叙述了液柱式压力计的精度,对U形管压力计和双管差压计的正确使用方法及误差修正做了简要分析。
The precision of liquid column manometer was described. The correct use method and error correction of U tube manometer and double tube differential pressure gauge were analysed.
通过实例,说明了基于修正容差关系的扩充粗糙集模型对处理不完备信息系统更加简便有效。
By an example, it is verified that the extension of rough set based on modified tolerance relation is more convenient and effective than the previous extensions in practice.
提出了一种基于修正容差关系的扩充粗糙集模型。
In this paper, a new extension of rough set based on modified tolerance relation is presented.
文中介绍了季节性神经网络建立的残差修正模型。
The paper introduces a modified model of seasonal artificial neural network.
文中提出了避免残差灵敏度矩阵存储的新方法,以及对量测估计进行局部修正的方法。
A new method of how to avoid the storage of the residue sensitivity matrix and of how to make local correction of measurement estimates are discussed in this paper.
针对控制点修正的动态规划立体匹配算法存在控制点求取时间长、实时性差的问题,提出一种金字塔双层动态规划立体匹配算法。
To the problems of dynamic programming stereo matching algorithm modified by ground control points (GCPs), a pyramid two-level dynamic programming stereo matching algorithm is proposed.
通过求未确知期望值实现粗差修正,不会造成有效信息的丢失。
Through correcting gross error by unascertained expectation, it maintained all the information of data.
本文提供了修正角膜半径校正近视时,半径变化量和屈光度差之间的关系式;
The relations between the radial variance and the diopter difference are given in this paper for correcting the cornea radius to rectify short—sight.
采用残差识别方法修正GM(1,1)模型进行瓦斯涌出量预测,预测精度更高。
The GM (1, 1) model modified by the residual error identification method was used to forecast the gas emission, achieving a higher precision.
传统的GPS定位技术在定位卫星信号接收差的场合工作不可靠,通过DR算法可将GPS信号进行修正和补充。
Traditional GPS positioning technique is unreliable as it works on the occasion of insufficient satellite signal, and it can be modified and complemented by DR arithmetic.
从应用角度出发,首先,将约束变尺度法改进为一般约束条件,通过适当选择差商形式和对一维不精确线性搜索方法的修正,扩大了该方法的适用范围。
Through the suitable selection of difference quotient and correction of the one-dimension inaccuracy linear searching, scope of the improved method is extended.
同时考虑电负性差和原子间距,对传统化学键离子性进行了修正。
The classical bond ionicity is corrected from the consideration of both the electronegativity difference and bond distance.
应用灰色系统理论,建立了预测煤层瓦斯含量的灰色系统GM(1,1)模型,并用残差模型对预测模型进行了修正。
The grey system GM (1, 1) model for predicting gas content in coal seam is established by applying the grey system theory and the prediction model is modified with the residual model.
在求解过程中,将有限差分法的截断误差进行了修正。
The truncation errors in finite differential equation are corrected in solving the model.
此外还提出了用GM(1,1)模型对残差进行修正的灰色动态数据模型。
Besides, the grey dynamic data model that the residual is adjusted by GM (1, 1) is given.
给出了解非线性对流扩散方程的线性修正的特征差分格式及交替方向格式。
Linear modified characteristic finite difference and alternating direction schemes are devised for nonlinear convection diffusion problems.
针对具有恒定俯仰角度载体的磁航向罗差标定和补偿问题,提出了一种用于磁罗差修正的偏差补偿算法(DCA)。
To calibrate and compensate the compass error of magnetic heading in a carrier with constant pitch Angle, the deviation compensation algorithm (DCA) for magnetic deviation compensation is put forward.
该方法通过建立等维新息残差修正GM预测模型,实现了航迹的实时在线预测,从而提高了预测精度。
Through establishing the predicting GM model of corrected residual error, on-line prediction of the target track could be realized in real time, and thus could improve the prediction precision.
在采用GM(,1)型预测基坑支护变形,通过选取恰当的原始数据序列,并进行残差修正,能得到精度很高的预测结果。
The forecast result of high precision is got in forecast of foundation pit deformation by GM (1, 1) model by means of selecting original data alignment and revision of residual error.
工程实例表明,该模型能够满足工程的需要,且带有残差修正的自调整非等步长GM(1,1)模型的精度最高。
A practical engineering example verifies that these models can meet the project requirement; moreover the self-modifying GM (1, 1) model has the most high accuracy.
纵倾修正是根据船舶首尾吃水差采用面积积分或复合辛普生方法近似计算体积修正量。
Trimming correction is a way of using the area integral or Simpson to calculate the volume correction value.
通过解析解与没有修正的差分解进行对比,结果表明,没有修正的截断误差是不能忽略的。
The comparison between analytical solution and uncorrected solution shows that uncorrected truncation errors can not be ignored.
结果显示,两种抗差修正方法的效果都随着误差极值的增大而增大,异常值的个数增多而减小;
The result shows that the effect of two robust estimation methods is better when error extreme is larger and the number of outliers is less.
对有限元和有限差分的数值计算提出了井孔奇点修正和以沟代井列的计算方法,从而提高了离散化网络的计算精度,并可简化取代三维问题为二维。
The method for correction of singular points of wells and the calculation method of well row replaced by a ditch in the numerical FEM and FDM computations were proposed in this paper.
当残差gm(1,1)模型的精度不符合要求时,可利用残差序列建立GM(1,1)模型对原来模型进行修正,以提高精度。
When residual GM (1, 1) model does not match requisition, we can make use of the residual sequence which establishes GM (1, 1) model to modify primary model, to raise the accuracy.
运用灰色理论建立了软基沉降的不等时距预测GM(1, 1)模型,并可用残差的GM(1, 1)模型对其进行修正。
An unequal time interval forecasting model of GM (1, 1) is established according to the grey theory in the present paper, which can be modified using the residual error GM (1, 1) model.
当环境发生变化的时候规则需要由人工静态地进行调整、修正,因此效率低、对环境变化的适应能力差,模型的可移植性也不令人满意。
Thus in case of the environment change, which demand rule adjustment and is typically done manually and statically, the model tends to be less efficient and inability to fit the environment change.
最后,结合链子崖工程实例,计算分析表明原模型及残差修正模型能满足工程的需要,具有较好的预测精度。
In the end, calculation and analysis of engineering examples indicate the primitive model and modified model are of good prediction precision and can meet the needs of engineering purposes.
根据灰色系统理论,提出一种残差修正的等维灰数据动态预测模型。
A new forecasting model the Equal Dimension Grey Data Dynamic forecasting model Corrected by Remnant Error was proposed based on the Grey System Theory.
根据灰色系统理论,提出一种残差修正的等维灰数据动态预测模型。
A new forecasting model the Equal Dimension Grey Data Dynamic forecasting model Corrected by Remnant Error was proposed based on the Grey System Theory.
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