查询词典 error

In the course of the research of modulation measurement based on phase shift techniques, this paper gives the programs on error margin analysis of the phase shift and the function analysis of grating, and analyzes facts that phase shift error has some effects on obtaining modulation value.

在研究基于相移技术的调制度测量原理中，编写了相移误差分析及光栅性能分析的程序，并分析了相移误差对获取调制度信息的影响。

The three-axis rotating platform calibration formulas of scale factor error and mounting error of laser gyro in SAHMS have been deduced.

推导了基于三轴转台的用于标定系统中激光陀螺刻度因子误差和安装误差的公式。

Without imposing any additional constraint or changing the error criteria, this dissertation extends the original CIM to solve the three dimensional LS-WMN problem (the weighted minimum number polygonal approximation problem with the line segment error criterion).

本文将其推广到三维情形，解决了三维〓范式下的LS-WMN问题（线段误差条件下的带权多边形曲线最佳逼近问题）。

By computer simulation, the effect of structure parameter errors on position error and the effect of joint variant θ〓 on position error are analysed.

通过计算机仿真，分析了各杆件结构误差的大小变化对测头位置误差的影响，以及各关节变量θ〓的变化对测头位置误差的影响。

When the weight signals from each quadrant are added together to determine the seat occupant weight, the error is eliminated as the positive and negative error component cancel each other out.

当将来自每个象限的重量信号加起来以确定座椅乘坐者重量时，由于正负误差分量相互抵消，所以误差被排除了。

This method is applied in gasoline Low-Resolution Raman spectra data preproc he max positive/negative error and root mean squares error of cross validation of the partial least square model based on spectra after preprocessing is used to build are selected as criterion.

将其应用于汽油低分辨率拉曼光谱的预处理，并采用预处理后光谱建立的偏最小二乘模型预测值的最大正负误差和交叉检验的均方误差作为指标。

First not taking the measurement error of covariates into account, we construct respectively structural regression models of lung function indices on the covariates. Then we use structural regression models with measurement error of multidimensional covariates to estimate synthetically the average effects of air pollution on lung function of preadolescent children.

先不考虑协变量—儿童年龄、身高、体重的测量误差，分别就儿童的各项肺功能指标对年龄、身高和体重建立结构回归模型；然后在协变量的测量误差分布相同和不同的假设下，分别建立各项肺功能指标对年龄、身高和体重的带有测量误差的结构回归模型，从而综合估计空气污染对儿童肺功能的平均影响效应。

Common multiple compound control is switched automatically by program based on predeterminate error value. Therefore, how to select suitable error value and disturbance during switching are unavoidable defects.

由于常规多模复合控制是按照事先设计的切换阀值由程序自动进行切换，所以它们存在阀值如何选取和切换扰动等问题。

Based on Taylor decomposition and the principal of matrix turbulence,the measuring error of structured light and error from light-plane calibration were analyzed,in which cross-ratio invariant was used in calibration of structured light system.

本文针对交比不变原理的结构光光平面标定方法，利用泰勒展开和矩阵扰动原理分别对系统的测量误差和光平面标定误差进行分析，提出了结构光测量系统的误差传递模型。

It's pointed out that soft sensor will play more important role in field bus network control system. According to this, a crude solution was addressed. At last, we point out that soft sensor technology must used to build an information warehouse for the whole enterprise, combined with data fusion, data warehouse, data rectification and other related technologies. The main contributions of this dissertation are as follows: The background, requirement, and application situation of soft sensors are expounded, the theories, methods and skills of soft sensing technology are analyzed, and the fruits and problems in current soft sensor technologies are summarized. Some new methods of soft sensor is proposed: A principal component analysis-based secondary variable selection method are proposed; A new conception which modeling data should have gross error detection is addressed, and then a cluster analysis-based modeling data gross error detection method is given.

本文的主要贡献有：对软测量技术根据实践的要求进行了一定的理论研究，针对具体问题提出了新的方法：讨论了辅助变量选择问题，研究了基于主元分析的辅助变量选择方法，该方法克服了传统方法只能利用数学模型产生的仿真数据进行最优辅助变量选择的缺点，可以根据历史数据进行辅助变量选择；提出了建模数据显著误差侦破的概念，指出传统的显著误差侦破研究的是已知过程数学模型的情况，而建模时数学模型是未知的，但是直接来自现场的数据并不能保证不含显著误差，并用基于聚类分析的方法解决了该问题，该方法利用聚类分析原理，直接面对过程数据，不需以过程模型为基础，在此基础上给出了软测量建模过程中样本数据的处理方法。

I can not make it blossom and suits me

我不能让树为我开花

When temperatures are above approximately 80 °C discolouration of the raceways or rolling elements is a frequent feature.

当温度高于 80 °C 左右时，滚道或滚动元件褪色是很常见的特征。