Cosine
英音[ ˈkəʊsaɪn ] 美音[ ˈkoʊsaɪn ]

余弦

常用释义

词性释义

n.

[数] 余弦
例句
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被限定的余弦函数之反函数叫做反余弦函数。
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;
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。
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。
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。
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。
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。
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。
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
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。
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。
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。
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。
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。
最终以余弦函数对惯性空间的规划轨迹进行插值离散。
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。
1·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。
2·I am a statistician, a "cosine academic," should you find the expression amusing.
我是一名统计学家,“余弦学者”,如果你觉得这个表达有趣的话。
3·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。
4·Each module was an arithmetical command such as add, subtract, multiply, cosine, sine.
每一个组件都是一种算数指令,诸如加、减、乘、余弦、正弦。
5·Add, multiply, cosine, etc., can be combined to generate any mathematical equation we can think of.
加、乘、余弦等的相互组合能产生任何我们可以想到的数学方程。
常用短语
discrete cosine transform
discrete cosine transform - 离散余弦变换
direction cosine
direction cosine - 方向余弦