查询词典 geometrical mean

ABSTRACT Straightness measurement is one of the most basic measurement items in the field of geometrical measurement.

直线度测量是几何量计量领域里最基本的计量项目之一。

A quarter of a strap-on rocket instead of the whole struture is modelled by using of the geometrical symmertry.

提出利用捆绑式火箭对称性的计算模型，对有两个正交对称面的带四个助推级的捆绑式火箭取四分之一的结构进行分析。

In the last two sections of this chapter,we give two applications of the new Z_p geometrical index theory to the existence of periodic solutions and subharmonic solutions for a class of wave equations with deviating arguments.

在本章中，我们还给出广义Z_p几何指标理论在含有偏差变元的波动方程中的应用，得到周期解与次调和解存在(来源：12e2ABe9C论文网www.abclunwen.com)性的两个结果，即使对正常变元的波动方程，这些结果也是新的。

Surface curvature is used to estimate the geometrical parameters of the surface patch and give qualitative analysis on surface patch.

利用曲率从深度图象中提取出表面的几何参数，对表面作出定量分析。

The multi-dimensional signals measured by sensors with a machine working under normal condition or fault condition, can be used to build Q statistic and T^2 statistic respectively to detect the state of the machine. Meanwhile, the feature vector is constructed by the Q value and the T^2 value, the geometrical distance between the normal feature vector and the feature vector H when the machine goes wrong is used to realize the fault location. The results show that the method is feasible.

利用多个传感器测量的异步电机多维信号参量，构建电机在正常工作和发生故障时的Q统计和T^2统计，以实现电机的状态检测；利用Q统计和T^2统计值构建电机的状态特征向量，通过比较度量当前电机的特征向量与电机发生故障时的特征向量H的几何距离来实现电机故障的定位与分离实验证明，该方法可以有效地实现故障的诊断与分离。

Tangram is a toy comprised of many geometrical pieces that can be put together.

七巧板就是用许多几何图形进行拼凑的一种玩具。

In this paper the different methods ti find general term formulas of power series sum functions,by means of which coefficients are higher arithmetical of geometrical sequence .

利用差分法导出了求幂级数和函数的一个通项公式，用它能求出系数为高阶等差数列和高阶等比数列的幂级数∑∞n=0 anxn的和函数

The mathematical expressions of stiffness and bearing capacity were deduced,and the method of determining air spring parameters was put forward by analyzing the geometrical transmogrification and the stress of theca.

导出计算垂向承载力和刚度的数学表达式，提出通过囊壁应力分析和几何变形分析确定空气弹簧参数的方法，通过与试验结果的对比，验证了此方法的可行性。

Aimming at the shortcoming in precision measurement of artillery adjusting, a kind of three-ply intersection measurement method based binocular stereo vision is proposed. CCD is used to capture images of the sign object attached on gun barrel, and three-dimensional coordinates is calculated by geometrical projection relation of the sign object image.

针对火炮调炮精度检测中存在的不足，提出了一种基于双目立体视觉的三重交会测量方法，在炮身管上附加球状标志物，利用CCD摄像机获取标志物图像，通过标志物成像的几何投影关系计算球心的三维坐标。

What is taken account of includes the effects of the material, geometrical shape, manner of loading, ratio of cycle stress, residual stress and short crack in weld toe on fatigue strength.

该模型考虑了材料、几何形式、荷载形式、应力比、尺寸效应、残余应力及焊趾根部短裂纹等因素对疲劳强度的影响。

You can snipe the second and third union leaders from this position.

您可以鹬第二和第三工会领袖从这一立场出发。

Aiming at the currently shortage of XML streams quality detecting, this paper proposes a new forecasting method of XML streams quality by least squares support vector machines, which is used the method of XML keys' vector matrix as windows, and vector product wavelet transform to multilevel decompose and refactor the XML streams series, that can fulfill real-time checking demand of XML quality, and ensure constraint, consist- ency and integrality. For even more adapting net load, it proposes a control strategy by weight and adaptive adjustment to ensure XML streams quality.

针对当前XML数据流质量检测存在的不足，提出构建XML键的矢量矩阵作为窗口，利用矢量积小波变换多级分解与重构XML数据流，再结合最小二乘支持向量机对XML数据流质量进行预测的一种方法，满足XML数据流质量重构时实时检测的要求，保证XML数据的约束性、一致性与完整性；为了更好的适应网络负载，采取加权与自适应窗口调整等调度策略充分保证XML数据流的质量检测。