Wind tunnel measurement gives the velocity field and vorticity field in intersection plane at different downstream position, which is up to 20 times cord-length.
风洞实验采用PIV测量了沿流向下游不同截面的涡量场和速度场,测量截面距机翼后缘最远达到20倍弦长。
So, remember, in the linear system, you can think of a linear system as asking you to find the intersection between three planes because each equation is the equation of a plane.
记住,线性方程组问题,可以理解为求三个平面的交,因为每个方程就是一个平面。
Say that I give you an ellipse in space as maybe the more, well, one exciting way to parameterize an ellipse in space is maybe the intersection of a cylinder with a slanted plane.
给定一个空间里的椭圆曲线,一个来参数化这曲线的有趣示例是,表示为圆柱体与斜面的相交部分。
(geometry) a curve generated by the intersection of a plane and a circular cone.
(几何)一个平面和一个圆锥体相交而生成的曲线。
A closed plane curve resulting from the intersection of a circular cone and a plane cutting completely through it.
由完全相交的一个圆锥体和一个平面的交集所形成的闭合的平面曲线。
An image with intersection lines between grating planes and a known objective plane can be captured by a digital camera.
将光栅投影到已知目标平面,通过数字摄影得到光栅平面与目标平面相交的光栅图像。
The projection onto a plane of the intersection of a surface with a plane parallel to the projection plane.
一个曲面和平行于射影平面的一个平面的交线到某个平面的射影。
The first plurality and the second plurality are arranged so that the first plane intersects with the second plane along a straight intersection line.
设置所述多个第一和多个第二声学驱动器,使所述第一平面与所述第二平面沿着直的交线相交。
It is showed that a shock wave speed distribution in red light period at a plane intersection satisfies a normal assumption, as well as Poisson assumption.
依据实际测量数据,论证了平面交叉口绿灯转红灯时车流堵塞波的推进速度满足正态分布假设,其拟合优度高于泊松分布假设。
The intersection visibility rule of a line and general plane was concluded and a new judge method on intersection visibility of them was also put forward in this paper.
它与用重影线法求直线与平面相交交点相结合,为直线与平面相交直线可见性判断提供了一种新方法。
To study the intersection visibility of two general place planes, this paper set the planes as two faces of front and backs from the point of projection character of a space plane.
为了研究两平面相交可见性的规律,从空间一个平面的投影特点入手,将平面分别设定为正面、背面两面,讨论平面图形各顶点投影顺序与平面正面、背面的投影所具有的内在规律。
This paper expounds the use of an auxiliary plane in seeking the point of intersection between a straight line and a plane, using a comparative analytical method.
采用对比法对辅助平面在求一般位置的线面交点中的作用进行了论述。
The intersection visibility rule of a line and general plane was concluded and a new judge method on intersection visibility of two general place planes was also put forward in this paper.
同时,阐述两平面相交交线的空间位置情况,从而得出两平面相交可见性判断的新方法。
The paper presents the graphic method of solution of the intersection of right elliptic cone with plane by rotation of auxiliary planes at a certain Angle.
提出一种将辅助平面旋转某个特定的角度图解正椭圆锥面截交线的方法。
Each time the plane intersects the model it records the curvature at the intersection.
每次平面相交于模型并在交汇处记录它的曲率。
This paper presents one kind of numerical method of tunnel engineering and discusses a numerical method for finding the intersection of curved surface and plane in space and its application.
给出了隧道工程的一类数值方法。讨论了求空间曲面与空间平面交线的一种数值方法及其应用。
It is known that the projection of the intersection of quadrics with common plane of symmetry on this plane is a curve of second order.
具有公共对称平面的二次曲面的交线在该平面上的投影为二次曲线。
Under definite conditions, the intersection of an elliptic cone with a plane is a circle.
在特定条件下,椭圆锥与平面的截交线为圆。
The projecting lines are discussed by using the line of intersection in horizontal ( H ) plane, profile ( W ) plane and frontal ( V ) plane.
并讨论相贯线在水平(H)面,侧立(W)面,正立(V)面上的投影线。
A tracing algorithm for calculating the intersection curves of two free-form surfaces by using their osculating plane is presented in this paper.
提出了一种利用密切平面对两自由曲面进行追踪求交的算法。
A new algorithm for calculating the intersection curves between parametric surface and a plane is presented.
提出了一种参数曲面与平面的精确求交新方法。
This reveals preliminarily that many structural polyhedra and coordinated polyhedral molecules possess the character of intersecting plane or folding intersection between the …
并初步揭示了许多结构多面体和配位多面体分子具有交错面或由两个多面体交错叠合的性质。
This article is intended to provide new algorithms for the intersection processing of straight line and arc used in the 2-D plane figure.
本文介绍了一个用于二维平面图形的直线、圆弧相贯处理的新算法。
It has infrared images processing, volume intersection technique, 3d representation scheme of an object, and accomplishes reconstruction of 3d plane structure by Octree coding.
该系统包括红外图像的处理技术、三维信息提取的体相交技术、三维形体的表示方法和基于八叉树结构的飞机三维形体重建的实现。
It has infrared images processing, volume intersection technique, 3d representation scheme of an object, and accomplishes reconstruction of 3d plane structure by Octree coding.
该系统包括红外图像的处理技术、三维信息提取的体相交技术、三维形体的表示方法和基于八叉树结构的飞机三维形体重建的实现。
应用推荐