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    The width measurement is performed by two 2D top lighting sensors aiming vertically on both edges of the product.
    宽度测量是由两个2D顶部照射传感器垂直对准产品的两侧实现的。
    After compare of several traditional ways, we use the ray axis approach based on the digital image processing, and design mechanical structure. Sensitivity and speed of measurement is improved by using the optical enlargement principle, beam splitter and CCD camera.
    本文对空间直线度的测量方法和数据处理进行了探讨,通过对各种方法的比较,确定了采用基于数字图像处理的光轴法的检测方法,设计了该测量方法的机械结构方案,利用光学反射放大原理,分光镜和CCD摄像机的使用提高了检测的灵敏度,也使得测量过程的自动化大大提高,从而提高了测量速度。
    Secondly, based on LabVIEW, the software of data acquisition and processing system for cutting force and cutting temperature measurement is developed. It concludes the data acquisition, data processing, data analysis and saving of data, the calibration of dynamometer, and so on.
    然后,在LabVIEW环境下开发了切削力与切削温度测量的数据采集处理系统软件,该软件包括数据采集、数据处理和数据存储等模块,能够实现切削力与切削温度测量的数据采集、处理、分析、存储以及测力仪标定等功能。
    The crack tip stress intensity factor under impact-fatigue conditions expressed by the equation K_I=(AE/BW)~(1/2)·F(a/W) may be used as a measure of fracture toughness of materials on condition that a proper calibration of K_I with the compliance measurements is made.
    多次冲击条件下裂纹尖端应力强度因子的表达式为K_I=(AE/BW)~(1/2)·F(a/W)。 经柔度法标定,其临界值可用以度量材料的断裂韧性。
    A new method has been studied in this paper.based on the fact that copper(Ⅱ)in NH_3.H_2O catalyzes the decoloizing reaction of phenol red by hydrogen peroxide.The sensitivity for copper is8.0×10~(-10)g/ml.The range of measurement is 0.3─1.1μg/25ml.
    据此建立了催化褪色光度法测定痕量铜的新方法。 本方法检出浓度为8.0×10 ̄(-10)gCu ̄(2+)/ml,测定范围为0.3~1.1μgCu ̄(2+)/25ml。
    Due to the average effect among the measuring units, the error of the measurement is(0.005+1×10 -5 D) mm or less for those cones with small coning angle.
    由于各测量单元的平均化作用,当测量小锥度端面直径时,测量误差仅为(0 .005+ 1 ×10-5 D) mm 。
    The shape of d vs sin 2 ψ curve with stress gradient near the beryllium surface is studied under the modified ψ diffraction geometry condition, and the effect of stress gradient near the beryllium surface on the conventional x ray stress measurement is determined.
    研究了在 modified-ψ衍射几何条件下 ,铍材表层中存在不同应力梯度时的 d~ sin2 ψ曲线的形状 ,确定了铍材表层内的应力梯度对常规的 X射线应力测试的影响。
    The uncertain degree of measurement is the perfection and developing of error theory, the subject of itsanalysis remains the error.
    测量不确定度是误差理论的完善和发展,其分析的主体仍然是误差。
    It can be found out from their definition, uncertain degree states the more ability tomeasure quality than the error in measurement, the uncertain degree of measurement is more overall and moreconcrete than the error.
    从它们的定义可以看出,测量不确定度比误差更具有说明测量质量好坏的能力,测量不确定度比误差更全面更具体。
    When spur gears whose diameters of indexing circle are less than 5 mm are measured by CCD camera with the resolution of over 1280×1024, the precision of measurement is below than 2 μm.
    如使用1280×1024像素以上的CCD摄像设备测量分度圆直径5mm以下的直齿圆柱齿轮时,测量精度可在2μm以下。
    The range of measurement is 5×10~-5%~5×10~-4%, The RSD was found between 1.94% to 2.38%.
    测定范围:5×10-5%~5×10-4%,相对标准偏差为1 94%~2 38%。
    The idea of soft-measurement is used in our work and neural network and wavelet transform are adopted to overcome deficiency of traditional method and improve forecast accuracy of exit thickness.
    利用软测量的思想,采用神经网络建立软测量模型和小波分析进行数据处理,以克服传统方法的不足,提高出口带钢厚度预测的精度。
    The method that combining RENISHAW MP10/OMP60 probe system and SIEMENS 840D CNC system to realize workpiece or tool measurement is expatiated, including the hardware connection, software setup, parameter setup and application of measuring cycles.
    详细阐述了雷尼绍MP10/OMP60测头系统结合西门子840D数控系统实现工件/刀具测量的方法,包括硬件连接、软件设置、参数设置和测量循环的应用。
    The singularity in calculating expression of holographic complex sound pressure's phase in planar acoustic holography based on intensity measurement is studied. The discrete algorithm of complex sound pressure reconstruction on the holographic plane based on acoustic intensity measurement is educed.
    推导了采用FFT方法实现基于声强测量的全息相位重构的离散算法,并指出因离散算法的近似假设不满足将导致一种相位重构振荡误差,讨论了这种误差的分布特点以及测量参数对它的影响,提出采用波数空间窗函数的方法来抑制相位振荡误差并取得较好的效果;
    Because the measurement is contactless and short data-processing time, the instrument has a wide application prospect.
    该测量系统使用时所具有的在线非接触的特点和快速的数据处理功能,使其具有广阔的应用前景。
    As a most basal item of geometrical product measurement, Straightness measurement is the base of many measurements such as flatness, parallelism, squareness and concentricity.
    直线度测量是几何量计量领域里一个最基本的项目,它是平面度、平行度、垂直度、同轴度等几何量测量的基础。
    Straightness measurement is a very important content of machine manufacturing.
    同时,直线度测量也是机械制造业中一个非常重要的内容。
    In the second part, the principle of image processing being analyzed and compared, the method of image processing that most fits this measurement is chosen out and method of software realization is given out.
    第二部分对图像处理的原理方法进行分析比较,提出了适合于本测量仪的图像处理方法和步骤,并给出了软件实现的方法。
    1. The rectangle-division method for unknown-surface adaptive measurement is firstly provided to realize adaptive distribution of measurement points. The validity of this method is testified through simulation analysis and a mouse model experiment. The methodology provides a new way for improving measurement precision and efficiency.
    1.首次提出了未知曲面自适应测量的矩形细分法,实现测点的自适应分布,并通过仿真分析和实验研究,验证了该方法的有效性,为提高未知曲面的测量精度和效率提供了一种新方法。
    2. The disadvantage of laser probe's small linear measurement range is analyzed. Three tracing measurement are introduced, and the profile tracing measurement is emphasized. Then a model of automatically choosing tracing measurement is provided.
    2.分析了激光测头线性测量范围的局限性,提出了三种测头跟踪测量方式,重点介绍了仿形跟踪测量方法,提出了自动选择跟踪方法的模型。
 

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