矢量边界,Vector boundary
1)Vector boundary矢量边界
1.Because change plots tone, which is detected automatically by dynamic monitoring of Land use, distributes in a definite range, in order to extract change information efficiently, change plot and its surroundings are bi-valued using technology of image processing of Photoshop, and vector boundary of change plot is drawn automaticaly by vector arithmetic of similar four directions in this paper.然后,对比其它方法处理得到的变化信息对提取的矢量边界进行编辑处理,提高数据室内处理精度。
英文短句/例句

1.Point distribution-based dual snake model in vector edge update点分布-双蛇模型用于矢量边界更新
2.Study of GIS Vector Edge Update Method Based on Prior Knowledge;基于先验知识的GIS矢量边界更新方法研究
3.Vector Edge Update Method Based on Improved Active Contour Models基于改进活动轮廓模型的矢量边界更新方法
4.A Method of Vector Edge Updating Based on Grouping Snake Model in GIS一种基于分组式蛇模型的GIS矢量边界更新方法
5.Post Stall Dynamic Boundaries and Agility Research for Thrust Vector Controlled Aircraft;推力矢量飞机过失速动态边界和敏捷性研究
6.Control Point Based Algorithm of Boundary Vectorization in a Binary Image基于控制点的二值图像边界矢量化算法
7.THE STUDY OF EDGE ELEMENT METHOD IN EM SCATTERIHNG PROBLEMS边元有限元法与矢量吸收边界条件相结合计算三维散射问题
8.vector polygon of position of mechanism机构的位置矢量多边形
9.A Study of the Formulations of Hybrid Vector FEM/BEM for EM Scattering from 3-D Objects三维目标电磁散射矢量有限元/边界元法的公式研究
10.Vectorization and Edge-reserved Quantization of Image;图象的矢量化及保边缘图象量化方法
11.acceleration vector polygon of mechanism机构的加速度矢量多边形
12.Study on the Gridding of Vector Polygon in GIS;GIS中矢量多边形网格化问题研究
13.Searching potential slip surface of slopes based on the vector sum analysis method基于矢量和分析方法的边坡滑面搜索
14.The PEC/PMC Boundary Extrapolation Truncation Method Based on Dyadic Green Functions;基于并矢格林函数的PEC/PMC边界外推截断法
15.A modified side-match vector quantizer is presented in this pap er.本文提出了一种改进的边缘匹配矢量量化器。
16.Vector Sum Analysis Method of Slope and Dam Foundation Stability Against Sliding;边坡与坝基抗滑稳定的矢量和分析法研究
17.Stability Analysis of Slope Based on Vector Method Safety Factor基于矢量和法安全系数的边坡稳定性研究
18.A Vectors Color Error Diffusion Method Based on Edge Detection基于边缘检测的彩色矢量误差扩散算法
相关短句/例句

margin vector边界矢量
3)GIS Vector EdgeGIS矢量边界
1.Study of GIS Vector Edge Update Method Based on Prior Knowledge;基于先验知识的GIS矢量边界更新方法研究
4)vector boundary advancing矢量边界推进
1.We present a method,vector boundary advancing method,to generate unstructured triangle meshes,and prove its feasibility.提出二维矢量边界推进生成非结构三角形网格方法并证明其可行性。
5)ocean border vector data海洋边界矢量
6)vector absorbing boundary condition矢量ABC吸收边界
1.To reduce reflection of CPML undersurface,we employ vector absorbing boundary condition(ABC) as undersurface that can absorb scattering wave well under small disturbance of scattering field.数值算例表明,这种按层积分CPML结合矢量ABC吸收边界的方法,吸收效果好,计算量小,效率高;具有良好的应用前景。
2.Conformal PML backed by vector absorbing boundary condition共形完全匹配层是一种有耗各向异性媒质组成的凸且光滑的壳体,其底面一般是PEC面或PMC面,但是PEC面或PMC面会对原散射场产生反射;为了减少底面反射,将CPML原有的PEC(或PMC)底面改为矢量ABC吸收边界,并给出了带矢量ABC底面的CPML泛函公式。
延伸阅读

伯格斯矢量分子式:CAS号:性质:是位错尺寸的量度。当位错在晶体内滑动时,原子沿着某一特定的方向相对于其邻近原子切变了某一特定的距离,表示这种原子位移的矢量定义为位错的伯格斯矢量。对螺型位错,位错线平行于伯格斯矢量;对刃型位错,位错线垂直于伯格斯矢量;对于混合型位错,位错线斜交于伯格斯矢量。