| 标准分划尺在CCD压痕直径测量系统校准中的应用 |
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| 引用本文： | 张文军,陈晓梅. 标准分划尺在CCD压痕直径测量系统校准中的应用[J]. 航空计测技术, 2008, 28(5) |
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| 作者姓名： | 张文军 陈晓梅 |
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| 作者单位： | 中国一航北京长城计量测试技术研究所,北京100095 |
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| 摘 要： | 在高精度测量中,为达到测量精度要求,需要对CCD像素进行校准.本文介绍一种简单易行的采用标准分划尺校准CCD像素的方法.首先标准分划尺经过线纹工作基准装置校准;通过对标准分划尺成像,得出在一段标准距离下的像素数;最后得出每个像素所对应的实际距离.实验证明,这种方法能够有效地抑制综合误差,改善测量精度.
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| 关 键 词： | CCD成像 标准分划尺 高精度 像素校准 |
Application of Standard Line-scale to Calibration of Indentation Diameter Measurement System |
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| ZHANG Wen-jun,CHEN Xiao-mei. Application of Standard Line-scale to Calibration of Indentation Diameter Measurement System[J]. Aviation Metrology & Measurement Technology, 2008, 28(5) |
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| Authors: | ZHANG Wen-jun CHEN Xiao-mei |
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| Affiliation: | ZHANG Wen-jun,CHEN Xiao-mei (Changcheng Institute of Metrology & Measurement,Beijing 100095,China) |
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| Abstract: | During the high accurate measurement,it needs to calibrate the value of the CCD pixel in order to fit the accuracy required.In this paper a simple and convenient method for calibrating the CCD pixel with standard line-scale is introduced.The line-scale is calibrated by laser interferometer.We can get the number of pixel corresponding to a length of standard line-scale.Then we can get the real distance corresponding to every pixel.The results of the experiments show that this method can restrain the composit... |
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| Keywords: | CCD imaging standard line-scale high accuracy calibration of pixel |
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