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浏览/检索结果: 共18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发表日期升序发表日期降序提交时间升序提交时间降序作者升序作者降序 A grid-based tropospheric product for China using a GNSS network 期刊论文  OAI收割 JOURNAL OF GEODESY, 2018, 卷号: 92, 期号: 7, 页码: 765-777 作者:  Zhang, Baocheng;  Li, Wei;  Yuan, Yunbin;  Zhang, Hongxing;  Ou, Jikun   |  收藏  |  浏览/下载：49/0  |  提交时间：2018/12/29 Global navigation satellite systems (GNSS)  Zenith tropospheric delay (ZTD)  IGGtrop model  Grid-based tropospheric product (GTP)  Undifferenced and uncombined precise point positioning (UU-PPP)   Algebraic encoding scheme for aperture 3 hexagonal discrete global grid system 期刊论文  OAI收割 SCIENCE CHINA-EARTH SCIENCES, 2018, 卷号: 61, 期号: 2, 页码: 215-227 作者:  Ben Jin;  Li YaLu;  Zhou ChengHu;  Wang Rui;  Du LingYu   |  收藏  |  浏览/下载：49/0  |  提交时间：2019/05/30 Discrete Global Grid System  Hexagon  Positional number system  Algebraic encoding   Algebraic encoding scheme for aperture 3 hexagonal discrete global grid system 期刊论文  OAI收割 SCIENCE CHINA-EARTH SCIENCES, 2018, 卷号: 61, 期号: 2, 页码: 215-227 作者:  Ben Jin;  Li YaLu;  Zhou ChengHu;  Wang Rui;  Du LingYu   |  收藏  |  浏览/下载：39/0  |  提交时间：2019/05/30 Discrete Global Grid System  Hexagon  Positional number system  Algebraic encoding   Algebraic encoding scheme for aperture 3 hexagonal discrete global grid system 期刊论文  OAI收割 SCIENCE CHINA-EARTH SCIENCES, 2018, 卷号: 61, 期号: 2, 页码: 215-227 作者:  Ben Jin;  Li YaLu;  Zhou ChengHu;  Wang Rui;  Du LingYu   |  收藏  |  浏览/下载：31/0  |  提交时间：2019/05/30 Discrete Global Grid System  Hexagon  Positional number system  Algebraic encoding   Control strategy of grid-connected photovoltaic generation system based on GMPPT method 会议论文  OAI收割 2nd International Conference on Energy Engineering and Environmental Protection (EEEP2017), Sanya, China, November 20-22, 2017 作者:  Hu, Bo;  Zhang, Xuyang;  Gu, Yongqiang;  Zhou, Bowen;  Wang ZF(王忠锋)   |  收藏  |  浏览/下载：40/0  |  提交时间：2017/12/21 PV system  Global maximum power point tracking (GMPPT)  Incremental conductance (INC) method  Particle swarm optimization (PSO)  Grid-connected control   A global shallow-water model on an icosahedral-hexagonal grid by amulti-moment constrained finite-volume scheme 期刊论文  OAI收割 Quarterly Journal of The Royal Meteorological Society, 2014, 卷号: 140, 期号: 679, 页码: 639-650 作者:  Chen CG(陈春刚);  Bin JZ(宾聚忠);  Xiao F(肖锋);  Li XL;  Shen XS 收藏  |  浏览/下载：48/0  |  提交时间：2014/07/03 global model  icosahedral-hexagonal grid  multi-moment constraints  high-order scheme  shallow-water equations   Efficient encoding and spatial operation scheme for aperture 4 hexagonal discrete global grid system SCI/SSCI论文  OAI收割 2013 作者:  Pei T.;  Wang Y. 收藏  |  浏览/下载：37/0  |  提交时间：2014/12/24 discrete global grid system  hexagon  encoding  spatial operation   Classification of hyperspectral image based on SVM optimized by a new particle swarm optimization (EI CONFERENCE) 会议论文  OAI收割 2012 2nd International Conference on Remote Sensing, Environment and Transportation Engineering, RSETE 2012, June 1, 2012 - June 3, 2012, Nanjing, China 作者:  Gao X.;  Yu P.;  Yu P. 收藏  |  浏览/下载：26/0  |  提交时间：2013/03/25 Support Vector Machine (SVM) is used to classify hyperspectral remote sensing image in this paper. Radial Basis Function (RBF)  which is most widely used  is chosen as the kernel function of SVM. Selection of kernel function parameter is a pivotal factor which influences the performance of SVM. For this reason  Particle Swarm Optimization (PSO) is provided to get a better result. In order to improve the optimization efficiency of kernel function parameter  firstly larger steps of grid search method is used to find the appropriate rang of parameter. Since the PSO tends to be trapped into local optimal solutions  a weight and mutation particle swam optimization algorithm was proposed  in which the weight dynamically changes with a liner rule and the global best particle mutates per iteration to optimize the parameters of RBF-SVM. At last  a 220-bands hyperspectral remote sensing image of AVIRIS is taken as an experiment  which demonstrates that the method this paper proposed is an effective way to search the SVM parameters and is available in improving the performance of SVM classifiers. 2012 IEEE.   Global advection transport model on hexagonal-pentagonal geodesic grid by multi-moment scheme 会议论文  OAI收割 International Conference on Computational Science (ICCS) on the Ascent of Computational Excellence, Singapore, SINGAPORE, JUN 01-03, 2011 作者:  Bin JZ(宾聚忠);  Chen CG(陈春刚);  Xiao F(肖锋) 收藏  |  浏览/下载：42/0  |  提交时间：2013/02/26 Global model  advection transport  multi-moment method  icosahedral geodesic grid  hexagonal-pentagonal element  high order accuracy  SHALLOW-WATER EQUATIONS  BAROTROPIC VORTICITY EQUATION  SPHERE  DISCRETIZATIONS  FORMULATION  INTEGRATION   The Expression of Discretization Line and Error Analysis in Discrete Global Grid System 会议论文  OAI收割 2011 3rd International Conference on Environmental Science and Information Application Technology Esiat 2011, Vol 10, Pt A, Amsterdam Tao, Ming; Wen, Yuan; Su, Li; Peng GuangXiong 收藏  |  浏览/下载：16/0  |  提交时间：2014/12/07 discretization error of line  error analysis  discrete global grid  system