查询词典 estimating error

In this paper, some problems that have to be faced with in the application of SPLL to static synchronous compensator are analyzed, and two improvements of SPLL are proposed. The first one is removing the filtering function of lead-leg element into the prepositive delayed signal cancellation element to remedy the difficulty in deciding its parameters; the second one is directly taking the post-PI regulation output of q-axis voltage as error signal of phase to call off the forward integrating element.

分析了软锁相环应用于静止同步补偿器时面临的若干问题，并提出了2方面的改进方案：一是针对超前/滞后环节参数选取困难的问题，将其滤波功能转移到前置延时信号消除环节中；二是q轴电压经PI调节的输出直接作为相位的误差信号，减少了前向积分环节。

Charge example in whom five node form, 4 node adopt Newton - pressgang modest law go on trend calculate, another node to contain wind-driven generator adopt PQ change, take the place of model go on trend calculate, change, take the place of with ordinary trend computing method first, judge revision wind electrical machinery nodal voltage error go on for the second time changing and taking the place of in establishing range.

在五个节点构成的算例中，4个节点采用牛顿-拉夫逊法进行潮流计算，另外一个含有风力发电机的节点采用PQ迭代模型进行潮流计算，先用普通潮流计算法迭代，后经过修正风电机节点电压判定误差是否在设定范围内进行第二次迭代。

On the basis of essential nonlinear characteristics in municipal wastewater biology treatment process ,control strategy of fuzzy self-revised method based on neutral network is adopted and some different degree of membership functions which will influence on control error are compared in order to improve control prevision.

针对城市污水生物处理过程存在的本质的非线性特性，采用了基于神经网络的模糊自校正方法的控制策略，同时为了提高控制的精度，比较了各种不同的隶属度函数对控制误差的影响。

This paper analyzes the change of the primary stress in the vessel body and vessel head and the influence on the safety property of pressure vessel caused by the whole shape error based on finite element analysis. Some universal results are achieved.

本文以有限元应力计算为基础，分析了整体形状偏差所造成的筒体和封头的一次应力的变化情况及其对压力容器安全性能的影响，得出了一些具有普遍意义的结果。

In AO system,Wavefrontsensor is one of the most important component among three prime parts forming closed loopsystem,which acts as wavefront phase error detector.

在成像自适应光学系统里共同构成闭环反馈回路的三大部分中，波前传感器担当波前误差传感的作用。

Fast algorithms.for determining the k-error linear complexity profile of a sequence over GF(2) and GF with period p〓 are proposed, where both 2 and q are primitive root modulo p〓.

给出了计算2元p〓周期序列和q元p〓周期序列k－错复杂度曲线的快速算法，这里2和q都是模p〓的本原根。

The Primrose curriculum was developed by founders Paul and Maxim Erwin after 20 years of trying and error.

记者迎春花的主要课程由创始人保罗和马克西姆。欧文经过20多年的摸索和失败而设置的。

Precision estimation of principal direction is more objective by using principal stress deflection error proposed in this paper.

提出了主应力的偏角误差概念及其计算方法，使主应力方向的精度评定更加真实客观。

Cause 原因 This error likely means a resource adapter archive has been migrated where the passwords in the security principal map were encrypted on a different server using the encryption tool.

这个错误可能是指资源适配器档案已被迁移的密码的安全主要是加密的地图上不同的服务器使用的加密工具。

Based on the description of Mohr-Coulomb and Drucker-Prager yield criteria with invariant of stress, a formula for error estimation of unit strain energy between the two stress states is established in the deviatoric plane of the principal stress space, which satisfies M-C and D-P yield criteria respectively. A general procedure to transform M-C material parameters to D-P analysis parameters is obtained.

基于应变比能的概念，在偏平面内建立了分别进入Mohr-Coulomb和Drucker-Prager屈服面时所需形状改变比能的差值公式，获得M-C材料参数向D-P计算参数等效的统一性方案。

Finally it offers the analysis of the fault-tolerance system as well as its test verification.

这样，运行于空间环境中的系统的设计目标就是在保证系统实时性

However, it is still difficult to find out the real reason of the increase of the keratinized gingiva during the orthodontic extrusion whether it is due to the proliferation of the gingival tissue or to its elastic nature, that is because the proliferation of the fibroblasts as well as the connective tissue changes in volume and the intra-fibers spaces were all immeasurable in most of the studies.

然而，仍然难以找到真正的原因增加的角化牙龈在正畸挤压它是否是由于扩散的牙龈组织或其弹性性质，这是因为增殖的成纤维细胞以及作为结缔组织的变化量和内部纤维空格都是不可估量的，大多数的研究。