王文明, 卢江滨. 用微机对光栅位移量进行快速、精确测量[J]. 武汉大学学报 ( 信息科学版), 1988, 13(1): 56-61.
引用本文: 王文明, 卢江滨. 用微机对光栅位移量进行快速、精确测量[J]. 武汉大学学报 ( 信息科学版), 1988, 13(1): 56-61.
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Wang Wenming, Lu Jiangbin. Quick and Accurate Measurement of Grating Displacement with Microprocessor[J]. Geomatics and Information Science of Wuhan University, 1988, 13(1): 56-61.
Citation: Wang Wenming, Lu Jiangbin. Quick and Accurate Measurement of Grating Displacement with Microprocessor[J]. Geomatics and Information Science of Wuhan University, 1988, 13(1): 56-61.
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用微机对光栅位移量进行快速、精确测量

Quick and Accurate Measurement of Grating Displacement with Microprocessor

    摘要
  • 摘要: 本文根据微机的特点,提出了用快速"查表法"对莫尔条纹信号进行电子细分的原理和一套完整的方法,测量的精度主要取决于光栅信号的质量。以此为基础,详细介绍了以TP-801单板机为核心完成40细分的实时数据采集与处理系统的组成,工作原理及微机算法程序。实验结果表明:用"查表法"可以对光栅位移量进行快速而精确地测号。

     

    Abstract: This paper puts forward the quick "table-seeking" principle and a set of methods for the electronic division of the Moré-fringe signal. The measurement accuracy is mainly dependent on the quality of the grating signal. The system can perform the real-time data sampling with fourty divisions of the Moré-fringe signal. The exeprimental results show that the "table-seeking" method can measure the grating displacement quickly and accurately.

     

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