Several coordinate measuring machine geometry error models of several kinds in common use are analyzed in this paper.
分析了坐标测量机几何误差的几种常用模型,提出了基于神经网络的单项几何误差模型。
This paper reports the causes of image geometry error for synthetic aperture side-locking radar (SALE) and analyses of correcting principle with wedge-len.
本文介绍了合成孔径旁视雷达图象几何误差的产生原因与分析了楔形透镜的校正原理。
Owing to the complicated variable rule of CMMs geometry error, it's difficult to convergence for using common BP neural network model arithmetic with a slow velocity.
由于坐标测量机几何误差变化规律复杂,采用一般的BP神经网络模型算法,速度慢且难以收敛。
Based on the theory of solid geometry, a survey method to measure the bucket foundation installation error and ensure the installation precision is presented.
提出了根据空间立体几何原理对桶形基础平台进行桶基安装误差测量并保证安装精度的方法。
The distance geometry and its error functions in the method have been discussed in detail.
本文对这一方法中的距离几何方法以及其误差方程进行了详细讨论。
The error factors such as intensity distortion, noise and geometry distortion will affect matching performance, so the paper gives the opposite processing methods.
灰度失真、噪声、几何失真等误差因数会影响匹配性能,本文给出了相对应的处理方法。
A new kind of detection method based on machine vision to measure geometry size and roundness error of external chain board of motorcycle roller chain is put forward.
针对摩托车用滚子链外链板的几何尺寸及圆度误差提出了一种基于机器视觉的检测方法。
Based on the characteristics of differential geometry and the tabu search algorithm, a new method for the profile error of ship hull plate processing surface is presented.
利用曲面的微分几何特性,基于禁忌搜索算法,提出一种新的船体外板曲面形状误差评定方法。
Error of shape is one of important geometry element that describes error of parts.
形状误差是表征零件形状的重要几何要素。
The main cause to create harmonic error are the relative vibration in system, in stability of geometry configuration, random disturbance and in sufficient feeding ability of the machine tool.
谐波误差产生的主要原因是系统相对振动、几何布局失稳、随机干扰和机床进给能力不足。
An error in closure stress measurement can lead to a significant error in the estimation of the net pressure and, consequently, the fracture geometry.
闭合应力测量的错误会对净压估计,以及随后的断裂几何形状的估计造成严重的错误。
The operating noises of the gear pump are mainly from the perturbations of mass flow rate and the pressure, which result in the error of gear teeth geometry contact during the rotation.
齿轮泵中轮齿啮合几何学上的原因所造成的流量脉动及其相应的压力脉动是产生噪声的主要原因之一。
Secondly, in view of the disadvantages existing space domain shape error concealment, we adopt a shape error concealment algorithm based on geometry analysis.
其次,针对现有空域形状信息错误隐藏算法的不足,采用一种基于几何分析的形状信息错误隐藏算法。
The localization principle of bistatic sonar is given and the GDOP(Geometry Dilution Of Precision) which used in bistatic radar for describing the localization error has been cited in bistatic sonar.
在对双基地声呐定位原理和定位误差分析的基础上,提出了用定位精度的几何解释(GDOP)来表征双基地声呐定位误差的方法。
In this paper, the intensity distribution of interference field of holo-speckle interferometry is derived when the error of system geometry exists.
本文导出了存在系统几何偏差时全息一散斑干涉术中干涉场的强度分布。
Firstly, the error of fit must be defined for nonlinear least-square fitting of generalized geometry model. Then the nonlinear optimization algorithm can be used to obtain the optimum solution.
对于一般几何模型的非线性最小均方误差拟合,首先必须定义拟合误差,然后采用非线性最优化方法求解最小误差意义下的最优解。
The calculation agrees well with experimental results within acceptable error range and can be used to improve the pumping coefficient by modifying the pump geometry.
指出了通过改变泵的尺寸参数提高抽气系数的途径。
The calculation agrees well with experimental results within acceptable error range and can be used to improve the pumping coefficient by modifying the pump geometry.
指出了通过改变泵的尺寸参数提高抽气系数的途径。
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