cosine

cosine

美 [ˈkoʊˌsaɪn]  英 [ˈkəʊˌsaɪn]

  • n.余弦
  • 网络余弦函数;余弦值;余弦相似性

词形变化

复数:cosines  

英汉双解

n.
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

n.
1.
【数】余弦

英英解释

n.

例句

The inverse function of that restricted cosine function is called the arccosine function.

限定余弦函数函数叫做余弦函数

We note that the technique is applicable to any image compression method which employs discrete cosine transforms and quantization.

我们注意技术适用于任何图像压缩方法采用离散余弦变换量化

The cam is of several teeth of cosine curves and of good quality at high speed.

凸轮采用齿正弦曲线高速性能

and an analysis of the law of transfer arm movement, transfer arm rotational angular velocity is cosine changing law.

并且运动状况进行分析得到运动规律余弦规律变化

the probability amplitude of it's ground state and excited state is the cosine's summation form and the sine's summation form respectively.

基态激发概率分别具有余弦求和正弦求和形式

In the fourth chapter, give an implementation of the auto-correlation, Shure recursive, discrete cosine transform in a hardware environment.

第四硬件实现相关舒尔递推离散余弦变换关键模块

the cosine approximation arithmetic generates too large error to be used in numerical simulation despite of saving more time.

余弦近似误差较大数值模拟不宜采用

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步态外形特征角度特征

The mathematic model of concentricity error and a advanced optimal method - "cosine shift plus" are put forward.

提出误差数学模型其中一种高效优化方法移位相加

That would be a nice viewport for trigonometric graphics like sins or cosines.

对于三角图形例如sincosine来说一个viewport

The watermark algorithm is carried out in Discrete Cosine Transform(DCT) domain, and extracting process is instantaneous and blind.

水印算法离散余弦变换进行水印提取过程无需原始图像具有良好实时

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.

柏木林生长土壤活性具有一定抑制作用大部分指标显示出震荡下降连续下降趋势

You know what the cosine of the angle is, so you always get two angles.

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.

强健离散傅立叶转换离散转换

Method: Compare the similarity of the fingerprints chromatography by coefficient of correlation and cosine value of vectorial angle.

方法多维空间比较相关系数夹角计算图谱相似度

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弧度表示指定三角余弦

Well, what I can change is the direction, and this will be the largest when the cosine is one.

可以改变方向cos=1这个可以最大

Find the cosine of the angle between the vertex normal and the newly calculated vertex to light normal.

确定顶点法线重新计算顶点得到光照法线之间角度余弦

Cosine is unilateral in its many applications to the specific problems of specific problem-solving methods choose the good.

余弦定理片面好多应用详细问题详细选择较好解题办法

Since there is no acceleration in the y direction, the normal force must be also mg cosine theta.

既然y方向没有加速度向力等于mgcosθ

Let's now examine the simplest wave form where the profile is a sine or cosine curve.

现在我们考察简单波形剖面正弦余弦曲线

The voltage induced in series with the loop is proportional to the area and the cosine of its angle to the field.

回路电压大小回路面积以及回路磁场方向夹角余弦成正比

A cosine phase shifter is applied in phase shifting circuit to meet the possible maximum trigger current and voltage of thruster.

线路满足硅整流器最大可能触发电流电压

In this paper, text similarity is computed using cosine factors and vector space model, and the author gives the realization of the method.

采用余弦系数向量空间模型计算文本相似度给出实现方法

The authors suggested that the cosine model could be instead of circular distribution method in the analysis of disease peak period.

疾病高峰期分析余弦模型可以代替分布方法

This paper describes a FPGA design for two dimensional Discrete Cosine Transform(2D-DCT)used in JPEG medical image compression.

本文介绍一种适用JPEG医学图象压缩DCTFPGA设计方案

The binary coding of cosine eliminates zeroth order diffraction theoretically, and can generate high pixel hologram.

余弦二编码方法从理论上消除衍射可以制作像素较多全息图

Discrete cosine transform (DCT) is an effective method to signal enhancement.

离散余弦变换信号增强有效方法

A digital image watermark algorithm in DCT(Discrete Cosine Transform) domain with chaotic encryption was presented.

提出一种基于混沌加密DCT数字图像水印算法

Eventually it adopts cosine function for discrete interpolation in the inertial space trajectory planning.

最终余弦函数惯性空间规划轨迹进行插值离散

Focal depth of hyperbolic -cosine-Gaussian beams induced by a phase plate was investigated.

研究分区相位双曲余弦高斯光束焦点区域分布影响

This method can preserve the main structure of image, smoothing noise and removing discrete cosine transform blocking effects.

方法平滑噪声消去方块效应同时保留图像主要结构特征

The inverse hyperbolic cosine is the value whose hyperbolic cosine is number, so ACOSH(COSH(number)) equals number.

余弦余弦number因此ACOSHCOSHnumber))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夹角余弦本文讨论变量之间关系

Google can even work with trigonometric functions, including sine and cosine. Google.

甚至三角函数计算包括正弦余弦

We present a new technique for sharpening compressed images in the discrete-cosine-transform domain.

我们提出一种压缩技术图像锐化离散余弦变换

Best rises the cosine to roll falls the system the multi- diameters transmission Rolls the step-down ratio 0. 5, sample time.

最佳余弦系统传输系数0.5,取样时间偏差

According to quantified standard data, the closed degree of between stylebooks was computed with cosine of included angle.

标准化数据夹角余弦计算样本贴近

So actually, we set this equal to zero. So, we have zero equals da equals cosine theta db minus b sine theta d theta.

实际上我们等于因此我们0=da=cosθdb-bsinθdθ

calculates the direction cosine matrix using a rotation sequence.

特定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.

本文介绍余弦函数应用平面综合技术