中国科学院机构知识库网格
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Development situation and trend of domestic and international aerial mapping camera (EI CONFERENCE) 会议论文  OAI收割
2011 International Conference on Mechatronic Science, Electric Engineering and Computer, MEC 2011, August 19, 2011 - August 22, 2011, Jilin, China
Ming L. W.; Xue L.; Hui C. X.; Jun L. Q.
收藏  |  浏览/下载:27/0  |  提交时间:2013/03/25
In the modern military affairs  especially in the complex field  the acquirement of real-time battlefield information and intelligence is getting more and more important  most of this work is completed by aerial reconnaissance or aerial mapping equipment. Aerial mapping camera  with time-sensitive and flexible features  is playing an increasingly important role in modern warfare. With the development of technology  aerial mapping camera has also gone through several generations  gradually from film-based type to transmission type. The theory and composition of domestic and international typical aerial mapping camera is introduced from the development situation and trend in this paper. Finally  with the domestic research status  the development trend of aerial mapping camera is proposed. 2011 IEEE.  
Method for computer-aided alignment of complex optical system (EI CONFERENCE) 会议论文  OAI收割
2nd International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optical Test and Measurement Technology and Equipment, November 2, 2005 - November 5, 2005, Zian, China
作者:  
Yu J.
收藏  |  浏览/下载:29/0  |  提交时间:2013/03/25
For making complex optical system meet the design requirement  such as the space camera used in remote sensing and UVX lithophotography  especially for off-axis all-reflecting optical system  alignment technology is so necessary. In this paper  a method is presented. Based on the ideas of linearity instead of non-linearity and difference quotient instead of differential quotient  a mathematical model for computer-aided alignment is proposed. This model included the characteristics of the optical system  wavefront difference of its exit pupil and its misalignment of the misaligned optical system. Then comparing self-compiled software with alignment package of CODE V  as a result  this self-compiled software is much more valid than alignment package of CODE V. For a large aperture  long focal length and off-axis three-mirror optical system  computer-aided alignment is successful. Finally  the wavefront error of the middle field is 0.094 waves RMS and the wavefront error of +0.7 field is 0.106 waves RMS and the wavefront error of -0.7 field is 0.125 waves RMS at =632.8nm are obtained.