| 用于精密测量的自动变焦系统及标校方法的研究 |
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| 引用本文： | 杨小君,苏秀琴,郝伟,李哲,刘刚,杨秀芳.用于精密测量的自动变焦系统及标校方法的研究[J].光子学报,2005,34(12):1921-1924. |
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| 作者姓名： | 杨小君 苏秀琴 郝伟 李哲 刘刚 杨秀芳 |
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| 作者单位： | 中国科学院西安光学精密机械研究所,西安,710068;中国科学院研究生院,北京,100039;中国科学院西安光学精密机械研究所,西安,710068;西安理工大学机械与精密仪器工程学院,西安,710048 |
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| 摘 要： | 介绍了变焦距镜头在高速电视测量仪中用于精密测量的控制和标校方法.系统主要采用PC104系统核心模块，运动控制卡，以及步进电机来实现对变焦系统的精确控制，再加上对镜头的精确标校修正镜头自身的系统误差，从而使得基于变焦距镜头的高速电视在用于弹道测量中成为可能，大大提高了靶场测量准确度.
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| 关 键 词： | 高速电视测量 自动变焦 变焦镜头 标校 |
| 收稿时间： | 2004-10-19 |
| 修稿时间： | 2004年10月19 |
The Study at Automatic Focusing Systems and Methods of Calibrated Focal Length Used in Precision Measurement |
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| Yang Xiaojun,Su Xiuqin,Hao Wei,Liu Gang,Li Zhe,Yang Xiufang.The Study at Automatic Focusing Systems and Methods of Calibrated Focal Length Used in Precision Measurement[J].Acta Photonica Sinica,2005,34(12):1921-1924. |
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| Authors: | Yang Xiaojun Su Xiuqin Hao Wei Liu Gang Li Zhe Yang Xiufang |
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| Institution: | 1 Graduate College of Chinese Academy of Science,Beijing 100039;2 Xi′an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi′an 710068;3 College of Machinery and Precision Instrument,Xi′an University of Technology,Xi′an 710048 |
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| Abstract: | Introduced a method of controlling and calibrating focal length about zoom lens used in precision measurement in High-Speed TV Measurement Instrument. Systems adopted PC104 SysCentreModule, Motion Controller and Step Motor to realize precision control in the zoom systems. In addition,correct lens systematic error by precise calibrated focal length. In this method,it became possible that High-Speed TV Measurement Instrument Systems based on zoom lens were used in trajectory measurement and to improve measurement accuracy in shooting range greatly. |
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| Keywords: | High-speed TV measurement Automatic focusing Zoom lens Calibrated focal length |
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