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位置函数

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The biconditional markers placed on the rail track are detected sequentially by the on-board reader, and checked by the feedback logic function of generating absolute position encoding sequence. The exclusive position code consists of the binary information in the shift register.

当列车在线路上运行时,通过车载阅读器顺序检测二值标记,在移位存储器中构成绝对位置编码值,利用生成绝对位置编码序列的反馈逻辑函数进行容错处理,输出定位信息。

Some uniform formulae are established, which link the Laplacian of the position vector function to the mean curvature vector field on any submanifold in the space forms.

讨论空间型中的位置向量场,建立一组统一的公式,将子流形的平均曲率向量场与位置向量及其衍生函数的Laplacian联系在一起。

The velocity potential is expanded about the still water level with the coefficients being the functions of horizontal coordinates.

将速度势沿静水面位置展开,其系数是水平位置的函数。

The algorithm optimizes the initial profile position to address effectively the impact of the initial location of the evolution curve speed,by through point by point to the generation of energy function for the minimal value,to reduce the amount of computation,improve the speed of image segmentation.

该算法优化了初始轮廓位置,有效地解决了初始位置影响曲线演化速度问题,并通过逐点代入法来极小化能量函数,减少了计算量,提高了图像分割的速度。

First,by choosing a control function for a local adaptive optimal neighborhood,the filter window is set in the region with similar normals to avoid the problem of shrinkage and over-smoothing.

首先通过自适应选取最优邻域控制函数来将滤波窗口限制在顶点法向量相近的区域,以防止滤波后模型的收缩和过光顺;然后运用协方差矩阵分析的方法,在最优邻域内计算出各采样点的法向量和曲率;最后以采样点滤波参考平面为基准,分别平滑采样点的法向量和位置,即先对采样点的法向量进行多边平滑,然后根据新的法向量来多边平滑输出各采样点的位置偏移量,最后在法向方向上移动该顶点,以达到降噪的目的。

In order to locate direct singular positions, we begin by expressing the determinant of the Jacobian matrix Jx in terms of position of the center P of the moving platform. The Z and the Y coordinates of P may be chosen from the workspace, then the determinant of Jx is now a six order polynomial of X, the x coordinate of P. The direct singular positions corresponding to are obtained by solving the polynomial equation, and retaining all real roots in the workspace.

由速度分析的Jacobian矩阵Jx,将其行列式值表示成活动平台中心点P位置的函数,寻找奇异位置的方法是先假设平台高度,再假设工作空间内P点的Y座标,使Jx行列式成为P点X座标的六次方程式,求解方程式并保留在工作空间内之实根。

The momentum and polar angle depended position resolution and hit efficiency in each layer of BESmuon detector are calibrated by using cosmic ray and hadron samples.

北京谱仪Ⅱ的μ探测器的位置分辨和击中效率与带电粒子的动量和入射位置有关,利用选取的宇宙线样本和强子样本对μ探测器逐层进行了标度,并利用构造的效率比函数在物理分析中有效地识别μ和强子

A method of double third -power spline is used to add more nodes to the surface of a spiral bevel gear .

提出了一种用位移矩阵法精确求解实现四个或五个位置的刚体导引机构的综合,实现了两边架杆四个或五个对应位置的函数机构的综合以及其它一类连杆机构综合的方法。

This paper analyses the coupling wastage in columniform wave guide gas laser,and gives the function between the coupling wastage of laser guide modulo EH11 and the position and radius of reflector.

分析了圆柱形波导气体激光器中的耦合损耗,给出了最低阶波导模EH11的耦合损耗与反射镜位置、曲率半径的函数关系。研究表明:反射镜的位置和半径存在着最佳值,在取得最佳值时,可得到最低的耦合损耗

The process of establishing neural network is as follows: input parameters of network are selected from thickness, preheat temperature, heat input, welding position and sampling point, output parameter of network is impact ductility CVN, two-layer neuronic network configuration, S-type active function and back-propagation learning algorithm are selected.

文章摘要:采用VC语言实现了X70管线钢环焊接头冲击韧性与环焊工艺之间神经网络结构的建立过程,将壁厚、预热温度、线能量、焊接位置、取样位置作为结构的输入,将环焊接头的CVN值作为结构的输出,选择了具有2层神经元的神经网络结构和S型激活函数及BP学习算法。

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