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precision measuring system
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  “precision measuring system”译为未确定词的双语例句
    Research on High Precision Measuring System with Eddy Current
    高精度电涡流测微系统的研究
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    A precision measuring system for diameter by use of linear CCD is introduced.
    针对工业中用千分尺人工对工件直径测量的落后方法,文章设计了一套利用线阵CCD对直径实现精密测量的系统;
短句来源
    CMM as an all-purpose and high precision measuring system has become a kind of important digitized equipment, but its measuring efficiency is low.
    而CMM作为一种通用性强、精度高的测量系统成为一种重要的数字化设备,但其测量效率低。
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A self-calibration method is proposed for calibrating precision measuring system of capacitance sensors with nanometer resolution and the basic characteristics of the method are discussed. Without any special standard, the linearity errors of a pair of capacitance transducers can be calibrated themselves within their performance limitations.

本文详细叙述了一种电容测微仪的自校正方法 ,并就其工作原理进行了讨论。采用这种方法不需要其它高精度标准 ,仅利用两相同精度的电容传感器和自校正装置即可进行多次相互校准 ,最终得到各自准确度达到自身能力极限的校正结果。

It is difficult to achieve the precision measurement of the position of the micro holes with traditional methods. Based on machine vision and with the help of image processing, this work can be done finely. The hardware structure and the image manipulation algorithm of the holes position precision measure system are described based on machine vision. By the provided algorithm, the center coordinates of circle in the image is recognized by identifying the endpoint of chord, and by the filter processing...

It is difficult to achieve the precision measurement of the position of the micro holes with traditional methods. Based on machine vision and with the help of image processing, this work can be done finely. The hardware structure and the image manipulation algorithm of the holes position precision measure system are described based on machine vision. By the provided algorithm, the center coordinates of circle in the image is recognized by identifying the endpoint of chord, and by the filter processing on the center of 500 chords, it can make the identifying error lower than the distance of image pixel, the standard deviation is less than 4μm in both X and Y direction of the center coordinates of circle, and the angel standard deviation is less than 3″ among the holes.

微小孔系的精密测量用传统的手段是难以实现的。以机器视觉为基础,结合计算机图像处理技术可完成这类测量任务。介绍了基于机器视觉的孔系精密测量系统的硬件组成和图像处理算法。以所提出的识别弦端点来确定图像圆心坐标的算法对500根弦的中点坐标进行滤波处理,可使识别误差达到亚像素级。圆心坐标在X和Y方向的标准差均小于4μm,孔系间角度测量标准差小于3″。

According to characteristics of the precision measure systems based on linear array CCD that mass of data access, complex calculation and strong real-time motion control. a kind of master-slave control mode with real-time control by SCM, and using table-computer for background data processing is proposed. It's applied to coordinate measurement system for hole series on curved surface, and then measure time is less than 30 seconds, and uncertainty is less than ±5μm.

根据线阵CCD精密测量系统数据传输、存储量大 ,计算复杂 ,运动控制实时性强的特点 ,介绍了一种用单片机完成前端实时控制 ,台式计算机作后台数据处理计算机的主从式控制模式。该模式应用于曲面孔系坐标测量系统 ,达到了测量时间小于 3 0s ,测量不确定度小于± 5 μm的要求

 
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