量角網格 的英文怎麼說
中文拼音 [liángjiǎowǎnggé]
量角網格
英文
angle measuring grid-
We are pleasure to introduce ourselves as a manufacturer and exporter of all kinds of wire mesh. we mainly produce galvanized and pvc coated welded wire mesh, hex. wire mesh, glass fibre plain mesh, square wire mesh, rhombus wire mesh ; meanwhile, we also produce stainless steel wire mesh and various of window screening etc. our products are sold well in the world market, you can see our products are of good quality and our prices are the most competitive. one of our principle is that contract is honored, that commerical integrity is maintained
我廠主要生產電焊網六角網方眼網及各種型號和規格的金屬編織網，注冊商標為xinzheng ，產品規格全，質量精良，產品主要銷往美國德國韓國比得時及東南亞一些國家和地區，深受國內外用戶的信賴。我廠一向秉承專業創新務實的承諾，為廣大客戶提供最優質的產品和服務。The paper presents several aspects in partition rectification and visualization of raster image. adopt technology of visualization for scientific calculation, vector diagram of deformation 、 contour chart of deformation and drawing of three - dimensional are realized. delaunay tin in view of deformation feature is constructed on base of selected grid control points and methods and mathematical models for partition rectification are realized based on the delaunay tin. software of geometric rectification for large scales are realized and applied in project
本論文針對柵格影像的變形可視化及分塊糾正展開研究，取得了以下幾方面的研究成果：一、採用科學計算可視化技術，繪制變形矢量圖、變形等值線圖和三維效果圖，實現了柵格影像變形特徵的可視化；二、提出了在格網控制點（ gcp ）數據基礎上選擇性構造顧及變形特徵的delaunay三角網，並基於構造的三角網實現了分塊糾正的方法和數學模型；三、採用vc編制了影像幾何糾正軟體，實現大比例尺掃描地形圖的糾正，並在工程中得到應用。High quality and shape preserving triangular mesh decimation
高質量保形三角網格簡化演算法Because 3d surface model contains huge number of triangles, a mesh simplification algorithm based on triangle edges shrinkages is presented in this paper to speed up the rendering in real time. in chapter four, the cutting of reconstructed 3d models is explored. in order to observe expediently the size and interspaces structure of inner tissues and avoid the discommodiousness of surface reconstruction, a simple cutting methods based on ray - casting algorithm is presented to get the inner images information
第三章主要對marchingcubes （ mc ）表面重建演算法進行描述， mc演算法是基於規則體數據抽取等值面的經典演算法，本文實現了這種等值面構建表面模型的演算法，並對其演算法的二義性進行了相應的處理；針對其重建速度較慢的問題，提出了體素間相關性處理的方法來加快重建速度；並對其生成的表面幾何模型所包含三角面片數量巨大的問題，提出一種快速有效的三角形邊收縮演算法進行網格簡化，提高了表面模型的繪制速度。Geometric modelling : algorithms and new trends, g. farin ed., siam, philadelphia, 1987, pp. 235 - 246. 20 loop c. smooth spline surfaces over irregular meshes
3構造擬插值曲面，它覆蓋四邊或三角域上的曲線網格並部分插值于其上法向量。Moreover, we proposed a region - growing surface reconstruction algorithm. the filtering of the candidate triangles was improved a lot by constructing an influence region during the incrementally region - growing extraction of the surfaces. the construction of the influence region also contributes to make sure that the surfaces are geometrically and topologically correct
並在此結果基礎上，提出了一種區域增長式的曲面重塑演算法，它通過構造影響域提高了增量式區域增長抽取網格曲面過程中最優三角片的篩選效率，也確保了重塑曲面在幾何和拓撲上的正確性。Interpolation of user - provided vectors provides a smooth vector field capable of being used to guide the change of directions and scales in texture synthesis
根據用戶在此三角網格上指定表示紋理方向和大小的矢量來插值生成矢量場，用以控制合成紋理的變化。The regular script sharp gauze production factory attendance “ township of the chinese silk screen ”, this factory manager the time is engaged in the gauze and silk screen ' s production and the sale, my factory product specification is complete, quality excellent, including : the stainless steel mesh, the ectrowelding net, the heavy hexagonal network, the ore strainer, the metal net, the round hole net, the security net, the copper screen, the steel plate lattice - work, the ginning network, the safety net, cancel the flowered net, the extra wide net, the window screening, the guard rail net, the road guard rail, the railroad guard rail, the airport guard rail, the factory railing, the garden guard rail, the black cloth and silk, to breed the cage to have, the plastic even net, the galvanization silk and so on each kind of silk screen, widely uses in professions and so on petroleum, chemical industry, building, spinning and weaving, medicine, aviation, astronautics
楷銳金屬絲網製品廠地處「中國絲網之鄉」 ，本廠長期從事金屬絲網及絲網的生產和銷售，我廠產品規格齊全，質量精良，主要有：不銹鋼網、電焊網、重型六角網、礦篩網、金屬網片、圓孔網、防盜網、銅網、鋼板網、軋花網、安全網、勾花網、寬幅網、窗紗、護欄網、公路護欄、鐵路護欄、機場護欄、工廠圍欄、花園護欄、黑絲布、養殖籠具、塑料平網、鍍鋅絲等各種絲網，廣泛用於石油、化工、建築、紡織、醫藥、航空、航天等行業。In this paper, a model of debris flow is calculated by using the finite nodes method with triangle cells. the method is combined with fdm and fem. vast applications proved that it can suit for complex boundary as fem and is efficient as fdm
這種方法將有限元的思想與有限差分的方法結合起來，吸收了有限元方法中三角網格模擬邊界條件符合實際情況的優點，又具有差分方法計算量小的特點，方法的適用性經過了大量工程實踐的檢驗。Though the rational fractions based on one - variable ( vector valued ) continued fractions have been used in other engineering fields, its application in the field of digital image processing has n ' t yet been reported in the literature so far. 2
基於一元（向量）連分式形式的有理分式已應用於其它工程領域，但基於矩形網格和三角網格上的混合有理插值在數字圖像處理領域目前還沒看到這方面的報道。Based on tree data structure, the cartesian grids about 2 - d and 3 - d configurations are generated using the surface - cutting procedure. in the course of grid generation, a two - step ray - casting algorithm to excluded cells inside the body and a cell - merging technique to avoid numerical instability are fully developed. after creating these surrounding grids, the cell - cutting algorithm is designed to perform geometry - based refinement of grids, and greatly improve the applicability and quality of grid generation
採用物面切割，基於叉樹數據結構，發展了一種普遍適用於二維和三維外形的直角切割網格生成方法；構造兩步射線求交演算法，刪除外形內的固體網格，以及小網格合併演算法，確保網格質量和流場計算的穩定性；運用對任意網格的切割細分演算法，實現了針對幾何外形的自適應網格加密，使得網格生成更具普適性和靈活性。We are hebei anping xinzheng woven - welded wire mesh factory, we mainly produce all kinds of metal woven mesh such as welded mesh, hexagonal mesh and square mesh etc. the specifications is complete and the quality is super. the registered brand " hanzhi " has a high reputation in the circles of wire and mesh. our goods are well sold on the overseas markets such as america, german, south korea and more than 20 other countries and districts
我廠主要生產電焊網六角網方眼網及各種型號和規格的金屬編織網，注冊商標為焊織牌，產品規格全，質量精良，產品主要銷往美國德國韓國比得時及東南亞一些國家和地區，深受國內外用戶的信賴。Thirdly, it utilizes line tracking and douglas - peucker line - simplification algorithm to realize the raster - to - vector conversion. a triangulated irregular network ( tin ) is constructed based on vector data, and dem point - array data is computed by interpolating grid on tin
第三，使用輪廓線跟蹤演算法和dpl多邊形近似方法實現等高線數據的矢量轉換;並基於等高線矢量數據建立不規則三角網，再內插格網生成dem點陣數據。The model of fpsa ( inter - phase slip algorithm ) provided in phofvmcs, the software used in computational fluid dynamics, which solves the navier - stokes equations of each phase with the interphase interactions between two phase of water and air, including the interphase drag forces, interphase lift forces, interphase pressure and virtual mass forces, is employed with the difference scheme of upwind and the orthonormal grid
計算採用由phoenics （計算流體力學軟體）的ipsa （相間滑移演算法）模型，應用upwind （迎風）格式和直角坐標網格。 ipsa模型對每一相求解n - s方程，並考慮水-氣體兩相間的相間互互作用，包括相間阻力、相間升力、相間壓力和虛質量力。Based on the analysis of image wavelet transformation and the space / frequency distributing characteristics of different subbands " coefficients, this dissertation fully exploits the following theories and methods : scalar quantization, vector quantization, trellis coded quantization, trellis coded vector quantization, vector classification, codebook expansion and weighted mean square error rule basing mankind visual characteristics, etc. from different angles of information amalgamation, it develops several innovative algorithms of image compression and coding, gives their realization schemes, and makes plentiful simulation tests
本文在分析了圖像小波變換的原理和子帶系數空間及頻率分佈特點的基礎上，充分利用標量量化、矢量量化、網格編碼量化、網格編碼矢量量化、矢量分類、碼書擴展和基於人眼視覺特性的加權均方誤差準則等思想和方法，從信息融合的不同角度展開了對小波圖像的壓縮編碼研究，同時也討論了這些方法在靜止圖像量化中的具體應用。The conception of the object - space separating modeling technique based on the triangular grids is introduced, and simplification calculation of the points of intersection between semi - finished material and cutting scanning body brings forward, which reduces calculation quantities in simulation, increases the speed of simulation and optimizes the effect of simulation
重點介紹了基於三角網格的物體空間離散建模概念，提出了刀具和毛坯求交計算的優化方法。建模方法和求交演算法的優化減小了模擬過程中的計算量，提高了模擬的速度，優化了模擬的效果。Triangle mesh models have been established as the most general and flexible schemes to represent complex surface models in the area of reverse engineering ( re ), rapid prototyping manufacturing ( rpm ), numerical control ( nc ) programming, 3d animation, etc. but the models reconstructed from real - world data may contain unavoidable noise and many narrow triangles, so the models must be optimized and modulated under given tolerances
三角網格模型是逆向工程、快速原型製造、數控加工編程、三維動畫等技術中常用的模型表示方法，模型的質量直接影響到產品的質量，尤其在逆向工程中，直接通過測量數據得到高質量的網格模型幾乎是不可能的。因為，測量數據中不可避免地存在各種噪聲和擾動，因此在滿足幾何精度要求的前提下，對網格模型進行優化調整，以提高模型質量就十分必要。In view of above problems, this article studies the key technology of mass data processing system, and design a system framework point to the triangle mesh data, which is made up of millions series of triangles. this framework resolves the problem that a computer could not read all the mass data into its storage and process them through data block partion, and also reduces the space that mass data occupies in hd by data compression
針對以上問題，本文研究了海量數據處理系統的關鍵技術，針對由百萬級數量的三角形構成的三角網格數據，設計了一個系統框架，通過數據分塊解決計算機不能把海量數據全部讀入內存進行處理的問題，通過數據壓縮解決海量數據佔用大量硬盤空間的問題。The quality of reconstructed surfaces is related to many factors, such as quality of original data and surface fitting strategy, surface post - processing, and so on. in this thesis, the relative techniques of high quality surface reconstruction and surface interrogation based on triangular mesh are studied in depth. the main contents are as follows : ( 1 ) typical mesh smoothing schemes are analyzed
本文對基於三角網格模型的高質量工程曲面重建及曲面光順性分析的相關問題進行了研究，主要內容包括: （ 1 ）在對現有幾種常用的三角網格模型光順演算法進行分析比較的基礎上，結合圖像處理中的kuwahara濾波以及雙邊濾波思想，提出了基於法矢修正的三角網格模型光順演算法。But the triangle mesh data measured is massive, and usually up to millions even ten millions of triangular patches, and this occupies too much storage and hd space of computer
然而測量得到的三角網格數據是海量的，經常達到百萬甚至上千萬個三角面片，大量佔用計算機的內存及硬盤資源。分享友人