曲面面积

基于AUTOCADVBA的曲面面积计算功能开发

Development of surface area calculation function based on VBA for AutoCAD

曲面面积作为目标特征参数之一，在计算机视觉、模式识别、多媒体技术研究中占有重要的地位。

As one of the feature parameters of the object , curve surface area plays an important role in computer vision , pattern recognition , multimedia technology .

裁剪NURBS曲面面积计算的扫描分片积分法

Computation of area of trimmed NURBS surface

本文设计了一种计算裁剪NURBS曲面面积的扫描分片高斯积分法。

An Algorithm is developed to calculate the area of trimmed NURBS Surface by means of " decomposed Gauss integration " .

利用DEM可以提取地形因子，如坡度、坡向、高程信息、地表粗糙度、曲面面积、体积、水系、河网密度等。

Terrain factors such as slope , aspect , elevation , surface roughness , and so on , can be extracted by utilizing DEM based on GIS .

计算旋转曲面面积的定积分公式

Integration Formula for Calculating the Area of the Curved Surface of Revolution

曲面面积求解方法研究

Study on solution of area of curved surface

旋转曲面面积的一般求法

General Formula About Area of Rotational Surface

旋转曲面面积与旋转体体积的积分公式

The Integration Formula about Area of Rotational Surface and Volume of the Body of Rotation

回转曲面面积图像检测光学系统的误差分析

Optical Error Analysis and Improvement of Digital-Image-Based Area Measurement of Irregular Region on Curved Surface

实际上在生产、科研中对曲面面积的测量有着重要的意义，如火炮药筒烧蚀面积的测量，它是分析炮弹的质量和发射状况的一个重要手段。

Actually , it 's significant of area measurement on curved surface in production and research .

利用坐标平移、旋转变换，导出旋转曲面面积求法的一般公式。

By making use of transformation of coordinate translation , coordinate rotation , we deduced general formula about area of rotational surface .

通过阐述建立大型公共绿地数字地面模型的方法，提出了绿地地表曲面面积及土方计算的模型和算法，通过编程来加以实现，成功地解决了大型公共绿地的项目需求。

This paper describes a method of establishing a digital terrain model for a large communal greenbelt and presents an algorithm for calculating the curved surface area and the earthwork of the greenbelt .

然后利用曲面面积元素与坐标面上的面积元素的关系，再转化为二重积分，简化了第二类曲面积分的计算。

By making use of the relation of the area element on the surface and the area element on the coordinate surface , the second surface integrality is straightly translated to the duplicate integrality under distinct conditions .

对于B啨zier曲面的面积求解，传统采用的是数值积分算法，但此算法较复杂，不易实现。

The traditional method of computing B é zier surface area is numerical value integral , but the arithmetic is too complex to implement .

本文将空间中曲线的弧长、曲面的面积公式推广到Hilbert空间中的γ维正则子流形的测度上去，并给出了显式公式。

In this paper , the author extends the formula of the arc length of a curve and the area of a curved surface into measuring the γ - dimensional regular submanifold in Hilbert space and , In ad-dition , he gives an explicit formula .

人体与服装特征曲面间面积松量的影响因素

Influencing factors of area ease between body and garment

这是曲面的面积元。

DS That is the surface element .

并且给出曲面的面积元素的混合积形式等。

On the other hand it introduces the mixed product of area element for curved surface and so on .

可测定曲线的长度和曲面的面积。

To determine the real length of any curve and the area of the curved surface on the pattern so as to have the determined results formulated .

在非静态四点法收敛和连续性理论的基础上，通过使细分曲面的面积目标函数极小，反求出所需的参数值，从而细分得到光顺的极小曲面。

Based on the convergence and continuity theories of the non-stationary 4-point interpolation subdivision algorithm , the solution of the object function associated with surface area is calculated as the free parameter in the subdivision algorithm , and then we obtain the needed fairing minimal surface .

这个公式把体积元，抱歉，把曲面上的面积元，联系到xy平面上的面积元。

So , this formula relates the volume , sorry , the surface element on our surface to the area element in the xy plane .

它表示曲面上的面积元素。

That stands for the surface area element on this surface .

汽车钢化玻璃因曲面形状、面积尺寸不同而采取不同的成型方法、加热方式和淬冷方法。

Different heating , shaping and quenching procedures will be employed for the various shapes and dimensions of the auto-glass .

该方法假定滑移约束面为，在凸模、凹模约束下，所有可能的空间曲面中，面积平方最小的面。

The method assumes that the sliding constraint surface is the smallest area-square surface of all possible surfaces that undergo the constraints of punch and die in the space .

回转曲面上特定区域面积的图像检测方法

The Image-Based Area Measurement Method of Specified Regional on Rotative Curved Surface

其中文章对图像检测技术应用于回转曲面上特定区域面积检测时遇到的标定、几何校正、图像展开与拼接，图像分割等问题进行了深入研究。

The paper deeply studies calibration , correct of image distortion , curved-surface spread and mosaic , image segmentation which happen in the area measurement of special regions on the curved surface using image technique .

在以大量的离散面元表示每个部件曲面的前提下，通过累加不被其他任意部件曲面所遮挡的面元的面积来估算一个部件曲面的浸润面积。

On the premise that numerous surface elements are generated to represent each component surface , a component wet area of the surface is estimated by adding up the areas of such elements that are not covered by any other component surfaces .

Bézier曲面是用于几何造型的最重要的也是最基本的工具之一，研究B啨zier曲面面积在工程中具有较高的价值。

B é zier surface is one of the most important and essential tools applied to geometry modeling . It is valuable to study the area of B é zier surface .