scatter point造句
例句與造句
- Based on these , the content of this thesis is to study how to utilize the development method of multi - tier application and advanced management in mrp ii / erp for material management system . the purpose is to make full use of the performance of computer and network , organize the scattered point and settle down the key problem of enterprise
以此為背景，本課題系統(tǒng)結合mrp / erp中先進管理思想采用分布式體系結構實現(xiàn)企業(yè)物流的網(wǎng)絡化管理，從而充分利用計算機和網(wǎng)絡的性能，將企業(yè)分散的經(jīng)營結點組織起來，解決企業(yè)所面臨的關鍵問題。 - Two algorithms for delaunay triangulation from scattered points are suggested , one of which is from points in plane and the other from points in space . the problem of recognizability of 2d manifold is promoted and the relationship is pointed out between such recognizability and the local structure of a scattered point set
提出并論證了兩種計算散亂點集delaunay三角剖分的方法，即平面點集delaunay三角剖分的局部構造算法和空間點集delaunay三角剖分的健壯算法。 - Segmenting shapes from scattered point cloud data is premise of reconstruction model accurately . the segmentation process consists of following steps : coarse segmentation in which surface type of each point is identified , refining segmentation which collects points which belong to one surface and cuts noisy points , compiling partitions in order to get
然后應用移動最小二乘法建立孔洞區(qū)域的隱式曲面方程,在對投影孔洞進行重新采樣后,把新生成的點映射到曲面上,使得最終修補的孔洞曲面同其周圍曲面保持良好的幾何一致性。 - In order to improve the success rate of scattering point search , the neighbors of the reference elements in reference paths were considered while the scattering points were not found on the reference elements , and the single reference path was also doubled to increase the efficiency of ray tracing
摘要針對面元形式的目標數(shù)據(jù)，從提高入射點求解的成功率著手，采用增加對參考路徑上參考面元的相鄰單元進行相交性判斷的方法，并將普通徑跡法的單參考路徑改為雙參考路徑，提高了徑跡法射線追蹤的效率。 - So , the research of cad model reconstruction from scattered point cloud should be carried out urgently . the main key techniques contents of surfaces reconstruction from scattered point cloud data include data pre - processing , such as denoising data 、 filling holes and simplifying data , segmenting data , producing quadrilateral domains , and fitting b - spline surfaces
本文直接以測量獲得的散亂點云數(shù)據(jù)為對象,研究了點云數(shù)據(jù)的幾何特性計算、平滑處理、孔洞修補、數(shù)據(jù)簡化等,在此基礎上,進一步研究了點云數(shù)據(jù)分塊、四邊界區(qū)域劃分及曲面擬合。 - It's difficult to find scatter point in a sentence. 用scatter point造句挺難的
- In recent years , a triangular mesh model from a given point cloud has been sufficiently researched . however , there is the problem of huge data and low quality of triangle mesh . with the development of coordinate measure system , scattered point cloud data which contain more details of the complex shape object , can be obtained conveniently
由于在將點云數(shù)據(jù)轉換成三角網(wǎng)格模型時信息量成倍增加,且后續(xù)處理對網(wǎng)格質量要求較高,因而,研究直接以散亂點云數(shù)據(jù)為對象的數(shù)據(jù)處理與曲面重建技術,對提高逆向工程中測量數(shù)據(jù)的處理能力和建模效率具有重要意義。 - With this approach , the surface model can approximate inner scattered points and interpolate boundary conditions while keeping the global gl continuity . actually , the study on the theory and technology of b - spline surface reconstruction with complicated boundary constraints is an essential and innovative point of this thesis
實際的運行例子表明，基于這種方案創(chuàng)建出來的曲面模型不僅能夠可調節(jié)性地逼近區(qū)域內部的散亂數(shù)據(jù)點，而且同時能夠插值于要求的邊界約束條件，從而保證整個曲面模型的全局g連續(xù)性。 - This paper also analyzed some key problems in 3d triangulation from scattered points . new determining principles for the relationship of point and line in space and for convexo - concave vertices of space polygon is discussed which corrected the previous method and can be applied in space triangle mesh . at the end of this papar , the future research areaes of triangluation from 3d scattered points are demonstrated
本文還分析了三維空間直接三角剖分所要解決的一些關鍵問題，進而提出了空間中點與直線位置關系判別的新方法及空間多邊形頂點凹凸性判別的新方法，修正了以往算法在應用上的局限性，使之能夠適用于復雜網(wǎng)格多邊形邊界。 - This paper discusses the formation algorithm of a terrane with folds . to form a fold with less lean , triangulation from scattered points in space and surface reconstruction are used . to form a fold that has superposition along z - axis , the single - value surfaces that compose the fold should be constructed separately and assembled later
研究了帶有褶曲的巖層面的構造方法，對于傾角不大的褶曲用先進行空間三角剖分，然后重建曲面的方法構造；對于在z方向上有重疊的褶曲先構造出各單值曲面然后組合起來得到。 - Algorithms of curvature estimation and data simplification of scattered point cloud data are studied . local surface curvature properties on scattered - point data are estimated using a parametric quadric surface approximation , and the key step is local base surface parameteration method which resolves parameteration of scattered - point data . an algorithm is presented for simplifying the scattered point cloud data based on curvature restriction
實例表明,本文算法的簡化結果既較好地保留了形狀特征,同時使點的分布以點云密集的強制保留區(qū)為中心,在向附近擴散的過程中逐漸變稀,避免簡化后點云的局部過密或局部過稀的情況。 - Now the method of lever set is wildly used like crystal grows , etc . this paper mainly explains the application in the moving interface aspect of the method , which based on fast tree redistancing for moving interface , including definition of level set method , adaptive mesh ( octatree ) and interpolation of scattering points
水平集方法現(xiàn)已得到廣泛的應用，如晶體增長等。本論文主要闡述了水平集方法在求等距問題方面的應用，即一種基于樹形結構的快速等距面計算方法，包括水平集方法的定義，自適應網(wǎng)格剖分(本論文采用八叉樹的方法)以及離散點的插值。 - Moreover , taking the fatlute model of the covering parts of motorcycle for an example , it discussed the measurement plan method of prototype and the process of data handling . 2 . pretreatment of points cloud according to the characteristic of scattered point cloud data , the issue elaborated in detail points cloud registration , which was based on the shape characteristic matching
論文運用一級模糊綜合評判方法研究了復雜曲面產(chǎn)品的數(shù)字化策略，并以摩托車覆蓋件油泥模型為例，討論了樣件的測量規(guī)劃方法和數(shù)據(jù)的處理流程； 2 、點云數(shù)據(jù)的規(guī)范處理針對散亂點云數(shù)據(jù)的特點，詳細闡述了基于形狀特征匹配的點云對正方法。 - This paper studies target detection algorithms using polarimetric one - dimension range profile . at first by exploiting polarimetric information in different polarization channels , a fused and enhanced one - dimension range profile is obtained by pwf . then we can detect radar target through integration of scatters in different resolution cells or the number of detected scattering points
首先利用不同極化通道的相關性信息,將各個極化通道的一維距離像通過極化白化濾波( pwf ) ,抑制相關雜波,提高信雜比,融合得到一幅改善了的一維距離像,然后通過多個散射中心的能量徑向積累判定目標的有無。 - The traditional 3d modeling methods are based on the volumetric elements , and their complexities are proportional to the volume of object , which is not apt to the huge - volume objects . since the result of a volumetric computation consists of disordered 3d points cloud , some triangulation methods which involve computing the distances between randomly scattered points are necessary to obtain the surface mesh of the object
目前的三維重構大多是基于體素的重構，計算的復雜程度和物體的體積成正比，不適用于體積龐大的物體，而且計算后的得到是物體表面的一系列離散的點，需要進行三角剖分才能夠得到物體表面模型。 - At first , the typical 2d and 3d triangulation algorithm of scattered points is discussed in this paper . then , a space partition strategy with its corresponding data structure and encoding method is proposed by the author in order to improve the triangulating and searching efficiency according to the trend of larger and larger points set
本文在詳細研究和分析了典型平面及空間散亂數(shù)據(jù)三角剖分算法思想后，根據(jù)散亂數(shù)據(jù)點規(guī)模越來越大的趨勢，提出了一種大規(guī)模散亂數(shù)據(jù)的空間劃分方法及相應的數(shù)據(jù)結構和編碼方案，縮小了在剖分時搜尋和遍歷數(shù)據(jù)點的空間范圍，提高了算法效率。