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Because of the presence of the difference of the gray value and the distortion between the object image and the reference image, traditional matching method will be degraded. We need more useful characters. Eigenspace approach is a promising candidate for an appearance-based object representation.

文中提出基于奇异值分解的跟踪算法,算法首先建立模板图像训练集合,利用奇异值分解方法,张成模板图像特征空间,然后求出模板图像在特征空间里的投影值,代替传统算法中灰度对两幅待匹配图像进行的全局搜索定位。

The ideal vehicle convoy is built after the uniformly distributed load is used as the equipollent load. With the maximum function of influence line area under the vehicle convoy, the probability of specific vehicle convoy passing influence line alone and the total weight distribution of specific vehicle convoy, the maximum probability distribution of traffic load effect and under return perild are obtained. Finally, this load model is applied to the example.

模型中把均布荷载作为车辆荷载的等代荷载建立了理想车队,在求出车队影响线面积最大值函数、特定车队单独通过影响线的概率和特定车队总重分布的基础上,得出了车辆荷载效应最大值概率分布和给定评估期的车辆荷载效应最大值概率分布,最后将这一荷载模型应用到实例中。

The convergence of the traditional nonlinear equations is related to the selected initial value, but the convergence of the fixed point method is not related to it.

传统的非线性有限元方程组的数值求解法(牛顿-拉普森迭代法与共轭梯度法)只能求解单值性有限元方程,且其收敛行为与初始值的选择有关,而不动点方法在求解非线性方程组时的收敛行为不受初始值选择的影响,在大范围内是一致收敛的。

Theorem of mean significance: The application derivative research function's nature wants directly or indirectly with the aid of Yu Zhongzhi,Specially Lagrange theorem of mean,Here is mainly from the equality proof, the inequality proof, existence asks some limits, the determination equation root and so on five aspects to carry on the discussion,so, The theorem of mean is transforms as the function in the sector research important tool, Must bring to the enough attention in the middle of ours study and the teaching.

中值定理意义:应用导数研究函数的性质都要直接或间接地借助于中值,特别是拉格朗日中值定理,这里主要是从等式的证明、不等式的证明、求一些极限、判定方程根的存在性等五个方面来进行讨论,因此,中值定理是转化为函数在区间上的研究的重要工具。在我们的学习与教学当中要引起足够的注意。

Aimed at the characteristic of multiple types of faults possibly happened in nuclear power plant, large scale of training sample, and requirement of quick and accurate diagnosing, after the analysis of large sample number generated by large fault type exceeds limitation of 64K paragraph in DOS and large number of local minmum in error surface, measurements of same format of data file, Win95/NT operating system platform, resetting weight learning rate, dynamic training set in quick learning algorithm and improvement on quick learning algorithm using homotopy method which can avoid local minmum points in error surface have been adopted to ensure quickly and effective process of the course of neural network's training and testing.

针对核动力装置可能发生的故障种类多,训练样本规模大,故障诊断需要快速准确的特点等,分析了样本多和故障种类多产生的训练样本量超出DOS段大小和网络误差曲面上局部极小值多的情况,采取了使用相同格式数据文件、Win95/NT操作系统平台,对快速学习算法采用重置神经网络权值学习率和动态训练集、并采用能够有效克服网络误差曲面上局部极小点的同伦方法对学习算法进行改进等措施保证神经网络训练测试过程的快速、有效地进行;针对装置发生的故障须快速、准确诊断的需要,分析了故障的产生对装置参数变化的影响及操纵员对故障诊断的基础,在核动力装置发生故障时参数曲线的变化量与正常运行时参数曲线的变化量存在明显差异的基础上,提出采用参数曲线的变化量作为神经网络的输入,并围绕参数变化量的方法采用二次曲线拟合滤波求变化量和阈值技术来保证神经网络得到精确的装置参数变化量,从而得到准确的诊断结果。

This paper introduces the Taylor formula of one dollar and multi-definition, then the proof of the value from the formula, respectively, that inequality in the value of derivatives is estimated that about industry estimates, demand infinity limit, the median point of the limit function limits, approximation, function equations and so on Taylor formula to do the induction.

本文首先介绍了一元和多元泰勒公式的定义,然后分别从证明中值公式,证明不等式,导数的中值估计,关于界的估计,求无穷远处的极限,中值点的极限,函数的极限,近似计算,函数方程中的应用等方面对泰勒公式的应用做了归纳。

That is, they do the assignment as the remainder modulo the size of the type.

也就是说,赋值时是取该值对该类型取值数目求模后的值。

Ritz variation method was used to find the numerical relation between the energy near the ground-state of the hydrogen molecular ion H 2 + and the changes of the variation parameter and the bond length,the computation formula of bond length and ground-state energy for H 2 + was also obtained by means of the method of parabolic interpolation .

用Ritz变分法求出了氢分子离子H2 +基态能量附近的能量随变分参数和分子键长变化的数值关系,并用抛物线插值法获得了H2 +键长和基态能量的值及其计算公式,比文献 [1,2 ]更接近于实验值。

Interpolating trigonometric polynomial parametric curves with C~2 (or G~1) continuity can be automatically generated without having to solve any system of equations or do any iterative computation. Then, the convexity of the constructed curves can be guaranteed by the appropriate value of the shape parameter.

在无需反求方程组、迭代计算和最值求解的前提下,即可产生插值给定点列的C~2或G~1连续的一族三角多项式样条曲线;进一步研究了该类曲线的保凸性,得到插值曲线保凸时形状参数的取值范围。

Stack will be the first to use infix form of the formula into the form of the suffix and then form the basis of the suffix from the beginning of leaf nodes corresponding binary tree structure Finally after by traversal of the tree, and the value of the subtree, that is, for every arrival a node, the value of its sub-tree has been calculated, when the reach the root node, the obtained value is the formula of true value.

首先利用堆栈将中缀形式的公式变为后缀形式;然后根据后缀形式,从叶结点开始构造相应的二叉树;最后按后序遍历该树,求各子树之值,即每到达一个结点,其子树之值已经计算出来,当到达根结点时,求得的值就是公式之真值。

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The reasons of iron ions content overproof in grade Ⅱ desalting water system,such as variation water quality,contamination of regenerant , operation adjustment of pretreatment system and switching operation of bed were discussed.

对二级脱盐水系统中铁离子含量超标的原因,如来水水质发生波动、再生剂受到污染、预处理系统操作调整、床体运行切换等进行了论述。

You were hired to drum up new business, so go and do it.

公司雇你招徕新业务,你就做你的事好了。

Who is in possession of this?

这是谁的?