误差分析

The spiral angle of graduated circle was rough estimated by measuring the addendum circle diameter and modified on milling machine.

介绍了精确测绘单一斜齿圆柱齿轮齿形参数的简便方法，即测量公法线长度计算基圆齿距从而查表确定模数和压力角；测量齿顶圆直径估算分度圆螺旋角，用分度头在铣床上修正分度圆螺旋角，并进行误差分析。

The method of combining that with horizontal airdrop principle is put forward;the mathematics model for that has been founded,and the relative error is analyzed,which supplies theory basis.

研究了目前先进的光电吊舱技术，提出了将水平空投原理和光电吊舱技术相结合的思想，建立了光电吊舱进行空投空降的数学模型，并进行误差分析。

The construction principle of analytical balance style instrument about measuring the center of mass on axial direction and the adjustment method of its sensitivity are described.

本文介绍了天平式轴向质心仪的结构原理及其灵敏度的调整方法；说明了构件轴向质心位置的测量方法及其误差分析。

A novel method of measuring plus lens's focus is given, which is based on LCD, CCD, and digital image processing It is also a discussion on photoelectric method of automatically measuring parameters of an optic system In this method, a LCD is used as a reticle of the collimator, while the image on the accepting side is transformed into digital image and is sent into a computer The focus can finally be calculated out through digital image processing and analysis The method of measurement is introduce...

讨论了一种基于LCD、CCD和数字图像处理的正透镜焦距测量方法，是光电法自动化测量光学系统多个参数的一种有益的探讨。用液晶屏显示分划图形取代平行光管的分划板，用CCD在接收方采集数字图像并送入计算机，通过图像处理和分析得出被测透镜的焦距。运用叠加的方法提高图像的信噪比；结合重心法和平行线拟合方法求取平行线对的间距；应用高精度焦距标准透镜标定数字图像和实际像之间的比例关系。详细介绍了测量和图像处理的方法，进行了公式推导和误差分析，并给出了实验结果

This paper systematically describes the simulation of steering wheel reaction torque under all operating conditions by utilizing a torque motor,its principle,condition analysis and steady - state error analysis of torque motor. It provided a new approach for si...

本文系统地阐述了利用力矩电机进行全工况仿真汽车转向盘反力矩的原理、力矩电机的工况分析及稳态误差分析等，为全工况仿真汽车转向盘反力矩提供了一种新方法。

For analyzing the relation between uncertainty of soft numerical control real-time tasks and manufacturing accuracy, a mismachining tolerance analysis method based on model is presented.

为分析软数控实时任务的不确定性与加工精度的关系，提出一种基于模型的加工误差分析方法。

The analyzing results are of reference value for the parameter design and error evaluating of the third-order autocorrelator.

分析结果对三阶自相关仪的参数设计和三阶自相关法测试中的误差分析有一定理论指导意义。

The current involute spline broach is analyzed,the grinding technology of involute spline broach with side clearance is described,the profile is designed,and profile error is analyzed.

分析了现有渐开线花键拉刀的缺陷，提出带侧刃后角的渐开线花键拉刀的磨削工艺，并进行了齿形设计及齿形误差分析。

The image processing method of PIV was studied on the base of the image correlation theory in this paper. The simulated particle image displacement field was reconstructed. The reconstruction result of auto correlation and cross correlation , and the error of cross correlation were given. The difference of this two correlation method was analyzed.

以图像相关理论为基础，研究粒子图像测速技术的图像处理方法，编制出高精度的处理软件，重建计算模拟的粒子图像位移场，给出了自相关法与互相关法的积相关与减相关的计算结果，及互相关法的误差分析，分析了自相关与互相关区别。

The idea and method is also available for general NF Measure calibration and Error Analysis.

其所涉及的分析思路和方法对一般的噪声系数测量中涉及的校准和测量误差分析也具有一定的参考价值。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。