句
The inverse function of that restricted cosine function is called the arccosine function.
被限定的余弦函数之反函数叫做反余弦函数。
We note that the technique is applicable to any image compression method which employs discrete cosine transforms and quantization.
我们注意到,该技术适用于任何的图像压缩方法,采用离散余弦变换和量化。
The cam is of several teeth of cosine curves and of good quality at high speed.
凸轮采用了多齿的正弦曲线,高速性能好。
and an analysis of the law of transfer arm movement, transfer arm rotational angular velocity is cosine changing law.
并且对除渣器转臂的运动状况进行了分析,得到了其运动规律成余弦规律变化;
the probability amplitude of it's ground state and excited state is the cosine's summation form and the sine's summation form respectively.
其基态和激发态的概率幅分别具有余弦求和与正弦求和的形式。
In the fourth chapter, give an implementation of the auto-correlation, Shure recursive, discrete cosine transform in a hardware environment.
在第四章用硬件实现了自相关、舒尔递推、离散余弦变换等关键模块。
the cosine approximation arithmetic generates too large error to be used in numerical simulation despite of saving more time.
余弦近似法虽更省时但误差较大,数值模拟中不宜采用。
Then, Discrete Cosine transform was used to analyze the shape and leg angle characteristic and represent the gait features.
然后,采用离散余弦变换分析了步态外形特征和角度特征。
The mathematic model of concentricity error and a advanced optimal method - "cosine shift plus" are put forward.
提出了同轴度误差的数学模型,其中给出一种高效的优化方法一余弦移位相加法。
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。
The watermark algorithm is carried out in Discrete Cosine Transform(DCT) domain, and extracting process is instantaneous and blind.
水印算法在离散余弦变换域进行,水印提取过程无需原始图像,具有良好的实时性。
As the growth of cypress forces, the content of soil n, p, k, organic matter showed the trend of shock downward as a cosine function.
柏木林的生长对土壤酶活性具有一定抑制作用,大部分指标显示出震荡下降或连续下降的趋势;
You know what the cosine of the angle is, so you always get two angles.
你知道cosθ等于多少,所以得到两个角度。
Robust; Phase Shift Keying ; Frequency Shift Keying ; Discrete Fourier Transform; Discrete Cosine Transform; Spread Spectrum.
强健性;相移键控;频移键控;离散傅立叶转换;离散馀弦转换;展频。
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。
Is a mathematical function that returns the trigonometric cosine of the specified angle, in radians, in the specified expression.
一个数学函数,返回指定表达式中以弧度表示的指定角的三角余弦。
Well, what I can change is the direction, and this will be the largest when the cosine is one.
我可以改变的是方向,当cos=1时,这个可以取到最大。
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。
Cosine is unilateral in its many applications to the specific problems of specific problem-solving methods choose the good.
正余弦定理都在其片面有好多应用,现就详细问题详细选择出较好的解题办法。
Since there is no acceleration in the y direction, the normal force must be also mg cosine theta.
既然在y方向上,没有加速度,法向力也等于mgcosθ
Let's now examine the simplest wave form where the profile is a sine or cosine curve.
现在让我们来考察最简单的波形,它的剖面图是正弦或余弦曲线。
The voltage induced in series with the loop is proportional to the area and the cosine of its angle to the field.
回路感生电压的大小与回路面积以及回路与磁场方向夹角的余弦成正比。
A cosine phase shifter is applied in phase shifting circuit to meet the possible maximum trigger current and voltage of thruster.
移相线路中配有与弦移相器以满足可控硅整流器最大可能触发电流和电压。
In this paper, text similarity is computed using cosine factors and vector space model, and the author gives the realization of the method.
该文采用余弦系数和向量空间模型计算文本的相似度,并给出了实现的方法。
The authors suggested that the cosine model could be instead of circular distribution method in the analysis of disease peak period.
在疾病高峰期的分析中,余弦模型可以代替园形分布方法。
This paper describes a FPGA design for two dimensional Discrete Cosine Transform(2D-DCT)used in JPEG medical image compression.
本文介绍了一种适用于JPEG医学图象压缩的二维DCT的FPGA设计方案。
The binary coding of cosine eliminates zeroth order diffraction theoretically, and can generate high pixel hologram.
余弦二值编码方法从理论上消除了零级衍射,可以制作像素较多的全息图。
Discrete cosine transform (DCT) is an effective method to signal enhancement.
离散余弦变换是声信号增强的有效方法。
A digital image watermark algorithm in DCT(Discrete Cosine Transform) domain with chaotic encryption was presented.
提出了一种基于混沌加密的DCT域数字图像水印算法。
Eventually it adopts cosine function for discrete interpolation in the inertial space trajectory planning.
最终以余弦函数对惯性空间的规划轨迹进行插值离散。
Focal depth of hyperbolic -cosine-Gaussian beams induced by a phase plate was investigated.
研究了同轴分区相位板对双曲余弦高斯光束焦点区域光强分布和焦深的影响。
This method can preserve the main structure of image, smoothing noise and removing discrete cosine transform blocking effects.
该方法在平滑噪声和消去方块效应的同时,能保留图像的主要结构特征。
The inverse hyperbolic cosine is the value whose hyperbolic cosine is number, so ACOSH(COSH(number)) equals number.
反双曲余弦值是指双曲余弦值为number的值,因此ACOSH(COSH(number))等于number。
Besides, the relations among all features are demonstrated by calculating the cosine value.
另外通过计算变量之间的夹角余弦值,本文讨论了变量之间的关系。
Google can even work with trigonometric functions, including sine and cosine. Google.
甚至能用三角函数计算,包括正弦和余弦。
We present a new technique for sharpening compressed images in the discrete-cosine-transform domain.
我们提出了一种新的压缩技术,图像锐化的离散余弦变换域。
Best rises the cosine to roll falls the system the multi- diameters transmission Rolls the step-down ratio 0. 5, sample time.
最佳升余弦滚降系统的多径传输。滚降系数0.5,取样时间无偏差。
According to quantified standard data, the closed degree of between stylebooks was computed with cosine of included angle.
据标准化数据用夹角余弦计算样本间的贴近度。
So actually, we set this equal to zero. So, we have zero equals da equals cosine theta db minus b sine theta d theta.
实际上,我们让它等于零,因此我们有0=da=cosθdb-bsinθdθ
calculates the direction cosine matrix using a rotation sequence.
由特定的旋转序列计算方向余弦矩阵
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。