精密测量

GPS校时的时间频率精密测量同步辐射时间分辨荧光光谱技术

The Precise Measurement of Time and Frequency Based on Time Calibrating with GPS

COIL腔镜高反射率精密测量系统的可靠性分析

Reliability estimation of the precise measurement system for the high reflectivity of COIL mirrors

GPS精密测量中系统误差的分离方法

Separation of Systematical Errors from GPS Precise Measurements

模拟GPS精密测量系统误差的若干问题

Modelling of Systematic Errors in GPS Precise Surveys

彩色线阵CCD用于物体尺寸精密测量的研究

A Study on Target Size Automation Measurement Using Color Linear CCD

CCD衍射成象在线精密测量细丝直径技术

On-line precision measurement of the diameter of thin thread using CCD diffraction imaging

通过本文，我们可以了解到CCD精密测量系统中DSP芯片的作用。

So we know about the function of DSP chip in CCD precision measurement system .

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；

A precision measuring system for diameter by use of linear CCD is introduced .

GPS技术在火箭橇试验滑轨基准线精密测量中的应用

Application of GPS Technique in Accurate Survey of Control Baseline for Testing Sliding Track of Rocket Sled Test

用He-Ne激光精密测量磁光法拉第效应

Precise measurement of magnetic-optic Faraday effect with He-Ne laser

研制了以DSP为控制核心的调幅式电感位移传感器精密测量系统，并对其进行实验验证。

Also this paper designs the amplitude-modulation inductive displacement transducer signal measuring system controlled by DSP , and carries out experiments on it .

利用CCD进行尺寸测量很适合工业上的零件精密测量，具有较高的实用价值和广泛的应用前景。

CCD is very fit for the precision measurement of industry . This technology has large practical value and wide application prospect .

由于光子晶体光纤结构的多样性和相关器件研究的需要，对光子晶体光纤的CD进行精密测量就显得尤为重要。

Due to the diversity of PCFs ' structure and study of its relevant devices , the precision measurement of PCFs ' CD is particularly important .

在本系统中，选用LED光源和畸变小的镜头作为视觉检测系统的照明光源和成像镜头，为精密测量提供了高质量的图像。

The LED light source and lenses with little distortion are selected as light sources and lens of imaging for inspection system , which provide high quality images during precise inspection .

基于AFM的精密测量、微纳加工、纳米操纵、微纳结构修饰等都还在不断地研究和发展之中。

The study of precision measurement , micro / nano fabrication , nano manipulation and nano modification based on AFM are still in progress .

该系统采用自准直光路原理，利用PSD对位置的高分辨能力特性，对电振动台微小角扭动进行精密测量。

In the system , both auto-collimating beam and PSD which has high resolution of displacement are introduced to detect tiny angle of electrical vibration table .

在光学精密测量中，PZT常作为移相驱动器用于各类干涉仪，作为纳米精度的微位移执行器驱动各种精密平移台，以及用于精密位移或压力传感器等。

In the measurement of optical , PZT is often used as driving machine to the interference instruments , then the nonlinearity should affect the precision of the measurement .

介绍了国外常用于评估环形激光陀螺和其它精密测量仪器性能的Allan方差法。

The method of Allan variance is often used to characterize the performance of ring laser gyro and other precision testing instruments abroad are introduced .

介绍了CCD精密测量系统中的信号采集和处理的工作原理，阐述了测量系统和数字信号处理芯片（DSP芯片）在系统中的工作原理，同时还介绍了测量系统的软件工作过程。

This paper introduces the fundamental on collecting and processing signal in CCD precision measurement system , and principles of the digital signal processing chip are expounded . At the same time , the working process of the measuring software is also described .

用改良密度法对熔融Ni-Ta二元合金的液态密度进行了精密测量。

The density of molten Ni-Ta alloys has been measured by a modified pycnometric method .

讨论了CCD摄像法测量孔心距的基本原理，简要介绍其软件系统，为工件孔心距的精密测量提供了快速、有效、经济的测量途径。

The basic principle of CCD measurement is discussed and brief introduction is given to the software system . Testing result indicates that a fast , effective , economic channel for the precise measurement of workpiece hole heart distance can be attained with the method .

为提高小尺寸零件测量精度和速度，提出了基于支持向量回归（SVR）的小尺寸零件精密测量方法。

In order to improve measurement precision and measurement speed of small size parts , a new kind of precision measurement method based on Support Vector Regression ( SVR ) for micro size parts was put forward .

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。

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 .

本文在对激光衍射测量技术及CCD技术进行了较为广泛和深入的理论分析和实验的基础上，探讨了用激光衍射测量技术及CCD技术测量回转类零件形位误差的非接触精密测量方法。

Both the comparatively extensive and deep theoretical analysis and the experiments of the measuring technology of laser diffraction and CCD technology are performed in this thesis , by which the precision and non-contacting method used to measure the form and position errors for the rotary parts are also investigated .

针对光固化快速成形液位检测的精度要求，提出了一种基于光电位置传感器（PSD）的新型激光液位检测方法，该方法采用激光三角测量原理，非接触精密测量液位变化。

Aiming at the requirement of liquid-level measurement for stereolithography ( SL ), the paper put forward a new method of laser liquid-level measurement based on position sensitive detector ( PSD ), which could carry out non-contact precision measurement , using laser triangular surveying theory .

DPSSL在材料加工、光通讯、制导、激光精密测量、激光医疗、激光化学以及激光核聚变等方面展示了重要的应用。

DPSSL have been found important applications in the fields of material processing , optical communications , control and guide , laser measurement , laser medical treatment , laser chemistry and laser nuclear fusion .

本文介绍在0.1～100MHz频段内精密测量材料的低介质损耗的改进的Hartshorn-Ward系统。

This paper describes an improved Hartshorn-Ward system for the precise measurement of low dielectric loss on materials over the frequency range of 0.1 to 100 MHz .

全球导航卫星系统（GNSS）具有全天候的定位导航、高精度的授时校频、自动化和高效率的精密测量等多方面的强大功能，已经逐渐发展成为一个全球性的、多领域的高新技术产业。

Global Navigation Satellite System ( GNSS ) has many powerful features , including positioning of all-weather navigation , timing and the frequency calculating of high-precision , high efficiency and automation of measurement precision , and has becoming a global , high-tech industry in various fields .

由于单光子计数法具有高时间分辨率（2ps）和大的动态测量范围（105）等优点，所以该系统不仅可以测量束团长度，而且可以精密测量单束团的纯净度。

The single photon counting method has the advantages of high time resolution ( 2ps ) and large dynamic range greater than 10 5.The single photon counting system is most suitable for measuring the longitudinal bunch structure and the single bunch impurity .

小质量固体材料密度的精密测量

The Precise Measurement of the Density of Small Amount Solid Materials