多齿分度台倾斜对一测回水平方向标准偏差影响分析  

Analysis of the influence of the inclination of precise angle dividing table on the experimental standard deviation of a horizontal direction

作　　者：张伟[1] 张丰[1] 刘芳芳[1] 马建敏[1] Zhang Wei;Zhang Feng;Liu Fangfang;Ma Jianmin(Shanghai Institute of Measurement and Testing Technology)

机构地区：[1]上海市计量测试技术研究院

出　　处：《上海计量测试》2021年第3期39-41,共3页Shanghai Measurement and Testing

摘　　要：通过倾斜投影理论,针对多齿分度台倾斜对一测回水平方向标准偏差的影响进行定量分析,分析结果对日常检定、校准工作以及一测回水平方向标准偏差测量结果的不确定度评定具有重要意义。Based on the theory of oblique projection,the influence of the inclination of precise angle dividing table on the experimental standard deviation of a horizontal direction is analyzed quantitatively.The analysis results are of great significance to the daily verification,calibration and the uncertainty evaluation of the experimental standard deviation of a horizontal direction.

关 键 词：多齿分度台倾斜 一测回水平方向标准偏差 倾斜投影 

分 类 号：TB922[一般工业技术—计量学]