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浏览/检索结果: 共11条，第1-10条 帮助 条数/页： 5101520253035404550556065707580859095100 排序方式： 请选择题名升序题名降序提交时间升序提交时间降序作者升序作者降序发表日期升序发表日期降序 Progressive Depth Decoupling and Modulating for Flexible Depth Completion 期刊论文  OAI收割 IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT, 2024, 卷号: 73, 页码: 16 作者:  Yang, Zhiwen;  Zhang, Jiehua;  Li, Liang;  Yan, Chenggang;  Sun, Yaoqi   |  收藏  |  浏览/下载：3/0  |  提交时间：2024/12/06 Accuracy  Decoding  Transformers  Three-dimensional displays  Task analysis  Estimation  Research and development  Adaptive depth modulating  depth completion  depth discretization  incremental depth decoupling   Model-free feature screening for ultrahigh dimensional classification 期刊论文  OAI收割 JOURNAL OF MULTIVARIATE ANALYSIS, 2020, 卷号: 178, 页码: 12 作者:  Sheng, Ying;  Wang, Qihua   |  收藏  |  浏览/下载：26/0  |  提交时间：2020/06/30 Classification accuracy  The Bayes rule  Sure screening  Ultrahigh dimensional classification   New Three-Dimensional Assessment Model and Optimization of Acoustic Positioning System 期刊论文  OAI收割 CMC-COMPUTERS MATERIALS & CONTINUA, 2020, 卷号: 64, 期号: 2, 页码: 1005-1023 作者:  Zhao, Lin;  Chen, Xiaobo;  Cheng, Jianhua;  Yu, Lianhua;  Lv, Chengcai   |  收藏  |  浏览/下载：55/0  |  提交时间：2020/08/03 Acoustic positioning system  three-dimensional assessment model  positioning accuracy  DOP  optimal configuration   3D printed ceramic phosphor and the photoluminescence property under blue laser excitation 期刊论文  OAI收割 JOURNAL OF THE EUROPEAN CERAMIC SOCIETY, 2019, 卷号: 39, 期号: 8, 页码: 2731 作者:  Hu, Song;  Liu, Yingli;  Zhang, Yunli;  Xue, Zhenhai;  Wang, Zhengjuan   |  收藏  |  浏览/下载：80/0  |  提交时间：2019/12/26 3D printing  Dimensional accuracy  Ceramic phosphor  High-flux laser lighting  Microstructure   Numerical and experimental validation of a three-dimensional combustion diagnostic based on tomographic chemiluminescence 期刊论文  OAI收割 OPTICS EXPRESS, 2013, 卷号: 21, 期号: 6, 页码: 7050-7064 作者:  Cai WW;  Li XS;  Li F(李飞);  Ma L 收藏  |  浏览/下载：25/0  |  提交时间：2013/05/14 Combustion diagnostics  Chemiluminescence  Three dimensional computer graphics  Monitoring and control  Random orientations  Reconstruction accuracy  Reconstruction algorithms  Three-dimensional (3D) measurements   Structural design of large aperture rectangular mirror for space telescope (EI CONFERENCE) 会议论文  OAI收割 2nd International Conference on Civil Engineering and Transportation, ICCET 2012, October 27, 2012 - October 28, 2012, Guilin, China 作者:  Li Z.;  Li Z. 收藏  |  浏览/下载：41/0  |  提交时间：2013/03/25 Structural design of large aperture mirror is one of the key technologies for space telescope development. To meet the requirements of high stiffness  strength and thermal dimensional stability  some factors such as support scheme  materials selection  lightweight design and flexible support design were taken into account. The three supports location of the mirror was determined according to the modal analytical solution. By adjusting the parameters of flexure hinge  influences of gravity  assembly stress and thermal stress on the mirror were reduced obviously. Finite element analysis (FEA) results indicate that the surface accuracy reach to rms10.2nm and 10.8nm under the gravity along optical axis direction and 5C uniform temperature rise respectively  the fundamental frequency of the mirror component is 268Hz. Dynamics test shows that the first order natural frequency is 256Hz  which shows an error less than 5% compared to FEA results. (2013) Trans Tech Publications  Switzerland.   Accuracy of Low-level Surface in Hierarchical Construction of Potential Energy Surface 期刊论文  OAI收割 chinese journal of chemical physics, 2012, 卷号: 25, 期号: 2, 页码: 186-190 作者:  Wang, Chun-rui;  Zhang, Dong H. 收藏  |  浏览/下载：19/0  |  提交时间：2013/10/11 Hierarchical construction scheme  Accuracy of potential energy surface  Three-dimensional cubic spline   Structural design for lightweight off-axis TMA space telescope (EI CONFERENCE) 会议论文  OAI收割 2011 2nd International Conference on Digital Manufacturing and Automation, ICDMA 2011, August 5, 2011 - August 7, 2011, Zhangjiajie, Hunan, China 作者:  Li Z.;  Li Z. 收藏  |  浏览/下载：35/0  |  提交时间：2013/03/25 A kind of small space telescope with 1m focal length was designed. By adopting finite element analysis technique  the structure of the space telescope was analyzed. The analysis results indicate that the surface profile accuracy of the mirrors reach to RMS 8.0nm with the working circumstances 4C uniform temperature change and space micro-gravity  the base frequency of the structure was 115 Hz. It shows that the designed structure has sufficiently high dynamic and static stiffness and thermal dimensional stabiLity. This space optical telescope is very suitable for little satellite application. 2011 IEEE.   Three-dimensional angle measurement based on auto-collimation and moire fringe (EI CONFERENCE) 会议论文  OAI收割 2008 International Conference on Optical Instruments and Technology: Optoelectronic Measurement Technology and Applications, November 16, 2008 - November 19, 2008, Beijing, China Cai S.; Liang S.; Qiao Y.-F. 收藏  |  浏览/下载：27/0  |  提交时间：2013/03/25 A method for small three-dimensional (3D) angle measurement based on auto-collimation and moire fringe is proposed and analyzed. A right-angle prism is used as the indicator of angle change. The inclined plane indicates the pitch and yaw angles and roll angle in indicated by the rib which is the intersection of two right-angle sides. Pitch and yaw angles measurement are implemented by auto-collimation based on reticule and roll angle measurement is measured based on moire fringe. Roll angle measurement is separated from pitch and yaw by using two light sources with different frequencies. Any small change of pitch and roll angles will induce the shift of the reticule image after reflecting by inclined plane. And any small roll angle will induce a change in moire fringe width that is generated by scale grating image which is reflected by the prism and index grating. The math model of this method is built up and error analysis is presented. The theoretical calculation results show that the proposed method is feasible and can achieve high accuracy. 2009 SPIE.   High Order Multi-Moment Constrained Finite Volume Method. Part I: Basic Formulation 期刊论文  OAI收割 Journal of Computational Physics, 2009, 卷号: 228, 期号: 10, 页码: 3669-3707 作者:  Satoshi I;  Xiao F(肖锋);  Xiao F 收藏  |  浏览/下载：1219/140  |  提交时间：2009/08/03 Finite Volume Method  High-Order Accuracy  Multi-Moment  Hyperbolic Conservation Laws  Compact Stencil  Local Reconstruction  Spectral Difference Method  Hyperbolic Conservation-Laws  One-Dimensional Systems  Unstructured Grids Ii  Shallow-Water Model  Element Method  Efficient Implementation  Incompressible Flows  Unified Formulation  Riemann Solvers