查询词典 error analysis

Based on the thorough study of sources and characteristics of the three errors in laser collimation technology, an error correction method by integrating multi-point detection, multi-variant polynomial step-by-step regression analysis and adaptive noise-elimination is proposed. The influences of beam drift, bending and whipping are taken into consideration to enhance the stability of plumb datum line.

在深入分析激光准直技术中三项主要误差因素来源及其特性的基础上，提出了利用多点监测、多元多项式逐步回归分析法与自适应除噪技术相结合的综合修正方案，建立铅垂基准线的修正模型，综合考虑了激光漂移、光线弯曲以及随机抖动等因素的影响，从而有效提高了铅垂基准线的稳定度。

The methods of the combination of theoretical analysis and realized simulation are used to analyze error.

采用理论估计和现实仿真运算相结合的方法对其分析误差。

An error compensation system for optical current transformer based on wavelet analysis and neural network is designed.

设计了一种基于小波分析和神经网络的光学电流互感器误差补偿系统。

Based on the case study, the conclusions were reached that relative positional root mean square error of each point becomes more as distance between the point and datum point becomes more. And the relative deformation offsets under different kinds of datum are helpful for deformation analysis.

从该算例可以看到，各点的相对点位中误差随基准点至该点距离的增大而增大，根据在各种基准下得到的相对形变值有利于进行形变分析。

Through the analysis about the measure data of three-phase, four wires electric meter in the different modes, we can know that whether the electric meter is connected to earth wire or not, the error is different.

本文通过对三相四线有功电能表在不同方式运行中的计量分析，可以知道接入零线与未接零线在运行中出现同样故障时，其计量的误差不同，会造成计算错误。

Since nonparameter seasonal Kendall test may result in error in total trend analysis of the whole year or many stations when there exist uptrends and downtrends among different seasons or stations, a consistent test method of the total trend is recommended to solve this problem so as to perfect nonparameter seasonal Kendall test.

第三章首先分析了河流水质序列中的几种变化趋势类型，综述了国内外用于趋势检验分析的各种方法，归纳出非参数季节性Kendall检验方法为较理想的方法，然后针对该方法在进行总趋势分析时可能出现的站与站之间、季节之间上升、下降趋势的相互抵消问题，提出了趋势纯一性检验方法，并把这些方法应用于淮河流域56个水质站的趋势分析，取得了满意的结果。

Base on the analysis of the grating linear displacement measurement theory,t he measure errors especially the subdivision error of the grating scale,this paper focuses on the theory of switch and merge of dual grating scales'signals,builds the design criteria of high speed high precision displacement measurement by using dual grating sales,designs the switch picking reference with high precision and fast switch and merge method,analyses the errors brought in by switch and merge of the duals grating scales.

针对光栅尺的电子细分信号具有细分误差的特性，本文提出了对莫尔条纹信号不细分的方法以提高双光栅尺信号切换合成值的精度。经过对双光栅计数切换基准、切换与合成特征和规律的探讨，本文设计了实现双光栅尺双重测量、计数值切换合成法的硬件电路，主要通过可编程芯片FPGA，设计了双光栅尺信号处理的各电路模块，如双光栅尺信号四倍频辨向模块、速度判断模块、切换模块、计数值合成处理模块。

For five-coordinate NC end milling, the author gives the equation of tilt angle, the optimum algorithm of tilt angle, the analysis of machined errors, the compensative algorithm for cutter axis tilt error, and the formulae of feed length, feed width and cutter axis swing angle.

推导了五坐标端铣数控加工中的后跟角计算公式，提出了后跟角的优化计算方法——刀盘周边7点干涉检验法，分析了各种加工误差，提出了刀轴摆动误差补偿方法——刀具切触点偏置法，给出了走刀步长、切削宽度以及刀轴摆角的计算公式。

There are some simplified hypotheses for head motion in the common analysis software packages. Due to large volume of data, the correction error is also large.

但因数据量较大，常规分析软件对实验数据进行运动校正时做了一些简化处理，校正误差较大。

The analySis of the accuracy percentage obtained from 18 valid subjects revealed that the overallnaming mean-square error was significant.

有效被试18人的实验结果，对其命名的正确百分率分析表明，总体方差显著。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷