| 可见光变焦距电视光学系统设计 |
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| 引用本文： | 田海霞,杨建峰,马小龙.可见光变焦距电视光学系统设计[J].光子学报,2008,37(9):1797-1799. |
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| 作者姓名： | 田海霞 杨建峰 马小龙 |
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| 作者单位： | 1. 中国科学院西安光学精密机械研究所,空间室,西安,710119;中科院研究生院,北京,100039
2. 中国科学院西安光学精密机械研究所,空间室,西安,710119 |
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| 摘 要： | 基于高斯光学理论准确选择高斯解,并采用机械补偿机构,实现了连续变焦.设计了一种焦距为20 m~200 mm可见光变焦距电视光学系统,视场角为22.62°~2.3°.系统的极限分辨率达59.5lp/mm.经过像差校正后,60lp/mm处的MTF大于0.4.
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| 关 键 词： | 电视成像系统 变焦距 高斯光学 像差 |
| 收稿时间： | 2007-05-16 |
| 修稿时间： | 2007-06-08 |
Design for Visible Video Zoom Optical System |
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| TIAN Hai-xia,YANG Jian-feng,MA Xiao-long.Design for Visible Video Zoom Optical System[J].Acta Photonica Sinica,2008,37(9):1797-1799. |
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| Authors: | TIAN Hai-xia YANG Jian-feng MA Xiao-long |
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| Abstract: | The imaging TV system is usually applied to automatically follow and measure the flying targets,because of its convenience to our observation as well as the digital and processing of video information.It is obvious that the TV lens with one kind of focal length can not meet the needs of searching,tracking and measuring.A mechanical-compensated zoom lens is adopted,Gaussian optics for the zoom system is described in order to choose the proper Gaussian solution,avoid coming into the no solution range,and the design process′s blindness is decreased.An example of visible video zoom system was given with configuration f′=20～200mm,ω＝22.62°～2.3°,and fit for 1/2 inch CCD. |
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| Keywords: | Imagine TV system Zoom lens Gaussian optics Aberration |
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