散亂性 的英文怎麼說
中文拼音 [sǎnluànxìng]
散亂性
英文
confusion-
Say goodbye to scattered and tangled monitoring code, as ron bodkin shows you how to combine aspectj and jmx for a flexible, modular approach to performance monitoring
隨著ron bodkin介紹如何把aspectj和jmx組合成靈活而且模塊化的性能監視方式,就可以對散亂而糾纏不清的代碼說再見了。As it can be expressed easily by argument equations, we use the conicoid as the criteria of points " classification. based on the point ' s normal and the adjacent field, corresponding to the conicoid equation such as plane, ball and cylinder, we search the points that fit the equation along the adjacent field. using this method, we realized the automatic classification of unorganized points
本文採用了可以比較方便地用參數方程表示的二次曲面作為數據點的分類標準,根據點的法向量以及其鄰域結點的各種屬性,對應于平面、球面、柱面等二次曲面,依據曲面方程的特點,從起始點開始沿鄰域深度優先遞歸尋找符合方程的數據點,實現了散亂數據點的自動分類。Using the normal and neighbor relationship, classification of scattered data points is realized according to the quadric surface. the typical algorithms of surface reconstruction from 3d scattered data points are introduced, and then we discuss the current surface tessellation algorithms about their adaptive range, low efficiency
本文首先對三維散亂數據點重構曲面的典型演算法和現有的曲面網格劃分演算法進行了分類與比較,針對現有的散亂點曲面重建演算法存在的低效率和局限性問題提出了相應的解決方案。The freezing cold temperatures during the morning meditation sessions made one s mind well focused, while the warm sun in the afternoons allowed us to happily enjoy the love of the buddhas land
清晨打禪時冰封的氣溫使人意志集中不致散亂,午後溫暖的陽光使人愉悅地享受佛國的愛力慈悲,是一次靈性三溫暖般的打禪經驗。The river section from tieshu, mengjin, henan province to gaocun, shandong provice, is a wandering section, with the length of 299 km. the section are wide and shallow, the flow state of the section is turbulent with a swing mainflow
黃河下遊河南孟津鐵謝至山東高村299公里游蕩性河段,河道寬淺,河勢散亂,主流搖擺不定,是黃河下遊河道整治的重點和難點。In our country, some scholars have made some achievements in the study on the theory of contracting fault liability, but in general, those
我國學界對締約過失責任的理論研究取得了一些成果,但總的來說,這些成果呈現出分散性與雜亂性的特徵。The shortcomings is that the legislation is scattered, its regulation is not perfect, its content is not complete prohibited law is more than published law, the law pays more attention on behavior legislation than system legislation and so on
我國現行的法律、法規對行政壟斷的規制存在很多問題,尚不足以有效制止行政壟斷,其不足之處主要有立法形式散亂。立法內容疏漏、禁止性規范多於制裁性規范、只注重行為立法而不注重體制立法等。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,基於這種方案創建出來的曲面模型不僅能夠可調節性地逼近區域內部的散亂數據點,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連續性。The dividing process is recorded by octree, and then we make out the rapid adjacent - field searching algorithm using envelopment - box ' s recursion feature. this algorithm can also kick off some noise - points from the data cloud. it make the consequent process of surface reconstruction more convenience and precise
分割過程採用八叉樹來記錄,並利用包圍盒的遞歸特性實現了點的鄰域的快速搜索演算法,同時可以有效地排除噪聲點,顯著減少了密集散亂數據點雲幾何建模所花費的時間,提高了建模效率。A method is used to approximate several differential properties, including mean curvature, guassian curvature and main curvature on scattered - point - sampled surfaces
摘要提出一種直接在散亂數據點雲上計算曲面的局部微分性質,包括平均曲率、高斯曲率和主曲率。The algorithm described here is simple, fast and intuitive, and achieves very good results when reconstructing curves from planar scattered data with different shapes and varying sampling errors
該演算法幾何直觀性強、操作簡單,對平面上具有不同形狀和不均勻采樣誤差的散亂數據都能得到很好的重構效果。Several surface fitting methods are d iscussed. the parametrization of scattered data, the selection of knot vector, th e control of precision and the stability of the methods are analyzed, and the algorithm for b - spline surface fitting to scattered data in specified tolerance i s given
2 )研究了對散亂數據進行b樣條曲面擬合的問題,討論了數種常用的曲面擬合方法,分析了散亂數據的參數化、節點矢量的選取、精度控制、數值穩定性等問題。In chapter 4, based. on the recognizability of 2d manifold, an algorithm is presented for topologic reconstruction from scattered points
第四章提出一種基於二維流形可辨性的散亂數據曲面拓撲重建演算法。For h - d scattered data, local weighted least - squares fitting ( llsf ) methods for approximation and interpolation are respectively put forward and the latter is got by adjusting weight function in the former case, and the interpolating method is also used to construct hyper - surface models with the radial function. the problem of choosing weight function during local least square approximation is discussed and two good weight functions are given : one with a parameter, the other with no parameter. based on them
二、對非規則區域上分佈的h - d數據,提出了散亂數據超曲面擬合的局部最小二乘逼近法。通過對局部最小二乘逼近的權因子作適當的改進,得到了擬合精度較高的局部最小二乘插值法,還用徑向基函數構造了超曲面模型,找到了一種性質好帶參數的權函數以及另一種有著普遍精度性質的不含參數的權函數,獲得了較好的逼近效果。The technique of surface reconstruction from scattered points, for its universality, is very important both theoretically and practically
作為最具普遍性的曲面重建問題,散亂點集曲面重建無論在理論上還是在實用上都有重要意義。The four basic processing operations of 3d triangulation algorithm composed by boundary loop extending, splitting, merging and closing are summarized, the triangulation for any type of surface can be considered as the combination of these four basic processing operations, which makes the algorithm have great adaptability and can deal with scattered data points of diversified surface
通過分析各種曲面的特點,總結出邊界環在空間擴展、分裂、融合和封閉是3d三角劃分演算法的四個基本過程元素,任何類型的曲面的劃分過程均為這些基本過程元素的有機結合,使得演算法具有很強的適應性,能夠方便處理各種類型曲面的散亂數據。8 ) the aas scheme has the property of maintaining the mechanical equation, smoothness controllable, has lifting scheme and easy, fast calculation. 9 ) in the processing of correlation visualization, the voronoi diagram and the delaunay triangulation had been introduced for the first time, and use them as the bases of defining the topology of the scattered load points, calculating the correlation and filling the color
5 )在將節點間的相關性進行三維可視化處理的過程中,首次引入了voronoi圖和delaunay三角形,作為確定散亂加載節點間拓撲關系、計算相關性和根據相關性大小填色的依據,實現了節點間的相關性的三維可視化。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雲數據為對象,研究了點雲數據的幾何特性計算、平滑處理、孔洞修補、數據簡化等,在此基礎上,進一步研究了點雲數據分塊、四邊界區域劃分及曲面擬合。Based upon practical engineering applications, the variant separating - variable algorithms of hyper - surface fitting for arbitrary multivariate scattered data are presented by separating positional variables in a spatial domain from certain physical variables such as time, mach number, angle of attack and so on, followed by their comparison. when compared with existing scatted data interpolation algorithms, the new ones are more effective. a sufficient condition to exchangeable order of separation is obtained and order of continuity on the hyper - surfaces above is discussed
三、以實際工程應用為背景,將具有某種物理意義的量(如時間、 ma數、迎角等)與空間位置變量分開處理,給出任意散亂數據超曲面擬合變量分離的各種演算法,對它們進行了演算法的分析比較,獲得了分離次序可交換性的充分條件,給出了變量分離法構造的超曲面的光滑階。Our study shows that it is a good choice to apply generalized rational parametric curve to interpolate and fit unorganized data, because it provides higher numerical stability by appropriately adjusting the support of basis functions
最後應用廣義有理參數曲線對散亂數據進行插值擬合,它可以通過調整基函數的支撐域來優化方程的系數矩陣,因此提供了更高的數值穩定性。分享友人