Research on the Distribution of the Fitting Nodes for Roundness Error Based on CMM;
基于坐标测量机的圆度误差采样点分布研究
Research on the measurement of roundness error with least fitting nodes;
具有最少采样点的圆度误差测量研究
Fast-accurate algorithm based on roundness error and its realization by software;
基于圆度误差评定的快速精确算法及软件设计研究
New Algorithm and Program of Sphericity Error;
球度误差的新算法及程序
Aimed at the spheric face of smaller diameter and sphericity of a higher-precision,a new method called "pneumatic measurement" is used in the area of sphericity error measurement.
针对被测球面轮廓的尺寸小、精度高的特点,采用“气动法”测量球度误差。
In the paper, the problem about sphericity error is reviewed firstly.
最后用实例对算法进行了检验 ,计算结果表明基于遗传算法的球度误差优化算法不仅符合最小区域条件 ,而且易于理解和实现 ,能够获得全局最优解 ,保证了高精度、高效
The effect of the thickness errors of pavement layers on moduli backcalculating is discussed.
研究了路面结构层厚度误差对模量反算结果的影响 。
?Based on the thickness test and thickness errors statistics analysis of concrete protective coatings of 156 reinforced concrete (R.
通过对不同类型的建筑中１５６根钢筋混凝土柱中钢筋的混凝土保护层厚度的测试及厚度误差的统计分析，发现大部分柱中的混凝土保护层厚度都超出现行《混凝土结构工程施工及验收规范》（ＧＢ５０２０４－９２）规定的允许误差范围，保护层厚度的增大，使钢筋混凝土偏心受力柱的承载能力受到一定程度的影响。
Depth error in depth migration profile isn't equal to velocity error, sometimes it is twice as many as velocity error.
深度偏移剖面中的深度误差与速度误差并不相等,有时可以达到速度误差的两倍。
For a long time,the analysis of the velocity error almost were rarely quantitative,and only valid to the simple geology condition.
长期以来,人们对速度误差的分析大多是定性的,而且针对的是较简单的地质构造模型。
In obserations of the Earth s atmosphere with the GPS radio occultation technique,some factors such as the position error of GPS and LEO satellite,velocity error,clock drift,and observation error of carrier wave can bring error to the retrieval atmospheric parameters.
在无线电GPS大气掩星观测中,GPS和LEO卫星的位置误差、速度误差、卫星钟的漂移、载波相位观测误差等会给其反演的大气参量带来一定的误差。
To analyze the pseudo phenomena caused by migration velocity error, the authors of the paper study the depth error between post-stack migration and prestack migration caused by same velocity error, and it is the depth error of migration profile is only related to velocity error and there is not direct relation with methods of depth migration (post-stack migration or prestack migration).
深度偏移剖面中的深度误差与速度误差并不相等,有时可以达到速度误差的两倍。
In this paper, the analytic expression of diffraction efficiency corresponding to the mask etch-depth errors is deduced from the scale diffraction theory.
从标量衍射理论出发，首先从理论上计算出多台阶二元光学元件发生深度误差时衍射效率的解析式；然后以4台阶和8台阶闪耀光栅为例，对二元光学元件套刻制作中的主要误差及其这些误差之间的相互影响进行了系统的分析和计算机模拟研究，模拟结果给实际制作提供了重要理论指导和实验参数。
Improved temperature error model of silicon MEMS gyroscope with inside frame driving;
改进的内框架驱动式硅MEMS陀螺温度误差模型
Compensating method of temperature error in raster test system;
光栅检测系统温度误差的补偿方法
The effects of the temperature error and the integration method on F/C-value are analytically and numerically analyzed.
通过解析方法和数值方法研究了温度误差和积分方法对F值/C值实时采集精度的影响。
The research on the measuring round error and the statistical distributing of round error
圆度误差评定方法及圆度误差统计分布的研究
Study of the System of Cylinder Wall's Roundness Error Measurement Online
圆筒内壁圆度误差在线检测系统研究
Cylinder Wall's Roundness Testing System Online and the Accuracy on Research
圆筒内壁圆度误差在线检测系统及精度研究
Research on Measurement of Roundness Error Based on the Laser Interferometer
基于激光干涉仪的圆度误差检测研究
Analyzing Efficiency of Datum Deleting of α-hull in Evaluation of Roundness Error
圆度误差评定中α-壳的删点效率分析
Research on Roundness On-machine Measurement Based on Multiscale Analysis
基于多尺度分析的圆度误差在线检测研究
Methods for the assessment of departure from roundness--Measurement of variations in radius
GB/T7235-1987评定圆度误差的方法半径变化量测量
Assessment of departure from roundness--Two-and three-point methods
GB/T4380-1984确定圆度误差的方法两点、三点法
An Algorithm for the Envelope Estimation of Circularity Tolerances on CMMs
坐标测量机上圆度误差包容评定的算法
Research on Measurement of Roundness Error Based on Virtual Instrument;
基于虚拟仪器的圆度误差检测技术研究
The Accurate Algorithm and Program Designof the Implementation of the Two Roundness Errors;
两种圆度误差评定方法之精确算法及其编程
Processing Method of Circular Degree Error Measure Data Based on Chaos;
基于混沌机理的圆度误差测量数据的处理方法
Computer Aided Applicable Data Processing Method for Evaluating Roundness Error;
计算机辅助评定圆度误差的实用数据处理方法
Rearching on Roundness Error Evaluating Algorithm Based on Mesh Searching
基于网格搜索的圆度误差评定算法研究
Method of Measuring Roundness Error Base on Electronic Speckle Pattern Interferometry
基于电子散斑干涉的圆度误差测量方法研究
Measurement Method of Roundness Error Based on Multi-Particle Swarm Opti mization Algorithms Using LabVIEW
基于LabVIEW的圆度误差多粒子群优化算法研究
Accuracy Analysis of Signal to Measure a Circle by Using 3 Point EST Method
三点法误差分离测圆信号的精度分析
Measurement & Error Analysis of Cylindrical Indexing Cam
圆柱分度凸轮廓面的测量及误差分析