查询词典 convex

Star pattern identification algorithm based on convex polygon with star magnitudes-independent is presented for strap-down celestial guidance.

依其坐标排序，采用由平面上的点生成凸多边形的算法，就能得到唯一的、以恒星为顶点的凸多边形。

Two algorithms are presented for determining the medial axes of a convex polygon and an arbitrary simple polygon.

提出确定凸多边形中轴和任意简单多边形中轴两个算法。

The star pattern identification algorithm based on convex polygon with star magnitudes-independent is adopted to obtain multi-stars positions.

论述了星敏感器捷联在弹体上，采用星图匹配技术修正导弹初始定位、定向的原理。

The convex decomposition of arbitrary planar polygon.

任意平面多边形的凸分解。

Sort-and-Incremental Algorithm Step 4: Intersections of adjacent h-plane pairs in stack form half a convex polygon.

相邻半平面的交点组成相邻半平面的交点组成半个凸多边形。半个凸多边形。

The polar form is used as the representation for one of the composite functions, whereas the Bernstein representation is used for another function. At the last part of this chapter, we consider the problem about generalized Bezier surface, which is defined in arbitrary convex polygon.

我们利用函数复合的思想去处理这个问题，被复合的两个函数一个用Polar形式表示，另外一个用Bernstein基形式表示，这样就可以充分利用Polar形式的多元仿射性，直接生成新的控制顶点，简化了证明过程。

A method to decide whether a vertex on a plane is in a convex polygon or not is presented according to the sign of the third dimension element of cross product of two vect...

引入利用向量叉积符号判定三角形的方向，进而判别平面上一点是否在凸多边形内的方法，简化了计算。

The processes of 3D buffer creation for point, line, face and convex polyhedron are introduced in detail in the paper.

详细论述了点，线，面和凸体的三维缓冲区生成过程。

A dynamic real-time collision detection algorithm facing to the convex polyhedron in virtual environment is presented, which is based on the incremental algorithm.

在Lin-Canny算法的基础上，提出一种虚拟环境下面向凸体的动态、实时碰撞检测方法。

A convex polyhedron has 20 vertices and each of its faces is a pentagon.

一个凸多面体的每个面都是五边形。若它有20个顶点，它有多少条边？

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。