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长春光学精密机械与... [45]

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限定条件	内容类型：会议论文专题：长春光学精密机械与物理研究所第一署名单位第一作者单位通讯作者单位

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	Power spectral density specification and analysis of system optical jitter 会议论文 International Symposium on Optoelectronic Technology and Application 2014: Imaging Spectroscopy; and Telescopes and Large Optics, IPTA 2014, May 13, 2014 - May 15, 2014, Beijing, China An Q.-C.; Yang F.; Guo P.; Liu X.-Y. 收藏 \| 浏览/下载：13/0 \| 提交时间：2015/04/27
	Application of interferometry measurement in large-scale optic-electrical theodolite (EI CONFERENCE) 会议论文 2012 International Conference on Sensors, Measurement and Intelligent Materials, ICSMIM 2012, December 26, 2012 - December 27, 2012, Guilin, China Zhao N.; Sun Z. 收藏 \| 浏览/下载：23/0 \| 提交时间：2013/03/25 Interferometry is a very important method in high accuracy measurement for optical system. This article briefly introduced the conception of interferometry and took a product of 4D Technology as an example to carry on the measurement. A large-scale optic-electrical Theodolite in assemblage was measured and its primary mirror was 400mm in diameter. With the analysis of the results some micro adjustments of the mechanical structure proceed and it made the system perform better. The final results of the whole system is 1.061 in P-V value and 0.1136 in RMS value (=632.8nm) this meets the demand of optical design and practical application. The result demonstrates that interferometry is a good way to be utilized and optimize in the procedure of assemble. (2013) Trans Tech Publications Switzerland.
	Ion Beam Figuring fabricate effect with different removal sizes 会议论文 Asia Pacific Conference on Optics Manufacture 2012, APCOM 2012, August 26, 2012 - August 28, 2012, Changchun, China Gu Y. Q. 收藏 \| 浏览/下载：21/0 \| 提交时间：2014/05/15
	Application of interferometry measurement in large-scale optic-electrical theodolite 会议论文 2012 International Conference on Sensors, Measurement and Intelligent Materials, ICSMIM 2012, December 26, 2012 - December 27, 2012, Guilin, China Zhao N.; Sun Z. 收藏 \| 浏览/下载：9/0 \| 提交时间：2014/05/15
	Small pitch tool for removing middle spatial frequency errors 会议论文 Asia Pacific Conference on Optics Manufacture 2012, APCOM 2012, August 26, 2012 - August 28, 2012, Changchun, China Wang G. 收藏 \| 浏览/下载：8/0 \| 提交时间：2014/05/15
	Optimization design of a framework for an infrared seeker 会议论文 2013 4th International Conference on Material and Manufacturing Technology, ICMMT 2013, May 11, 2013 - May 12, 2013, Seoul, Korea, Republic of Wang T.; Zhao M.; Jia H. G. 收藏 \| 浏览/下载：8/0 \| 提交时间：2014/05/15
	The design of space scanning mirror control system based on optimal tracking controller (EI CONFERENCE) 会议论文 2012 International Conference on Electrical Insulating Materials and Electrical Engineering, EIMEE 2012, May 25, 2012 - May 27, 2012, Shenyang, Liaoning, China Sui W.; Song K.; Zhang P. 收藏 \| 浏览/下载：14/0 \| 提交时间：2013/03/25 Control system of space scanning mirror has high requirement of scanning accuracy. The use of optimal tracking controller simulation experiment of the control system based on optimal tracking controller is carried out. The simulation result instead of traditional PID controller the control system based on optimal tracking controller is designed in comparison with the system based on a PID controller can effectively improve the scanning accuracy of space scanning mirror control system. State space model of the control system is established shows that the scanning mirror control system using optimal tracking controller instead of PID controller has higher scanning accuracy and faster response. (2012) Trans Tech Publications Switzerland.
	Tracking error modeling of the theodolite based on GRNN method (EI CONFERENCE) 会议论文 2nd International Conference on Frontiers of Manufacturing and Design Science, ICFMD 2011, December 11, 2011 - December 13, 2011, Taichung, Taiwan Li M.; Gao H. 收藏 \| 浏览/下载：15/0 \| 提交时间：2013/03/25 To meet the requirement of high tracking accuracy as well as develop more reasonable evaluation method in this paper the General Regression Neural Network (GRNN) has been applied to build the tracking error model of the theodolite. First we analyze the nonlinear factors in the theodolite. Second we discuss the principle of GRNN including its structure the function as well as its priors. Third we build the tracking error model based on GRNN and verify the model through the different parameters. The result indicated that the network model based on GRNN has high accuracy and good generalization ability. It could instead the real system to a certain extent. The research in this paper has important value to the engineering practice.
	Space camera dynamic image quality measurement and evaluation (EI CONFERENCE) 会议论文 3rd International Conference on Measuring Technology and Mechatronics Automation, ICMTMA 2011, January 6, 2011 - January 7, 2011, Shanghai, China Su W.; Zhang X. 收藏 \| 浏览/下载：14/0 \| 提交时间：2013/03/25 By using analysis of the infinity image of the space camera we intend to obtain the curve of the dynamic modulation transfer function. We extract the pixel gray values at the image edge which distribute as a knife-edge function and make differential calculation and Fourier transformation of it and then we can obtain the dynamic MTF curve of the optical system. The value of the curve at the Nyquist frequency is the most important parameter that reflects the image quality. We add push-scanning imaging and environmental effects to the static MTF of space camera and compare the MTF value with the dynamic MTF at Nyquist frequency. The comparison result can help us verify the accuracy of the calculating results and the feasibility of our method. (2011) Trans Tech Publications.
	Technology on fabrication of precise SiC aspherical mirror (EI CONFERENCE) 会议论文 2011 International Conference on Materials and Products Manufacturing Technology, ICMPMT 2011, October 28, 2011 - October 30, 2011, Chengdu, China Zhang Z. 收藏 \| 浏览/下载：18/0 \| 提交时间：2013/03/25 This paper represents a technique to produce the large size optical aspherical mirror by using reaction-bonded silicon carbide to meet the material requirements of the space used mirrors based on the characters comparison of all types mirror material. Techniques are described in this paper including the bonding procedure of silicon carbide to form a mirror shape the CCOM technology for aspheric grinding polishing on a home-developed tool -FSGJ-2 and the aspheric profilometry. A specialized Offner Null lens is also developed to measure the aspherical mirror with laser interferometer. With the technology depicted in the paper a 502mm 298 mm off-axis SiC aspherical mirror is successfully made with a surface accuracy better than 1/50rms the final result meets the design requirement. (2011) Trans Tech Publications.

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