查询词典 input error

Firstly, the residual error of each time step is calculated, and then the adaptation matrix is generated in accordance with the residual error. Through the proposed error index the on-line adaptive tracking of system parameter can be identified.

首先，每一个时间点的残余误差将被算出，而适应性矩阵根据残余误差产生，最后透过推荐的误差指数使得系统参数可以即时的被识别。

The tracking error is uniformly and ultimately bounded in the presence of initial error and bounded modeling error.

使得对于存在初始误差以及模型误差有界的情况跟踪误差一致终值有界。

A two dimensional fuzzy controller was designed to keep the interelectrode gap at a stable and low value, the inputs of controller were the current error and the change of current error which was transferd from the error of interelectrode gap.

设计了一个二维模糊控制器，以进给速度的增量为模糊控制器输出，将间隙的误差转化为电流的误差及误差的变化，以此作为模糊控制器的二维输入向量，使加工维持在稳定的小间隙状态。

A fuzzy controller was designed,of which the inputs were the force error and the change of force error which was transfered from the error of interelectrode gap by using another BP NN which was trained by the pair of the gap-force data gathered in the test, the output of controller was the increment of feed velocity.

与阴阳极间间隙的关系；采集电解加工过程中阴极表面上的力信号，经过信号处理后用其训练一个BP神经网络，实现间隙的在线检测；设计了一个模糊控制器，把间隙的误差转化为力的误差，将误差的变化信号作为模糊控制器的输入，将进给速度的增量作为模糊控制器输出。

The main contents include: Some preliminary theory (introduction to Sobolev spaces and variational formulations for differential equations); finite element methods for one-dimensional elliptic problems; the construction methods for general finite elements; error estimates for interpolation operators and inverse inequalities for finite element spaces; a priori and a posteriori error estimates for the finite element method for high-dimensional elliptic problems; some typical spectral methods for partial differential equations; error analysis for the spectral approximation for some linear and nonlinear partial differential equations.

主要内容有：准备知识（Sobolev空间的基本概念和主要结果，微分方程的变分描述）；一维椭圆型方程有限元方法；一般有限元的构造；插值算子误差估计和逆不等式；高维椭圆型方程的先验、后验误差估计；求解偏微分方程的几类谱方法；线性与非线性问题谱逼近的误差分析等。

The concepts of weight lattice structure, sphere lattice structure and lienor lattice structure are introduced to describe it, some properties of the k-error lattice structure are given, and a relationship between the k-error lattice structure and the k-error linear complexity is presented. These create a elementary frame of the stability theory of the lattice structure.

提出了伪随机序列格结构的稳定性问题，引入重量格结构、球体格结构、k-错格结构等概念来描述之，给出了k-错格结构的一些基本性质，并研究了k-错格结构与k-错线性复杂度的关系。

In chapter two,we consider a lumped mass generalized difference scheme for linear integro-differential equation in two dimensions.Lp and error estimates of the generalized Ritz-Volterra projection u ? V and and -norm error estimates of Dk = 1,2 are made,then we obtain and -norm error estimates of u?

第二章考虑二维线性积分微分方程的广义差分集中质量法，建立了广义Ritz-Volterra投影，得到u-V_h~*u的W~(1，p)和L~p(2≤p≤∞)模误差估计和D_t~k，k=1，2的V~p和W~(1，p)(2≤p≤∞)模误差估计，从而得到u-u_h的最优W~(1，p)和L~p(2≤p≤∞)模误差估计。

In chapter three,we consider first order generalized difference scheme for linear Sobolev equation in two dimensions.Lp and W1,p-norm error estimates of the Ritz-Volterra projection u-Vhu and W1,p-norm super error estimate of uh-Vhu are made,so we obtain Lp and W1,p-norm error estimatesOf u-uh.

第三章考虑二维线性Sobolev方程的一阶广义差分格式，建立 Ritz－Volterra投影模误差估计和的模超收敛估计，从而得到的最优模误差估计。

Web-based application system of geometric error compensation aims to broaden error compensation technology by using network. SMART-CNC machine tool has been chosen as the object of experiment. Based on the kinematics of multi-body system, the movement equation for SMART-CNC machine tool has been built.Furthermore, web-based error compensation system has been implemented.

基于Web的数控曲面磨床几何误差补偿技术：以误差补偿技术的网络化应用为目的展开研究，选取SMART-CNC 数控曲面磨床为研究对象，运用多体理论，建立了磨床的运动模型，获得了与精密刀具轨迹相对应的逆变刀具路线或逆变数控指令的求解方法，在此基础开发了基于网络的误差补偿软件，构建了网络化误差补偿服务系统。

We found that the mean square error of difference value between GPS monitoring deformation and the second-order leveling surveying deformation is less than 1 mm, and there is a smaller systematic error between the ellipsoidal height deformation and the second-order leveling deformation ,whose value is about 0.5~1 mm; however, this system error does not affect the outcome of vertical deformation monitoring.

结果 得到的GPS监测变形量与水准测量变形量差值中误差＜1 mm，且GPS所测大地高变形量与二等水准测得的变形量间存在一个较小的系统偏差，其值在0.5~1 mm之间，该系统偏差不影响垂向变形监测的结果。

Pachomius manual labour was organized as an essential part of the monastic life; and since it is a principle of the monks as distinguished from the mendicants, that the body shall be self-supporting, external work of one sort or another has been an inevitable part of the life ever since.

根据圣pachomius体力劳动组织作为一个重要组成部分寺院生活；以来，这是一个原则的和尚，作为有别于乞丐，该机构应自支撑，对外工作的这种或那种已一个必然的一部分，生活至今。

In order to study the effects of parametrical rolling on the ship movement and tilts, in allusion to ship's navigating in regular following waves, the equation of ship rolling motion is transformed into normal Mathieu equation by proper variable replacement when strong parametrical excitation in restoring moment varied according to sine or cosine wave.

为研究参数横摇对船舶运动和倾覆的影响，通过对船在规则波上随浪航行时，恢复力矩中出现的1个以正余弦规律变化的强参数激励项进行适当的变量置换，将船舶的横摇运动方程转换成标准形式的Mathieu方程。