中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
机构
采集方式
内容类型
发表日期
学科主题
筛选

浏览/检索结果: 共7条,第1-7条 帮助

条数/页: 排序方式:
In-Line Mach-Zehnder Interferometer With D-Shaped Fiber Grating for Temperature-Discriminated Directional Curvature Measurement 期刊论文  OAI收割
JOURNAL OF LIGHTWAVE TECHNOLOGY, 2018, 卷号: 36, 期号: 3, 页码: 742-747
作者:  
Jiang, Biqiang;  Bai, Zhiyong;  Wang, Changle;  Zhao, Yunhe;  Zhao, Jianlin
  |  收藏  |  浏览/下载:45/0  |  提交时间:2018/12/11
Characterization and on-line adjustment of the sagittal-bent Laue crystal profile 期刊论文  OAI收割
JOURNAL OF SYNCHROTRON RADIATION, 2018, 卷号: 25, 页码: 1346-1353
作者:  
Liu, X;  Yang, JW;  Diao, QS;  Liu, P;  Zhang, XW
  |  收藏  |  浏览/下载:71/0  |  提交时间:2019/09/24
Alignment of off-axis asphere and compensator with four poles (EI CONFERENCE) 会议论文  OAI收割
4th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optical Test and Measurement Technology and Equipment, November 19, 2008 - November 21, 2008, Chengdu, China
作者:  
Li J.;  Chen Y.;  Li J.;  Li J.;  Wang P.
收藏  |  浏览/下载:58/0  |  提交时间:2013/03/25
Aspheres are utilized widely thanks to the development of optical design  manufacture and testing. Compensators are usually necessary when aspheres are under test. The alignment of aspheres and their compensators is a risk because it's tough to check whether the compensators work in right way. A new method of alignment with four poles is put forward in this paper. Optical interval error can be tight while it is quite important due to direct influence on central curvature  conic constant and high order coefficients of aspherical surface. A modified on-axis Foucault apparatus is set up since it makes the optical axis visible and helps to control the error of off-axis amount. Some small holes are drilled in the metallic cell of the compensator so that the ends of poles can be stably relied on in order to increase operational repeatability. The method has been carried out practically and it matches the measurement result given by a set of theodolites. 2009 SPIE.  
Influence of the TDI CCD camera takes pictures when high resolution satellite lateral swaying (EI CONFERENCE) 会议论文  OAI收割
2009 IEEE International Conference on Mechatronics and Automation, ICMA 2009, August 9, 2009 - August 12, 2009, Changchun, China
作者:  
Zhang L.;  Zhang L.;  Sun Z.
收藏  |  浏览/下载:18/0  |  提交时间:2013/03/25
An improved method for generating multiresolution animation models (EI CONFERENCE) 会议论文  OAI收割
2009 11th IEEE International Conference on Computer-Aided Design and Computer Graphics, CAD/Graphics 2009, August 19, 2009 - August 21, 2009, Huangshan, China
作者:  
Zhang S.
收藏  |  浏览/下载:36/0  |  提交时间:2013/03/25
In computer graphics  animated models are widely used to represent time-varying data. In this paper  we propose an improved method to generate multiresolution animation models. We use a curvature sensitive quadric error metric (QEM) criterion as our basic measurement  which can preserve local features on the surface. We append a deformation weight to the aggregated edge contraction cost for the whole animation to preserve areas with large deformation. At last  we introduce a mesh optimization method to deal with the animation sequence  which can efficiently improve the temporal coherence and reduce visual artifacts. The results show our approach is efficient  easy to implement  and good quality progressive animation models can be generated at any level of detail. 2009 IEEE.  
A novel method for determining residual stresses of hard coatings 期刊论文  OAI收割
ACTA METALLURGICA SINICA, 2008, 卷号: 44, 期号: 1, 页码: 125-128
作者:  
Zhao Shengsheng;  Hua Weigang;  Du Hao;  Gong Jun;  Sun Chao
  |  收藏  |  浏览/下载:11/0  |  提交时间:2021/02/02
Radius of curvature measurements for laser beams: A simple method 期刊论文  OAI收割
optik, 2006, 卷号: 117, 期号: 4, 页码: 173, 176
万玲玉; 刘立人; 张明丽; 栾竹
收藏  |  浏览/下载:1335/282  |  提交时间:2009/09/18