准直线

Finally,an autocollimator and a high precise measuring head were used in the m...

用自准直平行光管和高精度测量头分别检测了平台的位移直线度和升、降位移误差，实验结果得出，该机构的位移直线度误差小于1，升、降位移误差小于0.02 mm，达到了平台设计要求。

The edge detection method with straight line fitting in digital image processing has been introduced in detail in this paper, and it has been applied into the development of high precision one-dimension photoelectric autocollimator.

对数字图像处理中直线拟合边缘检测法进行了详细介绍，并将其应用于高精度一维光电自准直仪的研制。

Autocollimator is a kind of instrument for precise angle measuring, it is predominant in the field of multidimensional and non-contact measurement of tiny angle. It works with the principle of autocollimating and been used in a lot of fields, such as linearity and flatness of precise flat.

中文摘要自准直仪是一种精密角度测量仪器，在实现小角度的多维、非接触测量中具有独特的优点，它利用光学自准直成像的原理来实现在一定范围内测量物体的角度变化量，被广泛应用于导轨平台的直线度、精密平台的平面度等测量领域。

Finally,an autocollimator and a high precise measuring head were used in the measurement of the displacement straighness and the the error of the lifting displacement,respectively.

用自准直平行光管和高精度测量头分别检测了平台的位移直线度和升、降位移误差，实验结果得出，该机构的位移直线度误差小于1，升、降位移误差小于0.02 mm，达到了平台设计要求。

Finally, an autocollimator and a high precise measuring head were used in the measurement of the displacement straighness and the the error of the lifting displacement, respectively. The experiment results show that the error of the displacement straighness is smaller than 1 and the error of the lifting displacement is less than 0.02 mm, which shows that the structure achieves the design desire completely.

用自准直平行光管和高精度测量头分别检测了平台的位移直线度和升、降位移误差，实验结果得出，该机构的位移直线度误差小于1，升、降位移误差小于0.02 mm，达到了平台设计要求。

Automatic measuring system of alignment error based on laser collimator technique.

基于激光准直的直线度误差自动测量系统。

The measuring principle of alignment error based on laser collimator technique was introduced.

介绍了基于激光准直原理的直线度误差自动检测方法，详细分析了激光器、传感器信号处理电路和数据采集处理系统的设计。

Reasonable baseline is one of the key matter in the straightness measurement. Two schemes of the measuring basis are advanced in the paper--tensile spring and laser beam, based on the request and character of guide-ways straightness measurement. In early study, we come to the conclusion by theoretical analysis and experiment that the laser beam basis has more advantage in development and accuracy.

合理的直线基准是实现直线度测量的一项关键内容，本文首先针对导轨直线度的测量要求与特点，提出了张丝与准直激光束两个测量基准方案，并在前期研究中通过理论分析与大量的实验对比得出结论：激光束在系统实现及测量精度等方面均具有更高的优越性。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。