A rather accurate approximation algorithm of confidence coefficients of asymmetric distribution error and its composite error is put forward. 提出了非对称分布误差及其合成误差置信系数的一种相当精确的近似算法;
Analysis and evaluation of composite error uncertainty of online automatic detecting system in electric energy measuring devices 电能计量装置在线自动检测系统的测量不确定度分析与评定双曲线定位,测距差定位
A Simple Method Measuring Composite Error of Gears 齿轮综合误差的一种简便测量方法
Investigation on the Relationship between Composite Sampling Error and the Number of Increments for Chemical Analysis of Stratified Materials with Monte Carlo Simulation Technique 分层性物质的组合取样误差与份样数目之间的关系及其MonteCarlo模拟
A measuring device, which is used to measure gear radial composite error, is designed to solve the accuracy measuring problem of camshaft screw gear fitted into the 4102 engine produced by Liao Ning Diesel Engine Plant. 针对辽宁柴油机厂生产的4102型发动机凸轮轴上螺旋齿轮的精度检测问题,设计了一台测量齿轮径向综合误差的检测装置。
Aiming at the measure of current transformer's composite error, states the problems of direct test method with examples. 针对电流互感器复合误差数据的测量,通过实例对复合误差直接试验法费用高、试验复杂等问题做出了说明。
A Separating Method from Single Composite Error for Measuring the Generating Error of Gears 齿轮范成误差的单啮误差分离测量法齿轮范成实验新模式的研究
An Accurate Indirect Measuring Method of the Composite Error of Current Transformers 电流互感器复合误差的准确间接测试法
The composite error calculation method for measuring tools is suggested to provide a quantitive calculation basis for implementing the tolerance compensation method. 推出的检具综合误差计算,对实施公差弥补法提供了量化的计算依据。
For reaches where amount of deposition or erosion can be obtained directly from systematic sedimentation survey data, sediment balance equation can be used to evaluate the composite error. 二是对有实测断面法冲淤量河段,可用沙量平衡方程计算综合误差值;
A Measuring Device on the Radial Composite Error of Camshaft Screw Gear into 4102 Diesel Engine 4102型柴油机凸轮轴螺旋齿轮径向综合误差检测
A Composite Correction Method of Array Error in Linear Array Sonar 一种综合修正线阵声呐基阵误差的方法
Calculation and Test on Composite Error in Certification Equipment of Alternate Watthour Meter 交流电能表检定装置综合误差计算及测试
The amount of deposition or erosion would involve largely the composite error if it were estimated by means of the sediment balance equation. 如用沙量平衡计算的冲淤量实际上包括了综合误差。
It can measure not only the tangential composite error of worm gear pair, but also the integrated error and element errors of the enveloping worm with high efficiency and accuracy by special measuring accessory and probe. 该仪器不但能对二次包络环面蜗杆副的切向综合误差进行检测,借助于专用测量附件和测头,还能对包络环面蜗杆的整体误差及单项误差进行快速精确的测量。
A novel inverting composite amplifier and it's error analyzing 一种反相复合放大器及其误差分析
True color image obtained from spaceflight to ground remote sensing, the first error contribute is atmospheric disturbances, second is color composite error, The experiment result proves that this scheme has distinct predominance in eliminating atmospheric disturbances error than spaceflight cinematograph scheme. 航天对地遥感获取地物真彩色图像,首要误差贡献是大气干扰,其次是彩色合成误差,实验结果证明,与航天摄影机方案比较,本方案在消除大气干扰误差方面有明显优势。
Analog-Digital Composite Sampling Measurement and its Error Analysis 模拟&数字混合采样测量及其误差分析
Based on specific situation of the polar coordinates measuring tools for drilling reaming compact holes, current production status and composite error analysis of the measuring tools, a tolerance compensation method is effectively used in drilling reaming compact hole operation for taking precise measurements. 根据钻铰齿孔极坐标检具的具体情况和生产现状,通过对该检具的综合误差分析提出的公差弥补法可有效地应用于钻铰齿孔工序的检测中。
Improving on Testing Method of Gear Two-Flank Composite Error 齿轮双啮综合误差检测方法的改进
The Virtual Instrument for Measuring the Total Composite Radial Error of Gear 齿轮径向综合误差的虚拟检测仪
To the principle of measuring coordinate values, an extensive study on how to solve the exact values of various errors is carried out, such as sphericity error 、 straightness error of median line 、 roundness error 、 cylindricity error 、 composite positional error and so on. 同时,针对测量坐标值原则,对球度、空间直线度、圆度、圆柱度和复合位置度误差的评定原理及算法进行了较系统的研究。
In this thesis a one-degree freedom nonlinear dynamic model of a gear system has been established considering the backlash, composite error and the time-varying stiffness. 小文针对单级齿轮传动系统,综合考虑时变啮合刚度、齿侧间隙及误差激励的影响,建立了齿轮系统振动分析的单自由度非线性动力学模型,并分析了系统在参数激励下的响应。
Then, analyse the composite error of the system classification and build the method, which can evaluate image collection effect of the hardware system on the basis of calculating curvilinear correlation. 接着,对系统新旧识别的总体误差作了分析,并在求相关性的基础上建立了衡量硬件系统图像采集效果的方法。
Development of Rapid Automatic Detecting and Sorting Instrument for Micron Gear's Composite Error 小模数齿轮综合误差快速自动检测分选仪的研制
The system's global characters are obtained under different input torque fluctuation, backlash, composite transmission error, exciting frequency and damping ratio. 得到了系统在不同的输入转矩波动、齿侧间隙、齿轮综合误差、激励频率和阻尼比参数下系统的全局特性。
The guided precision of surface to air missile weapon system to use relative system radar measuring system, has been studied and made great efforts in many years, it is the composite product of undulate error and movement error. 采用相对体制雷达测量系的地空导弹武器系统的引导精度,已经过多年研究和努力,它是起伏误差和动态误差的综合产物。
Models set up by this method can integrate the influence of time-varying mesh stiffness, mesh damp, composite gear error, dynamic input of the power and loading, mesh phase and torsional flexibility of shaft. 利用该方法建立的模型能综合考虑时变啮合刚度、啮合阻尼、轮齿啮合综合误差、原动机和负载的动态输入、齿对啮合相位以及传动轴扭转柔性,仿真多级齿轮传动系统的动态特性。
The research is supported by the National 863 project: The study of precision control methods of complex and multi-process thin-walled parts based on composite error analysis. 本文围绕国家863项目基于综合误差分析的复杂薄壁件多工序制造精度控制开展了薄壁件多工位制造过程误差传递的研究。