投影

It can change order set numbers and overrelaxation parameters expediently according to real need.

计算机仿真模拟和临床PET投影数据的重建结果表明了该方法的有效性。

In the end it discusses the segmentation of currency paper characters based on projection and gets satisfying result.

最后讨论基于投影法的纸币字符分刻的方法，并且取得比较满意的效果。

In the paper, we will make use of the improved alternating projections to carry out two examples on pattern synthesis of the conformal phased antennas on the general paraboloid of revolution and analysis them.

文中给出了改进的交替投影法的计算步骤，并将该方法成功地应用于旋转抛物面上的2个共形相控阵天线的方向图综合。

Through studying the intersection of paraboloid of revolution and cylinder , the author concluded that the horizontal projection of the intersecting lines—, is the famous Four-order algebra curve-Perseus curve.

通过对回转抛物面与圆柱面相交的研究，得出交线的水平投影曲线——为四次代数曲线——Perseus座曲线的结论。

A notable merit of parallel coordinates is its well-founded mathematical foundation.Its projective geometrical interpretation and duality properties facilitate the simultaneous projection information representation of multiple low dimension subspaces.

平行坐标的一个显著优点是其具有良好的数学基础，其射影几何解释和对偶特性使它可以很好地同时表达高维数据在多个低维子空间的投影信息。

Three-dimensional graphics of a variety of parallel projection, for teaching use and reference.

详细说明：三维图形的各种平行投影，仅供教学参考使用。

First, the two independent spaces, containing images and text keywords respectively, are related to each other by the parallel projection.

首先，两个相互独立的空间，分别包含图像和文本词，通过并行投影进行关联。

Place the face of the object containing circles or arcs parallel to the projection plane.

应使有圆形或圆弧的面与轴测投影面平行。

This command sets the viewport projection to parallel.

这个命令设置视口投影图到平行线。

An accelerated acoustic echo cancellation algorithm is proposed in this paper based on Parallel Subgradient Projection technique.

摘要该文在并行次梯度投影技术(Parallel Subgradient Projection，PSP)的基础上，提出一种加速回波抵消算法。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。