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精度测量
    A high precision measuring method by using the DFT technology to realize the phase difference of periodic signals with the same frequency
    利用DFT技术实现同频率周期信号相位差的高精度测量
    Image Capturing and High Precision Measuring
    图像采集与高精度测量
    This article based on the Beckmann's light scattering theory designed the system of the precision measuring of the surface microcosmic profile of the steel plate.
    本文以Beckmann光散射理论为基础设计了钢板表面微观轮廓精度测量系统。
    Based on these,a high precision measuring method for micro displacements with accuracy over λ/100 is presented.
    根据此原理,提出一种微小位移的高精度测量方法,测量精度可达到λ/100的数量级以上。
    Development of Gyratory Precision Measuring System with Computer Aided
    计算机辅助回转精度测量系统的研制
    on the basis of experiment deta which checked by theoretical calculation proved that both the static and dynamic phase errors of the phase locked frequency multiplier are quite small and can certainly be used on high precision measuring instruments as well as other mechanical precision equipments.
    本文在实验数据的基础上用理论计算来证明锁相倍分频器的静态相位误差和动态相位误差都很小,完全可在高精度测量仪器或其他高精度机械装置上被采用。
    Another is applyed "Equal precision measuring system".
    另一种方法是采用“等精度测量系统”。
    A high precision measuring method and related circuit as well as its implementation in intelligent superconductive temperature monitor are introduced.
    介绍一种高精度测量方法和电路,及其在超导智能温度测控仪中的实现.
    Precision measuring hot rolling seamless steel pipe on line is a new technology to enhance quality of steel pipe.
    热轧无缝钢管在线精度测量是近年来为了提高无缝钢管质量采取的一项新技术。
    It is difficult to use available precision measuring devices because of adverse hot rolling circumstance.
    但是,由于热轧 环境十分恶劣,难以应用现有的精度测量装置。
    As a high precision measuring instrument,the body strain dynamometer can measure the relative change near the measuring spot,but also every interference is recorded,especially when the underground water level changes greatly,the body strain curve is disturbed obviously. The reliable earthquake precursor information can be gained till every interference is eliminated.
    体积式应变测量仪 ,是高精度测量测点附近地应力相对变化的仪器 ,同时也记录了各种干扰所产生的力对探头的影响 ,尤其是地下水位变化比较大的时候 ,对体应变曲线影响非常明显 ,只有把这明显的干扰进行数据处理 ,才能获得可靠的地震前兆信息。
    The instrument for measuring air density has realized precision measuring of air density by means of temperature sensor, humidity sensor and pressure sensor.
    利用精密温度、湿度、压力传感器,便携式空气密度精密测量仪实现了对空气密度的高精度测量
    From the view of singlechip control,the functions of an analyzing instrument based on researched items on measuring soil composition are introduced. After that, from the view of circuit principle,high precision measuring method on soil composition and the PH value is summarized.
    作者就土壤成分测量的研究项目从单片微机控制的角度叙述了分析仪的整体功能 ,然后从电路原理的角度重点阐述了养分及PH值的高精度测量方法
    In order to get high precision measuring phase for the technique, a phase-shifting method is proposed with Gray code. The method can calculate the phase value by projected phase transfer function and irradiance function of projected structural light.
    为了获得连续的高精度测量相位值 ,提出一种结合了格雷 (Gray)编码并能够优化相位精度的相移方法 ,该方法通过投影相位传递函数来优化测量相位值。
    In order to improve the quality of erecting pipe stands,it is necessary to use high precision measuring instruments and data processing with computers as well as monitor the erecting with the method of measuring timely during the whole process and aspects so as to achieve the effective control.
    为提高管形座安装质量,使用高精度测量仪器配合计算机数据处理,采用全过程、全方位、实时测量的方法对安装工作进行跟踪监测,实现有效控制。
    Introduces the operating principle and errors of a reflection type light beam-guided positioning system based on machine vision, and proposes the measures which from hardware and software to reduce the errors: (1) ensure the position precision of key parts with high precision measuring device and attain the minimal displacement of key parts with the help of finite element method;
    介绍基于机器视觉技术的某反射式多光束引导定位系统的工作原理和误差来源,并针对其误差提出了从硬件和软件两方面减小误差的方法: (1)采用高精度测量仪器校准关键零件位置精度,及采用有限元方法仿真技术获得关键零件的最小形变;
    This paper describes the noncontract high precision measuring method of thickness and the software programming method of computer aided measurement and data handling.
    叙述了金属工件如何实现无接触、高精度测量厚度的方法,以及计算机辅助测量、数值处理的软件编程方法.
 

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