查询词典 gauss curvature

According to the curvature and convex-concave characteristic of the fitting curve, inrush current and fault current of power transformers can be distinguished.

该方法利用初始5ms内差电流的数据（5ms数据窗），将其拓展为长10ms的数据窗，然后通过最小二乘算法拟合差电流波形得到其近似表达式，再根据拟合曲线在各点处的曲率和凸凹特性来区分变压器励磁涌流和内部故障。

Utilizing the sample data within 5ms after fault initiation and extending the date windows from 5ms to 10ms, the approximate current formula can be extracted from fault current or inrush current using least square fitting method. According to the curvature and convex-concave characteristic of the fitting curve, inrush current and fault current of power transformers can be distinguished.

该方法利用初始5ms内差电流的数据（5ms数据窗），将其拓展为长10ms的数据窗，然后通过最小二乘算法拟合差电流波形得到其近似表达式，再根据拟合曲线在各点处的曲率和凸凹特性来区分变压器励磁涌流和内部故障。

In order to exam feasibility of ear rows counting method by machine vision, a new method was raised. This method is based on edge marker and discrete curvature.

为了评价通过机器视觉的方法进行穗行数自动检测的可行性，提出一种新的基于边界标记和离散曲率的边缘算法确定行数，建立了检测模型。

The AL-alloy deformation rule and the cutting force are studied in high-speed ball-end milling of curved surface; in this case, the cutting forces model is established by means of microelements. Through the theory analysis and experiment studies, the relationship of the curvature of machined surface and cutting forces is developed, and these establish the basis for choosing the tool path of high-speed cutting.

对高速铣削时铝合金材料的变形规律以及采用球头铣刀加工曲面时的切削力进行了研究；采用微元法建立了基于曲面加工的球头铣刀切削力模型；通过理论分析和实验研究建立了加工曲面曲率和切削力的关系，为高速切削刀具路径优选奠定了基础。

Taking account of the deficiency on dealing with great curvature changing point cloud by existing algorithm, this paper sets forth a new data reduction idea based on virtual laser scanning, and then presents the detail flow chart.

针对现有算法处理曲率变化大的点云效果不好的问题，提出了一种虚拟激光扫描的数据简化新算法，给出了算法的详细流程图；针对散乱点云数据，提出了基于场函数理论的数据分割方法。

The exponent of each item was discovered based on the optimizing the diagram factor, minimum radius of the cam curvature, maximum positive and negative accelerations of valve.

对于每一项的指数，则采用对气门运动加速度、丰满系数、最小曲率半径等优化的方法来寻求。

Finite-element analysis of quadrangular drill tower under wind load ;2. Curvature variation rule of cable and membrane structures subject to the wind load ;3. Then the wire strands and catway of Zhoushan Xihoumen bridge applied wind load in main cable construction are studied.

探讨了西堠门大桥主缆架设期间不同工况中索股在各级风载下的横向变形规律，结合猫道在不同级风载作用下的横向变形，通过索股和猫道相对横向变形量确定出猫道上可供主缆架设施工的风速。

The Electric Dust Remover works like this:on the positive and negative pole which two metal curvature diameter's difference is abvious , put through the high voltage direct current and form a static electricity field in which gas is made to ionize.

电除尘器是在两个曲率半径相差较大的金属阳极和阴极上，通过高压直流电，维持一个足以使气体电离的静电场。

This paper establishes cubic spline function, analyzes subsection curve function and curve slope and curvature, at last decides to place the curve especial points which can be obtain easement curve length and other line parameters, such as the ZH point (end of line and beginning of transition curve), the HY point (end of transition curve and beginning of circular curve), the QZ point, the YH point (end of circular curve and beginning of transition curve), the HZ point (end of transition curve and beginning of line).

针对公路平面线形的8种组合类型，其线形元素特征则由最基本的直线、圆曲线、缓和曲线组成的特点，解析三次样条函数模型，得分段曲线函数、曲线斜率、曲率，从而确定曲线特征点（直缓ZH点、缓圆HY点、曲中QZ点、圆缓YH点、缓直HZ点）位置，进而得到曲线缓和曲线长度及其他线形参数。

Scan line is used to detect the boundary of the horizontal rim, least square estimation is applied to compute its orientation, and elastic thread techniques is proposed to approach the curve with very low curvature.

提出了扫描线测量横向边框外沿并利用最小二乘法计算其走向的方法以及用来拟合曲率极小曲线的弹性线技术。

Vishnu entered a dark fourth dimensional dream that did not support his field or continued life.

毗瑟挐进入了一个第四密度的黑暗梦想，那里并不支持他的能量场或继续生命。

Leaders and decision-making persons use it to collect the data, including the information of unit work, handing in fee, oweing fee, prepaying fee,changing and afterpaying and account transfering of joining-insurance employee, and account paying of all kinds of insurances from hospitalization insurance institutions.The collected data is picked up, organized, switched and showed to user.

该子系统主要面向各级领导、决策分析人员；从各个医疗保险经办机构和定点医疗机构采集数据，包括在各个医疗保险经办机构处理的单位办公信息，单位缴费、欠费、预缴费信息，参保职工变更信息，参保职工增减变动信息，参保职工补缴信息，参保职工帐户划拨信息：包括各定点医疗机构处理的各险种帐户支出信息，各险种的统筹金支付信息等；将采集的数据提取，组织和转换，然后展示给用户。