准直仪

基于M型分划丝的单线阵CCD直线度准直仪

Single linear CCD linearity collimator based on M shape reticle

针对这些问题和现场需求，基于计算机视觉反馈理论，设计了一种由CCD传感器、激光准直仪和倾角传感器组成的新型高精度光电测量系统。

Directed by all the problems and on-site requirements , a kind of photoelectric measuring system composed of CCD sensors , laser collimator and inclinometer was developed based on computer visual feedback .

一种快速高精度激光CCD自准直仪圆目标中心的定位方法

Fast and Precise Center Location for Circle Target of CCD Laser Autocollimator

线阵CCD在光电自准直仪中的应用

The Application of Linear CCD in the Photoelectric Autocollimator

激光CCD二维自准直仪中圆目标中心精确定位算法

Precise center location algorithm for circle target in CCD laser dual axis autocollimator

CCD自准直仪图像细分处理技术研究

Research on image subdivision of CCD autocollimator

一种新颖的单线阵CCD双坐标自准直仪

A Novel Single Linear CCD Two-dimensional Auto-collimator

应用CCD探测器作为成像器件，是实现自准直仪自动测量的有效途径之一。

It is feasible to employ the CCD detector in autocollimator to realize automatic measurement .

该系统由光学准直仪、CCD和图像采集卡等组成。

The system is composed of an optical autocollimator , a CCD and image collector board etc.

本文主要分析了基于线阵CCD的光电自准直仪的工作原理及影响参数。

This text has analysed the operation principle of the photoelectric autocollimator based on the linear CCD and influence parameter mainly .

利用二维PSD器件测量小角度的研究一种新型的自准直仪

Research of Dual Axis Small Angle Measurement Based on 2-D PSD A New Type Autocollimator

JF-1型X射线晶体分析仪用激光准直仪的研制

Development of laser aligner for JF-1 X-ray crystal analyser

CCD的分辨率是影响新型光电自准直仪测量精度的关键因素，而边缘检测法是CCD位移测量的主要方法。

The resolution of CCD is the key factor that impacts the measurement precision of new-type photoelectric autocollimator . Edge detection is the main method for CCD displacement measurement .

CMOS图像传感器在光电自准直仪中应用目前尚处于探索阶段，国内外尚没有成熟产品出现的报道。

At present , in the photoelectric autocollimator field , CMOS imager is on the exploring phase and has not a ripe product in and out of the country .

实验结果证明：FPGA中采用的混合图像去噪算法能提高CMOS图像传感器捕获到图像的信噪比，能提高光电自准直仪的失准角测量精度。

The experimenting result indicates : the mixture model denoising algorithm using FPGA can improve the SNR of the CMOS imager and the misalignment angle measuring precision of the photoelectric autocollimator .

本文介绍了便携式激光准直仪的工作原理，分析了激光器、PSD信号调理电路及数据采集处理系统的设计。

The principle of portable laser collimator is introduced in this paper and its laser device , PSD signal processing circuits data acquisition are analysed in detail .

为满足高精度测量和瞄准跟踪系统中对激光CCD自准直仪的测量精度和实时性的要求，提出一种快速高精度激光CCD自准直仪圆目标中心的定位方法。

To meet the requirements for measuring accuracy and real-time performance of CCD laser autocollimators in fields of high-accuracy metrology and aiming and tracing system , a fast and precise center location method for circle target of CCD laser autocollimator is proposed .

以面阵CCD代替人眼对自准直仪的十字分划板图像进行瞄准；采用图像不变矩自动搜索算法和hough变换、亚像素细分等方法实现对小角度的自动精确测量。

The system carries out automatic and precision measurement of small angles by using CCD rather than eye to aim cross reticule image on the autocollimator , and by means of auto-search algorithm with image moment invariants , Hough transformation , sub-pixel subdivision , etc.

实验表明：研制的准直仪在20m范围内1个小时内的相对漂移值小于2×10￣（－6）。

The experimental re-sults on the laser drift of the collimator is given and indicate that the relative laser drift of the collimator within the range of 20 meters in one hour is less than 2 × 10 ￣( - 6 ) .

为了提高城市排水管道网络敷设的精确度和生产率，我们设计和研制了JGY-1型激光管道准直仪。

We have designed and have developed the JGY-1 type laser pipeline aligning instrument for rising the accuracy and the productivity of the construction of city drainage pipeline network .

便携式激光准直仪及直线度误差测评软件的开发

Development of Portable Laser Collimator and Straightness Measuring & Evaluating Software

自准直仪测直线度误差的方法

The Methodology for Measurement of Degree of Line by Self-aiming Gage

用激光准直仪测量大平台平面度方法的误差分析

Error Analysis for Measuring Planeness of Large Terrace by Laser Collimator

传统的自准直仪测角精度较低、测量范围受限制，不能满足精密测量技术越来越高的要求。

Traditional autocollimator has lower measurement accuracy and smaller measurement range .

自准直仪按测量维数可分为一维和二维两种，二维自准直仪可同时测量两个方向的微小角度变化量。

Auto-collimator can be devided into single-dimension and two-dimension according measuring dimensionality .

基于光电自准直仪的直线运动误差测量与分析

The measurement of straight-line motion accuracy based on light-self-aiming gaga

直线拟合边缘检测法在光电自准直仪中的应用

Edge detection method with straight line fitting and its application to photoelectric autocollimator

OEA-1电视自准直仪的研制及应用

Development and applications of the OEA 1 TV autocollimator

一种高精度激光准直仪的理论分析

Theoretical analysis of a high precision laser alignment instrument

介绍用光学自准直仪测量主轴承孔同轴度的步骤与方法。

This paper introduces the method and process of measuring coaxiality with optical-autocollimator .