scattering 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(jié)合mrp / erp中先進(jìn)管理思想采用分布式體系結(jié)構(gòu)實(shí)現(xiàn)企業(yè)物流的網(wǎng)絡(luò)化管理，從而充分利用計(jì)算機(jī)和網(wǎng)絡(luò)的性能，將企業(yè)分散的經(jīng)營(yíng)結(jié)點(diǎn)組織起來(lái)，解決企業(yè)所面臨的關(guān)鍵問(wèn)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(jì)算散亂點(diǎn)集delaunay三角剖分的方法，即平面點(diǎn)集delaunay三角剖分的局部構(gòu)造算法和空間點(diǎn)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(yīng)用移動(dòng)最小二乘法建立孔洞區(qū)域的隱式曲面方程,在對(duì)投影孔洞進(jìn)行重新采樣后,把新生成的點(diǎn)映射到曲面上,使得最終修補(bǔ)的孔洞曲面同其周?chē)姹３至己玫膸缀我恢滦浴? - 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(duì)面元形式的目標(biāo)數(shù)據(jù)，從提高入射點(diǎn)求解的成功率著手，采用增加對(duì)參考路徑上參考面元的相鄰單元進(jìn)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(xiàn)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(cè)量獲得的散亂點(diǎn)云數(shù)據(jù)為對(duì)象,研究了點(diǎn)云數(shù)據(jù)的幾何特性計(jì)算、平滑處理、孔洞修補(bǔ)、數(shù)據(jù)簡(jiǎn)化等,在此基礎(chǔ)上,進(jìn)一步研究了點(diǎn)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 scattering point in a sentence. 用scattering 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(diǎn)云數(shù)據(jù)轉(zhuǎn)換成三角網(wǎng)格模型時(shí)信息量成倍增加,且后續(xù)處理對(duì)網(wǎng)格質(zhì)量要求較高,因而,研究直接以散亂點(diǎn)云數(shù)據(jù)為對(duì)象的數(shù)據(jù)處理與曲面重建技術(shù),對(duì)提高逆向工程中測(cè)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(shí)際的運(yùn)行例子表明，基于這種方案創(chuàng)建出來(lái)的曲面模型不僅能夠可調(diào)節(jié)性地逼近區(qū)域內(nèi)部的散亂數(shù)據(jù)點(diǎn)，而且同時(shí)能夠插值于要求的邊界約束條件，從而保證整個(gè)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(guān)鍵問(wèn)題，進(jìn)而提出了空間中點(diǎn)與直線(xiàn)位置關(guān)系判別的新方法及空間多邊形頂點(diǎn)凹凸性判別的新方法，修正了以往算法在應(yīng)用上的局限性，使之能夠適用于復(fù)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(gòu)造方法，對(duì)于傾角不大的褶曲用先進(jìn)行空間三角剖分，然后重建曲面的方法構(gòu)造；對(duì)于在z方向上有重疊的褶曲先構(gòu)造出各單值曲面然后組合起來(lái)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(shí)例表明,本文算法的簡(jiǎn)化結(jié)果既較好地保留了形狀特征,同時(shí)使點(diǎn)的分布以點(diǎn)云密集的強(qiáng)制保留區(qū)為中心,在向附近擴(kuò)散的過(guò)程中逐漸變稀,避免簡(jiǎn)化后點(diǎn)云的局部過(guò)密或局部過(guò)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(yīng)用，如晶體增長(zhǎng)等。本論文主要闡述了水平集方法在求等距問(wèn)題方面的應(yīng)用，即一種基于樹(shù)形結(jié)構(gòu)的快速等距面計(jì)算方法，包括水平集方法的定義，自適應(yīng)網(wǎng)格剖分(本論文采用八叉樹(shù)的方法)以及離散點(diǎn)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(yùn)用一級(jí)模糊綜合評(píng)判方法研究了復(fù)雜曲面產(chǎn)品的數(shù)字化策略，并以摩托車(chē)覆蓋件油泥模型為例，討論了樣件的測(cè)量規(guī)劃方法和數(shù)據(jù)的處理流程； 2 、點(diǎn)云數(shù)據(jù)的規(guī)范處理針對(duì)散亂點(diǎn)云數(shù)據(jù)的特點(diǎn)，詳細(xì)闡述了基于形狀特征匹配的點(diǎn)云對(duì)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(guān)性信息,將各個(gè)極化通道的一維距離像通過(guò)極化白化濾波( pwf ) ,抑制相關(guān)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(guò)多個(gè)散射中心的能量徑向積累判定目標(biāo)的有無(wú)。 - 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(gòu)大多是基于體素的重構(gòu)，計(jì)算的復(fù)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(jì)算后的得到是物體表面的一系列離散的點(diǎn)，需要進(jìn)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(xì)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(diǎn)規(guī)模越來(lái)越大的趨勢(shì)，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(yīng)的數(shù)據(jù)結(jié)構(gòu)和編碼方案，縮小了在剖分時(shí)搜尋和遍歷數(shù)據(jù)點(diǎn)的空間范圍，提高了算法效率。