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- Earthworks zero line is determined by constructing the spatial gridding curved surface model of the original terrain and the field leveling design terrain by digital elevation mode(DEM). 目的利用数字高程模型(digital elevation model;DEM)构造原始地形和场平设计地形的空间网格曲面模型;确定土方工程中的零线.
- spatial gridding curved surface model 空间网格曲面模型
- With fluctuation horizontal long-base method realization three dimensional surface modeling. 用浮动水平线法实现的三维曲面造型。
- The rende-ring process included two stages: water surface modeling and illumination simulation. 该渲染过程分为两个阶段,即水面建模和光照实现。
- Another type of modeling technique is 'surfacing' (Freeform surface modeling). 另一个曲面造型很有优势的例子是车身面板。
- It simply introduces bottom layer structure and surface modeling module of PEDS. 本文简单 介绍了PEDS系统的底层结构及曲面造型模块。
- The images will be zoomed in by interpolatory subdivision and no intermediate continuous surface model should be established. 该算法无须建立中间连续图像模型,能自适应地插值,而且插值系数可为任意正实数。
- Considering the die-cavity roughing being a 2.5D cutting, a novel cutting force surface model is created based on orthogonal cutting tests. 鉴于模具型腔粗加工常采用2.;5维加工,提出一种通过正交切削试验建立切削力曲面模型用于模具型腔粗加工进给率优选的新策略。
- The proposed approach helps to promote the application and popularization of curvature line in CAGD and surface modeling. 文中的思想与算法有助于曲率线技术在计算机辅助几何设计及曲面造型中的使用与推广.
- Combined with the ARDE, surface modeling method and CFD technique, the low aspect ratio stator and the TRT rotor are optimized. 耦合该算法与曲面造型方法以及CFD求解技术,本文发展了一种适用于叶轮机械三维气动优化设计的全局自动气动优化算法。
- As a new method to map the outer cortex of the human brain, a deformable surface model is described in this paper. 探讨了大脑表面形态提取的一种新方法可变形表面模型。
- The exporting of the surface model in standard form is completed with DXF standard form. 利用DXF文件格式完成了曲面标准格式输出。
- The results show that calm sea surface model is precious enough and time saving in computation of radia... 而在模拟海面背景红外热像时,波浪的影响不可忽视,必须采用波浪海面模型模拟海面辐射亮度。
- By now free form surface modeling is an important research branch of CAD/CAGD, it is also the foundation of CAM technology. 自由曲面造型是当前CAD/CAGD的一个重要研究方向,也是CAM技术的基础。
- A bullet describes a curved path in the air. 子弹在空中作曲线运动。
- NURBS Curved Surface Modeling System Design Scheme for Mold Design 一种用于模具设计的NURBS曲面造型系统设计方案
- The spear curved through the air. 标枪在空中沿曲线运动。
- The key to the surface height calculation of pulse GTAW welding pool based on shape from shading (SFS) is to build up a surface model of welding pool. 利用从阴影恢复形状方法计算熔池表面高度的关键是建立熔池表面反射模型。
- The road curved suddenly to the left. 那条路突然向左转弯。
- Some albedo parameterizations of SZA dependence were evaluated in a simple land surface model BATS using in situ data over Gobi and Desert. 在陆面过程模式BATS中引入考虑太阳天顶角变化的裸土反照率参数化以改善沙漠、戈壁地表的辐射和热状况模拟,并与观测资料进行了对比。