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浏览/检索结果: 共5条，第1-5条 帮助 限定条件 专题：北京大学    第一署名单位    第一作者单位    通讯作者单位     已选(0)清除 条数/页：5101520253035404550556065707580859095100   排序方式：请选择作者升序作者降序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 Tree species classification based on explicit tree structure feature parameters derived from static terrestrial laser scanning data 期刊论文 AGRICULTURAL AND FOREST METEOROLOGY, 2016 Lin, Yi; Herold, Martin 收藏  |  浏览/下载：3/0  |  提交时间：2017/12/03 Tree species classification  Static terrestrial laser scanning (TLS)  Explicit tree structure feature parameters  Support vector machine (SVM) classifier  Leave-one-out-for-cross-validation (LOOCV)  SUPPORT VECTOR MACHINES  LIDAR DATA  MULTISPECTRAL IMAGERY  TEMPERATE FOREST  STANDING TREES  AIRBORNE LIDAR  TOPOGRAPHY  PROFILES  BIOMASS  FUSION   A robust and contact resolving Riemann solver on unstructured mesh, Part II, ALE method 期刊论文 计算物理学杂志, 2014 Shen, Zhijun; Yan, Wei; Yuan, Guangwei 收藏  |  浏览/下载：1/0  |  提交时间：2015/11/11 Godunov methods  Riemann solver  Moving mesh  ALE  HYPERBOLIC CONSERVATION-LAWS  FLOW CALCULATIONS  HARMONIC MAPS  STRONG SHOCKS  GAS-DYNAMICS  EULER  DIMENSIONS  SCHEME  HYDRODYNAMICS  ERRORS   An effective integration of methods for second-order three-dimensional multi-material ALE method on unstructured hexahedral meshes using MOF interface reconstruction 期刊论文 计算物理学杂志, 2013 Jia, Zupeng; Liu, Jun; Zhang, Shudao 收藏  |  浏览/下载：6/0  |  提交时间：2015/11/11 Three-dimensional unstructured meshes  Multi-material arbitrary Lagrangian-Eulerian method  MOF interface reconstruction  Compressible fluid flow  FINITE-ELEMENT-METHOD  RAYLEIGH-TAYLOR INSTABILITY  CENTERED LAGRANGIAN SCHEME  COMPRESSIBLE FLOW PROBLEMS  EULERIAN COMPUTING METHOD  CONSERVATIVE INTERPOLATION  ARTIFICIAL VISCOSITY  POLYHEDRAL MESHES  HYDRODYNAMICS ALGORITHM  EFFICIENT LINEARITY   An operator-split ALE model for large deformation analysis of geomaterials 期刊论文 international journal for numerical and analytical methods in geomechanics, 2007 Di, Y.; Yang, J.; Sato, T. 收藏  |  浏览/下载：3/0  |  提交时间：2015/11/12 finite strain  ALE model  saturated soil  porous media  non-linearity  dynamics  FINITE-ELEMENT METHOD  DYNAMIC BEHAVIOR  SOLID MECHANICS  QUANTITATIVE SOLUTIONS  LIQUEFACTION ANALYSIS  SATURATED PROBLEMS  RATIONAL APPROACH  FORMULATION  SOILS  CONSOLIDATION   PrDLs: A new kind of probabilistic description logics about belief 其他 2007-01-01 Tao, Jia; Wen, Zhao; Hanpin, Wang; Lifu, Wang 收藏  |  浏览/下载：2/0  |  提交时间：2015/11/17