1) Curvature
[英]['kɜ:və,tʃʊə, -tʃə] [美]['kəvə,tʃʊr, -tʃɚ]
曲率
1.
An Evaluation Method for the Roundness Error Based on Curvature;
圆度误差评定的曲率法研究
2.
Study of contact force between drill string and borehole wall in constant-curvature wellbores;
等曲率井眼中钻柱与井壁间接触力分析
3.
Curvature line and curvature characteristics of developable surface;
可展面的曲率线与曲率特征
2) curvity
曲率
1.
The practice of predicting natural fracture zones in deep formation in An Peng oilfield indicates that the extremum main curvity method has definite reliability in predicting pull apart fractures of homogeneous terranes.
安棚油田深层系预测天然裂缝发育带的实践表明 ,极值主曲率法在结构均一岩层构造拉张裂缝的预测中具有一定的可信度。
2.
The experimental data has proved that the method can be fit for the shaft with small curvity, especially in straightening the axis in auto′s gearbox.
实验表明此方法适用于初始弯曲曲率较小的轴类零件单步精密校
3.
A computing method is presented for studying the bending moment, axial force and curvity relationship at the section of prestressed concrete beam.
提出预应力砼截面弯矩－轴力－曲率关系的计算方法，并计算了不同预应力度下截面的弯矩－曲率关系。
3) curvatures
曲率
1.
Confidence Regions in Nonlinear Reproductive Dispersion Mixed Models in Terms of Curvatures;
非线性再生散度随机效应模型参数置信域的曲率表示
2.
Then the curvature of the points is estimated and the points with maximum curvatures in a set of close points are located as the true corners.
首先提取出汉字图像的轮廓曲线,然后利用Freeman链码给轮廓曲线编码,根据判断准则,提取出必是拐角点的点与可疑拐角点,最后估算可疑拐角点的曲率,挑出每组临近可能拐角点中曲率最大的点为真实拐角点。
4) bending curvature
弯曲曲率
1.
A cetain value,a method to analyze bending sensing rules of long-period fiber grating(LPFG) according to bending curvature,grating length and grating period was reported,based on coupled-mode theory and perturbation approximation.
基于耦合模理论和微扰近似,研究了长周期光纤光栅(LPFG)弯曲传感特性与弯曲曲率及光栅结构参数(光栅长度和栅格周期)之间的关系。
2.
A method to analyze the resonant wavelength and damping decrement of the transmission spectrum of long period fiber grating (LPFG) with bending curvature was reported.
报道了一种分析长周期光纤光栅(LPFG)透射谱谐振波长和衰减率随弯曲曲率变化的方法。
5) Curvature curve
曲率曲线
1.
Research on grach matching based on Curvature curve;
基于曲率曲线的图形匹配研究
6) curvature of curves
曲线曲率
1.
In order to preserve the detail characteristics in mesh simplification,the discrete curvature of curves is introduced to the method based on quadric error metric(QEM) in this paper.
细节是模型的重要组成部分,而顶点的法向量是描述模型细节的一个重要参数,在网格简化中,为了在保持模型的全局特征的同时也能较好地保持模型的细节,提出了一种采用曲率加权的二次误差作为简化代价的方法,该方法基于二次误差(QEM)简化方法,在代价函数中引入了顶点法向量的变化率,即顶点的离散曲线曲率,从而使得网格简化后模型的细节能够较好地保留。
补充资料：曲率
平面曲线的曲率就是针对曲线上某个点的切线方向角对弧长的转动率，通过微分来定义，表明曲线偏离直线的程度。曲率越大，表示曲线的弯曲程度越大。
k=lim|δα/δs|，δs趋向于0的时候，定义k就是曲率。
曲率的倒数就是曲率半径。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条