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• 长春光学精密机械与... [23]

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• OAI收割 [23]

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• 会议论文 [23]

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• 2014 [1]
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浏览/检索结果: 共23条，第1-10条 帮助 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     条数/页： 5101520253035404550556065707580859095100 排序方式： 请选择提交时间升序提交时间降序题名升序题名降序作者升序作者降序发表日期升序发表日期降序 Field programmable gate array configuration monitoring technology for space-based systems 会议论文  OAI收割 2013 International Conference on Mechatronics and Automatic Control Systems, ICMS 2013, August 10, 2013 - August 11, 2013, Hangzhou, China 作者:  Li J.;  Li J.;  Li J. 收藏  |  浏览/下载：20/0  |  提交时间：2015/04/27 Determination of Director Profile in the Vertical Alignment Nematic Liquid Crystal Cell by the Full Leaky Guided Mode Technique 会议论文  OAI收割 2012 Xing H. Y.; Ye W. J.; Wu N. F.; Si L. B.; Zhang Z. D. 收藏  |  浏览/下载：8/0  |  提交时间：2013/03/28 Multi-focus Image Fusion Algorithm Based On Adaptive PCNN And Wavelet Transform 会议论文  OAI收割 2011 Wu Z. G.; Wang M. J.; Han G. L. 收藏  |  浏览/下载：8/0  |  提交时间：2013/03/28 Ground-based measurement of the space object temperature 会议论文  OAI收割 2010 Wang G. Q.; Wu Y. H.; Wang J. L.; Zhao J. Y. 收藏  |  浏览/下载：11/0  |  提交时间：2013/03/28 Research on Automatic Multispectral Images Synthesis of Space Camera 会议论文  OAI收割 2010 Wu X. X.; Liu J. G.; Zhou H. D.; Kong D. Z.; Lv S. L. 收藏  |  浏览/下载：7/0  |  提交时间：2013/03/28 The Movement Estimation of Target and Background by Fourier Phase Spectrum Difference 会议论文  OAI收割 2010 Wu Y. H.; Zhang S. X.; Wang J. L.; Jia J. L.; Yu Q. Y.; Zhang X. G.; Ieee 收藏  |  浏览/下载：1/0  |  提交时间：2013/03/28 Numerical analysis and experimental research of output performance for Yb3+-doped double-clad fiber lasers (EI CONFERENCE) 会议论文  OAI收割 High-Power Lasers and Applications III, November 8, 2004 - November 11, 2004, Beijing, China 作者:  Wang G.;  Gao Y.;  Li Y.;  Li Y.;  Li Y. 收藏  |  浏览/下载：13/0  |  提交时间：2013/03/25 In this paper  numerical analysis was investigated for the double-clad fiber lasers and experimental study on the Yb3+-doped double-clad fiber lasers was performed. The results shown that the output power increased monotonically with absorbed power  and in lossy cavity the output power is less than in the lossless cavity. The output power decreases for the lossy fiber with the reflectivity of output coupler. There was an optimum fiber length to reach a maximum output and the optimum length was mainly dependent on the loss coefficient. In experiment we obtained a output power of 21.6W  slope efficiency of 54% by using Yb3+-doped double-clad fiber and 40W LD pump source.   Measurement of binocular stereo-acuity and analysis of binocular peripheral vision characteristics for design of a head mounted display with wide view 会议论文  OAI收割 2005 Li X. G.; Wu J. L.; Kawamura S. 收藏  |  浏览/下载：9/0  |  提交时间：2013/03/28 The advanced position compensation to improve the dynamic tracking ability for fast moving target in an optoelectronic tracking system (EI CONFERENCE) 会议论文  OAI收割 ICO20: Optical Devices and Instruments, August 21, 2005 - August 26, 2005, Changchun, China 作者:  Zhao L.;  Chen J. 收藏  |  浏览/下载：15/0  |  提交时间：2013/03/25 The servo control system of the optoelectronic tracking equipment usually is a kind of SISO. When the fast moving target is tracked  the over-tune of the servo system is the main representation for the dynamic tracking error. As the result  the tracking ability may be improved by limiting the over-tune. We put forward a method  the advanced position compensation (called as APC in short)  which is to check the speed-overtune by applying the advanced position information. For the large accelerate target  small over-tune tracking is achieved  but it lowers the ability for tracking the sine signal at low frequency area. While the dynamic high-type can improve the tracking precision for the sine signal at low frequency area  we work out a brand-new method  which combines the advantages of the both. It increases the tracking precision in the whole frequency band at large scale for the optoelectronic tracking system. The simulation results show that when the target moves with the largest accelerate 120/s2  120/s  the maximum static tracking error is about 0.6.   A new method of image reconstruction with high resolution in X-ray coded aperture imaging (EI CONFERENCE) 会议论文  OAI收割 Laser-Generated, Synchrotron, and Other Laboratory X-Ray and EUV Sources, Optics, and Applications II, August 2, 2005 - August 4, 2005, San Diego, CA, United states 作者:  Sun Y.;  Sun Y. 收藏  |  浏览/下载：19/0  |  提交时间：2013/03/25 In the processing diagnosis of the inertia confinement fusion (ICF)  the ring coded aperture imaging technique is applied in order to gain high space and time resolutions simultaneously. The key of acquiring high spatial resolution is how to obtain a point spread function of an imaging system. The common method is the firsthand projection method which is an approximate one. The x-ray diffraction effect is neglected in the method  so the resolution of reconstructed image is decreased. We have derived the point spread function (PSF) of the ring coded aperture from scalar diffraction theory. And the Wiener filter is fabricated on the basis of the PSF. In National Key Laboratory of Laser Fusion  at China Academy of Engineering Physics  the imaging experiment on the diagnosis of ICF is completed using the ring coded aperture plate with inner diameter d1 = 250m and outer diameter d2 = 260m . The obtained coded image is processed by the Wiener filter which diffractive effect is considered. The processed results have shown that resolution and modulation contrast of acquired image are evidently better than the results obtained by the firsthand projection method.