cosine angle
英 [ˈkəʊsaɪn ˈæŋɡl]
美 [ˈkoʊsaɪn ˈæŋɡl]
【电】余弦角
双语例句
- In particular, cosine of alpha, I can get, well, we know how to find the angle between two vectors.
特别地，能得到α角的余弦值，我们知道如何找两向量的夹角。 - 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。 - 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。 - The Stability of the Supply Chain Research Based on the Vector Cosine Angle
基于向量夹角余弦的供应链稳定性研究 - Returns the trigonometric cosine of the given angle ( in radians) in the given expression
返回给定表达式中以弧度表示的给定角度的三角余弦 - 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。 - 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。 - 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。 - 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。 - HPLC curves was treated as vector of hyperspace, the similarity between them was calculated by using the cosine value of the angle between them.
将HPLC指纹图谱看作多维空间内的向量，利用向量夹角余弦的基本公式计算两个指纹图谱间的相似度。 - Power Factor Power factor is the cosine of the angle between the active power ( kW) and apparent power ( kVA) in a circuit.
功率因数功率因数是电路中有功功率（W）视在功率（VA）间夹角的余弦值。 - 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。 - The angle displacement of tested body is confirmed with the method of direction cosine, the mathematical model of angle displacement is established.
以方向余弦法来确定被测体的角位移，建立其角位移数学模型。 - Furthermore, by the vector space model, papers are represented by index term vectors, and their correlation can be quantified by the cosine of the angle between two vectors.
并采用向量空间模型建立特征项向量，用向量来表示文献，通过向量的计算来确定含有引用关系文献间的相似度，从而对所引用的文献按相似度排序。 - Therefore, based on the geometric principle of plane equation being determined and Cosine formula to calculate the angle of two planes, a simple analytical expression among launching azimuth, launching point and goal point are obtained firstly in the Earth centered Inertial coordinates.
首先依据确定平面的几何原理和求解平面夹角的余弦公式，在地心坐标系下，得到发射方位角与发射点、目标点的简洁的解析关系； - The cosine of the angle between two directions is chosen as the similarity coefficient, and depending on the different definitions of the similarity coefficient between two groups, five hierarchical clustering methods are raised and discussed.
选择两个方向的夹角余弦作为相似性统计量，又根据类与类之间夹角余弦的定义不同，笔者提出了五种系统聚类方法。 - In the study of chromosome recognition algorithm, we use average gray distribution profile to denote G-band, bring forward a concept of chromosome fingerprint, select cosine of angle method to calculate the similarity, and match the homologous choromosomes.
在染色体图像识别算法研究中，使用平均灰度曲线用来表示G带特征，提出染色体指纹图谱的概念，选用夹角余弦算法来计算两条染色体平均灰度曲线的相似度，进行同源染色体的匹配。 - From the experiment results we find that in the first group two measures seldom used in the literature perform well, they are χ~ 2 statistical distance measure and cosine of the angle measure.
实验中发现第一组相似度量中有两种以往较少用于遥感图像检索的方法表现出色，它们分别是2χ统计距离和相似夹角余弦度量。 - And the elements of the fuzzy matrix are the cosine of the acute angle between two joints, that is, the absolute value of the dot product of two joints 'upward normal unit vectors.
为了构造模糊矩阵，矩阵中的元素取为两节理面锐夹角的余弦，即两节理面向上的单位法向矢量点积的绝对值。 - In the condition of higher percentage of the direct sunlight, the difference of the mean cosine of different zenith angle is inversed with the wind speed.
太阳直射光比例越高，在风速越小时，不同太阳天顶角情况下的水体表层下行光场平均余弦的差别越大，而风速越大，其差别越小。 - This paper proves that current harmonic is in direct proportion to unbalance degree and output power, and is inversely proportional to the cosine value of module input current phase angle.
证明了输入电流谐波与输入电压不平衡率、输出功率均成正比，但与调制输入电流移相角的余弦值成反比。 - The study selected 7 cultivating characters of 47 Fusarium strains to make a numerical analysis on computer. Overall similarities of these strains determined by the matching coeffecient of the cosine of vector angle and the hierarchical clustering analysis of the group& average methed.
本研究以47个镰刀菌菌株，进行生物学性状测定，选取7个培养性状数据，根据向量的夹角余弦法相似系数和系统聚类分析的类平均法，利用电子计算机进行数值分类。 - The strain of the thin-walled ring section beam is investigated theoretically and experimentally. The result shows the local strain varies as the cosine function of twice the positional angle.
对圆环形薄壁截面梁的应变进行了理论与实验分析，结果表明圆环形薄壁截面梁各点应变与该点角度的二倍呈余弦变化关系。 - Correlation coefficient and cosine of the angle are insensitive to the differences of the data set. The results show that gray correlation can be used to evaluate similarity of chromatographic fingerprints.
相关系数和夹角余弦对数据的差异不够敏感，灰色关联度可以用于评价指纹图谱的相似度。 - The results of simulation indicate that the joints of robot are stable along surface of cosine when the machining angle is fixed value. According this, it illuminates that the model of kinematics is correct.
仿真结果表明，当加工角度一定时，沿着余弦曲面研磨时机器人的关节运动平稳，从而说明运动学模型正确。 - The output light intensity of the system and torsion angle of high birefringence fiber are cosine relationship by computer simulation. The ratio of intensities of twist angle is approximately liner with wavelength.
通过计算机仿真发现系统输出光强与高双折射光纤扭转角度成标准余弦关系，扭转角度和时输出的光强的比值与波长近似呈线性关系。 - The results indicated that the breaking load and overhand knot strength of twine bear a regression relation to cosine of twist angle ( cos β).
经分析可见，网线的断裂强力、单线结强力均与捻回角的余弦呈回归关系。 - The differences between Pearson correlation and Cosine of the angle, and differences of similarity calculated by two evaluation software were compared.
比较了相关系数和夹角余弦两种不同相似度测度计算相似度的差异，以及不同指纹图谱相似度评价系统得出的相似度的异同。 - The unification of temperature gradient of the optimized flow field is increased by the change of motion and the temperature difference and cosine of field synergy angle of the fluid near by the boundary elevate.
运动方式的改变使得优化流场截面温度梯度场均匀性增加，换热表面附近温度梯度加大，边界层附近协同角余弦值提高。 - Vector space model presented in accordance with the query words and documents separately to quantify the dimensions of key words, and then by calculating the cosine angle between two vectors means to be a document with the query word similarity.
向量空间模型提出了将查询词和文档按照关键词的维度分别向量化，然后通过计算这两个向量间夹角余弦的方法得到文档与查询词的相似度。