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- Optical error measurement 光学误差测量
- The results of examination show that the application of the system increases t he efficiency of error measurement and improves the prec... 试验结果表明,应用此系统不仅能大幅度提高了精度检测的效率,而且能显著提高数控机床精度。
- The new method without movement paralleled with the axis of the gear makes the lead error measurement can share same generating system with profile measurement. 此方法不需要测头沿齿轮轴线方向的运动系统,利用齿形测量系统即可测量齿向误差。
- Aimed at the spheric face of smaller diameter and sphericity of a higher-precision,a new method called "pneumatic measurement" is used in the area of sphericity error measurement. 针对被测球面轮廓的尺寸小、精度高的特点,采用“气动法”测量球度误差。
- The processing technique based on double channels of perpendicular retains information of the range and phase of signal. The no theory error measurement of audio sine signal active power with this method is achieved. 正交双通道处理技术保留了信号的幅度和相位信息,用这种方法可以实现无理论误差地测量音频正弦信号有效功率。
- Furthermore,a two-dimensional on-the-job eal-ibration method which considering the optical errors and electric errors simultaneously is putforward. 在此基础上,构造了一种同时顾及光、电误差的二维检校方法,井进行了相机检校实验。
- It is pointed out that the bevel gear integral error measuring technology, which was invented in China, is a powerful tool to realize the local interchange of bevel gears. 指出我国发明的锥齿轮整体误差测量技术是实现锥齿轮局部互换的有力工具。
- On the basis of our research work, we present a new algorithm for uniformly simplifying triangle mesh models, which is based on quadric error measure. 然后，在总结“折叠型”简化算法的简化过程的基础上，提出一个基于二次误差度量的三角网格摊薄简化算法。
- Aberration General term for various optical errors in photographic lenses which prevent the lens from giving good definition.SeeAstigmatism, Chromaticaberration, Curvature offield, Distortion, Sphericalaberration, Coma. 是照相用镜头各种光学缺点的通称,这些缺点使影像失实。参阅纵横像差、色差、像面弯曲、畸变、球面像差、彗星差。
- Some relat ed theories of the inclinometer were introduced and actual applied steps and re d ucing error measures were described. 该文介绍了测斜仪监测的一些相关理论,并详细阐述了实际应用步骤和减小误差措施。
- Based on the measuring principle of high-speed transmission error, a k ind of high-speed transmission error measuring system is developed. 根据高速传动误差的检测原理,研制开发了一种高速传动误差检测系统。
- Obviously, the novel thermal errors measurement method based on the use of DBB is more efficient and effective compared to traditional measurement systerms. 本文的研究工作,拓展了球杆仪的应用范围,并且,应用球杆仪检测机床误差,尤其是对机床热误差的检测,相对传统测量方法,该方法操作简易,数据处理快捷方便。
- Measurement and correction for the optical error of the cat's eye retro-reflector 猫眼光学误差的测量与修正
- Top accumulative pitch error measurement 螺距累积误差测量
- His optic nerve was hurt in an accident. 他的视神经在一次事故中受到损伤。
- Because of many reasons in the course of straightness error measuring, many original observed data deviate from actual value and are difficult to process. 由于在直线度误差测量过程中的各种原因,导致许多观测数据与实际值偏离或者很难进行处理。
- Microscopes and telescopes are optical instruments. 望远镜和显微镜是光学仪器。
- The error measuring drum water level with ordinary differential pressure gauges, which mainly relies on reference water column s correctness, is big and uncertain. 普通差压水位计测量汽包水位主要问题在于参比水柱的不确定性,它是影响汽包水位测量误差的主要因素。
- This paper discribed the principle and structure of the gear transmission error measurment using circle grating.The retarding gear trasmission eroor ( i =15) was measumed. 介绍了圆光栅测量齿轮传动系统精度的原理、系统组成和各部分作用,对速比为15的减速系统进行了实测并对测量结果做了傅立叶分析,发现了1次、5次和15次谐波。
- Optical Error Analysis and Improvement of Digital-Image-Based Area Measurement of Irregular Region on Curved Surface 回转曲面面积图像检测光学系统的误差分析
