查询词典 projective coordinates

Different from horizontal interface, coordinates of the conversion of converted waves depend on both dip angle and dip direction of a dipping interface.

不同于水平界面，倾斜界面的转换波的转换点坐标轨迹还要取决于界面的倾角和倾向，而且难于用精确的解析表达式表示。

It is concluded that the precision of these points is attenuated equidistantly as concentric circles. Its center is the weighted average of the coordinates of known points with the radius determined by the precision, the quantity and the distribution of known points. The precision of station points is almost independent of intersection angle, and the precision of known points is almost independent of station point. In some circumstance, the detail points may be more precise.

对测站精度、细部点精度分布规律进行了分析，结果表明：测站精度和细部点精度均呈同心圆向外衰减，圆中心在已知点的加权平均中心上，半径决定于已知点的精度、数量与分布；测站精度与测站的交会角几乎没有关系，细部点精度与测站的位置几乎无关，且可能高于测站精度。

Firstly, to further improve detection accuracy, the tilt angle of the license plate is determined based on the minimum p-th power variance of vertical coordinates of the horizontally projected edge points.

针对常用的旋转投影车牌倾斜检测算法检测精度不高和计算量大的问题，提出一种基于投影坐标p次方差及粒子群的车牌倾斜检测方法。

In practice, when coordinates of two angular of two beam of LD/PSD are measured, people can gained the relative position.

在实际测量中，只要测量双光束LD/PSD 在两个角度时光斑的坐标，即可求得两轴的相对位置。

According to the target angular coordinates on detector, geometry of roll-pitch seeker and its location relative to the missile, the modeling of tracking gimbal angles error signals were derived to realize the close loop control of the roll-pitch seeker.

根据导引头探测器上目标的位置信息，导引头稳定平台状态及导引头与弹体间的相对运动关系，导出了导引头跟踪框架角误差信号的数学模型，以实现导引头的闭环控制。

Machining Department of the company, with its processing system mainly possessing CNC Machining Center and supplemented with lathe, milling machine, linear cut, drilling machine, tapping machine and etc., deals with machining of CNC mass production of aluminum products and coordinates customers with the fabrication processing of polishing, sandblast, anticathode, plating, engraving and etc..

公司机械加工部门、以数控加工中心为主，车床，铣床，线切割，钻床，攻牙机。等为辅助的一个加工系统。进行铝制品数控量产化等加工。以及配合客户进行抛光，喷沙，阳极，电镀，镭雕等工艺处理。

Antiplane responses of a scalene triangular hill or structure, an isosceles triangular hill or structure, an isosceles triangular hill with a subsurface cavity to incident SH waves are studied in this paper based on methods of wave function expanding, complex function, moving coordinates and by employing idea of assistant function.

本文在"分区"和辅助函数思想的指导下，综合利用了波函数展开、复变函数、移动坐标三种方法，研究了等腰三角形凸起地形和坝体结构、非等腰三角形凸起地形和坝体结构、浅埋圆孔附近等腰三角形凸起地形等三类问题对SH波的散射。

According to the electrical power system characteristic, the modified equation which antipode coordinates form Newton - Rough abdicated improves and the simplification development has formed the P-Q resolution.

根据电力系统的特点，对极坐标形式的牛顿-拉夫逊的修正方程加以改进和简化发展形成了 P-Q 分解法。

The software will ask you to enter the coordinates and the apparent motion of the object designation.

软件将要求输入坐标及目标天体的视运动情况。

The irrational function forms interpolation on a polygonal element with arbitrary nodal distribution was constructed by using mean value coordinates of polygonal elements.

本文采用多边形单元的平均值坐标，构造任意节点分布的多边形单元无理函数形式的插值函数，提出了一种求解微分方程边值问题的多边形有限元方法。

The system can be widely used in belt weighing and batching process control,etc.

介绍了基于智能模糊控制的嵌入式配料系统的设计方法，对模糊PID控制过程和系统调零作了重点的讨论，同时给出了PID控制的程序流程图和系统定长调零子程序。

"I dunno," she answered,"but if you show me aroun', I'll recognize it from the lighthouse just outside the porthole."

"我不知道，"她回答说，"如果你能带我转转，我能认出来的，因为灯塔就在舷窗外。"