查询词典 error component

In this thesis, a spatial error model of multi-axis NC machine tools is presented, and a feasible method is improved for measuring its fundamental error component.

本文围绕五轴联动数控机床的加工精度，从几何误差补偿到伺服控制再到轮廓误差控制，进行了多方位的理论研究。

It can obtain a gain of 4.5dB in channel of Gauss and 9.5dB in channel of Rice. Additionally, performance of bit error rate of component code with SM64QAM and HMsym64QAM is tested. It is concluded that the multilevel coding scheme has specific property of unequal error protection.

另外通过仿真采用标准64QAM调制和对称分级64QAM调制两种调制方式的多级编码方案的各分量码的误码性能，可以看出多级编码方案具有不等差错保护的特性。

IMU signal which is in ground coordinate system transforms to output in missile coordinate system through transformation matrix, and considering the constant error of inertial component, white noise, and random error, the IMU signal in missile can be simulated.

IMU在地面系下的投影，通过转换矩阵转换为弹体系下的输出，再考虑到惯性器件常值误差﹑白噪声与随机误差的影响，即可模拟IMU在弹体内的输出。

To begin with, the smoothing effect of error which is decomposed into orthogonal vectors in grid function space is analyzed. The error-reducing effect in orthogonal subspace which is developed from high frequencies and low frequencies component has been analyzed.

将协调有限元空间分解成高频子空间与低频子空间的直和，从而将误差的衰减变化转化为考虑高、低频子空间上的误差的高频与低频分量的衰减变化。

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。

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。

The relationship between barotropic tidal currents and sea level were established for the first 45-day period using the transfer functions and harmonic analysis, and then carry the prediction for the second 45-day period. There is very good agreement between the observed and predicted semidiurnal tidal current, the rms error is less than 3 cm s-1. However, prediction on diurnal tidal current is rather disappointing, the rms error is about 19 cm s-1, suggesting strong baroclinic tidal component may have a significant contribution to the tidal current, which is not registered in the sea level records.

利用转换函数与调和分析两种方法，验证水位预报正压潮流的可行性，将观测资料分为等长的两段时期，藉由第一段时期约45天的正压潮流与水位的关系，预报下一段时期约45天的正压潮流，结果显示半日潮流的观测值与预报值大致符合，其均方根约在3公分/秒以下；但是全日潮流的观测值与预报值的差异大，其均方根最大可达到约19公分/秒，推测其原因为斜压潮分量大而影响潮流，但是不会对水位资料造成影响。

The result is evaluated using mean absolute error, maximum absolute error and minimum absolute error.

所选用的精度指标包括：绝对值平均误差、绝对值最大误差以及绝对值最小误差三种。

The dependent variables were absolute error, variable error, and error detection capability.

依变项为动作准确性、稳定度和错误侦察能力。

Through compared with the difference of the sampling inspection's OC curves between existent and nonexistent inspection error by utilizing grouping method, we get the conclusion that all the traditional methods are designed on the premise that there is none inspection error exist, so it would terribly depress the probability of acceptance and couldn't veritably reflect the quality of the lot for inspection, if the inspection error is exist when sampling inspecting.

同时通过对集团检验错误存在与否的抽样检验特征曲线的比较，指出：以往的集团抽样检验方案设计，都是在假设无检验误差前提下设计的，在抽样检验中，若存在检验错误，会严重影响抽样检验的接收概率，使抽样检验结果不能客观地反映检验批的质量。

A backer of an Afghan law that critics say legalizes marital rape has rejected the international outcry as foreign meddling.

饱受批评的一项法律的拥护者说合法化的婚内暴力不会受国际舆论的干涉。

Years ago, a ancient Egyptian fleet went to the Land of punt for seeking a kind of flavor named "myrrh", and aromatic plants which has dense exotic style for the queen Hatshepsut.

3500年前的一个古埃及的舰队到&彭特之地&寻找一种叫没药的香料。