non-uniform surface 中文意思是什麼

non-uniform surface 解釋
不均勻表面
  • non : adv 〈拉丁語〉非，不是 （＝not）。 non assumpsit 【法律】被告否認契約的答辯。 non compos mentis ...
  • uniform : adj 1 （形狀、性質等）一樣的，同一的；一致的；相同的。2 一貫不變的；始終如一的。3 規格一致的，均...
  • surface : n 1 表面；地面；水面；廣場，空地。2 外觀，外表，皮毛。3 【幾】面；切口；【航空】翼面。adj 表面的...
  1. Solder bar is made from high purity metal. by means of strict qualitg control the oxide and metallic and non - metallic impnrities and effectively minimized, the available high purity solder bar is with uniform and glazed surface good wetting and spreading ability after molten bright joint and minimum oxide residue after soldering. our product is suitable for wave and handwork soldering with high quality requirement

    本公司生產焊錫條採用高純度金屬原料，在嚴格品管條件下，有效控制氧化程度以及金屬和非金屬雜質含量，焊錫條表面均勻光滑，純度極高，熔化后流動性好，潤濕性極佳，焊點光亮，氧化渣物極少發生，適用於高品質要求的各種波峰焊和手工焊。
  2. Then this dissertation implements most of algorithm of non - uniform b - spline surface such as positive calculation, reverse calculation, knot interposer etc. based on the g0, g1 continuous conditions of uniform bicubic b - spline surface, the paper deduces the g0, g1 continuous conditions in the surface reverse calculation then implements it for each face. the last step is the data exporting

    然後運用非均勻b樣條曲面反算構造插值曲面，研究了雙三次非均勻b樣條曲面反算過程中的g ~ 0 ， g ~ 1連續條件，並根據該條件針對不同的表面給出了相應的連續策略，實現了各曲面間的g ~ 0或g ~ 1連續。
  3. Under error control the electrode non - uniform compensated surface was approximated

    在控制誤差下，逼近補償后的非均勻電板曲面。
  4. So far as the aqueduct with large discharge and lower head is concerned, the non - uniform flow will occur in the aqueduct, when the discharge is enlarged after the water - carrying section being determined based on the design discharge and the given head ; for which the flow condition must be presumed, so as to determine the water surface profile

    摘要大流量低水頭渡槽根據設計流量和給定水頭確定過水斷面后，通過加大流量時，渡槽內就會發生非均勻流，需對這種水流情況進行推算，以確定渡槽在通過加大流量時的水面線。
  5. This process is as follows : firstly, the data of different section contour and of section line have been obtained by reverse - engineering ; secondly, non - uniform b - spline approximation algorithm is used to fit the discrete data ; then the data have been optimized and reduced by adopting adaptive sampling of key points of the fitted curve based on vertical distance, sequently the adaptive sampling data is transformed into the format of the. ibl file of the famous 3 - d design software pro / e. therefore we reconstruct the surface and a model is generated ; lastly, the effectiveness of the adopted algorithm and modeling approach are demonstrated by the experiments

    建模型的過程中，首先運用逆向工程測量方法，獲得曲面物體上不同截面輪廓線的測量數據點列，接著對測量數據點進行平滑處理，用最小二乘法求解基於數據點列的控制多邊形，以非均勻三次b樣條曲線擬合截面輪廓曲線；然後利用基於垂距的數據采樣演算法，對擬合曲線上的數據點進行重新采樣，達到優化數據點的分佈及減少描述曲線數據量的目的。
  6. Several key techniques of carving and milling machine cnc system are deeply studied they include : the transformation, data rebuild and interface design of huge volume nc program produced by cam ; the algorithm of cubic parametric spline pre _ interpolation and high speed real time interpolation in the cnc system, which. will gain a much higher surface precision and cutting speed ; methodology and algorithm of movement velocity acceleration control on a real time forecast _ and _ prejudge basis is designed. therefore, a smooth movement is insured. the shake and noise problem caused by non _ uniform pules for driving stepping or servo motor is solved by an improving algorithm to generate uniform pules

    同時，本文對基於統一的pc平臺的雕銑機數控系統中的幾項關鍵技術進行了深入的研究，包括： cam生成加工程序的傳送、接收、讀取及其加工鏈表的生成和實時重構；對cam生成的離散數據進行三次參數樣條插值和基於累加弦長的三次參數樣條插補控制，保證加工工件表面的精度和光順性；設計具有「前瞻」功能的自動升降速控制方法，保證加工過程的平穩性；通過脈沖均勻化，有效地解決加工過程中因為脈沖不均勻而引起的震動問題。
  7. The main contents include the construction of subdivision surfaces satisfying the constrain of curves interpolation based on catmull - clark subdivision scheme, the interpolated curves are uniform b - spline ; the construction of subdivision surfaces interpolating nurbs curves based on non - uniform rational catmull - clark ( nurcc ) subdivision scheme ; generation of sharp features on subdivision surfaces ; application of subdivision surfaces in the traditional surface design method - skinning

    其內容主要包括：基於catmull - clark細分演算法構造滿足曲線插值約束的細分曲面的方法，被插值曲線為均勻b樣條曲線；基於非均勻有理catmull - clark細分演算法構造能夠插值nurbs曲線的細分曲面的方法；細分曲面上尖銳特徵的生成方法；細分方法在曲面設計的傳統方法?蒙皮法?中的應用等。
  8. First, this paper construct the mathematical model of blade according to the original data point of blade surface with 23 degree nurbs ( non - uniform - rational b - spline ) surface

    首先，本文根據葉片型面原始型值點數據信息，提出了較合理的數學模型，採用23次非均勻有理b樣條擬合葉片型面，成功的擬合了葉片空間型面。
  9. A new method is developed to predict the temperature distribution of cooling - plate with non - uniform heat load on the surfaces, meanwhile, two types of cooling - plate used in the environment control system of airplane are studied experimentally under conditions of different reynolds number of air and surface heat loads

    摘要提出了一種新的冷板簡化數學模型，把翅片摺合成導熱系數?各向異性的等效厚度層實芯板，將冷板與空氣的對流換熱作?等效層的穩態導熱問題，計算了表面熱源非均勻條件下冷板的溫度分佈。
  10. With loe ’ s idea of singular blending, this paper addresses non - uniform algebraic trigonometric ( nuat ) b - spline curve and surface interpolation methods

    本文主要應用loe 』 s的奇異混合思想，研究了非均勻代數三角（ nuat ） b樣條曲線曲面的插值方法
  11. Our production of magnesium hydroxide modified surface treatment products, high purity, particle size uniform dispersion of good, strong affinity, are halogen - free, smoke - free, no drops, non - toxic, the safety of flame retardants, rubber, plastics, rubber, engineering, electrical appliances, wires, cable, cable sheathing, thermoplastic materials, insulators, surge arresters, synthetic textiles, fire retardant paint, ink, paper, conveyors, mine ventilation duct, electronic appliances equipment, tarpaulins, tents, military, aerospace, shipbuilding, automobiles, steel products, such as the glass industry ideal fuel filler - type resistance

    我公司研發生產的改性表面處理氫氧化鎂系列產品，純度高、粒徑均勻、分散性好、親和力強，屬于無鹵、無煙、無滴、無毒性、安全性的阻燃劑，是橡膠、塑料、橡塑、工程塑料、電器、電線、電纜料、電纜護套、熱縮材料、絕緣子、避雷器、化纖紡織、防火塗料、油墨、造紙、運輸帶、煤礦風筒、電子電器器材、蓬布、帳篷、軍事、航空航天、造船、汽車、玻璃鋼製品等各行業理想的填料型阻燃料。
  12. Non - uniform rational b - spline ( nurbs ) basic parameters of the electrode surfaces were extracted, and the electrode surface was adaptively scattered to a mesh in the compensation process of offset

    在偏置補償過程中提取非均勻有理b樣條（ nurbs ）電極曲面的基本參數，對電極曲面進行網格離散。
  13. We have advanced the principle that the sum of the smallest internal angles is the maximum in the part of using the imitated uniformity subdivision method to finish surface reconstruction. we take full advantage of uniform catmull - clark subdivision surface method and non - uniform catmull - clark subdivision surface method, in the chapter using the imitate uniformity subdivision method to finish surface reconstruction

    我們在充分利用均勻catmull - clark細分曲面方法與非均勻catmull - clark細分曲面方法優點的基礎上提出「擬均勻細分曲面方法進行曲面重構」方法，並且提出了最小內角之和最大的原則，作為非均勻細分到均勻細分的過渡的判定準則。
  14. Abstract : attention is focused on the random mathematical model of particle dispersion in non - uniform turbulent fluid. according to the initial condition, the analysis formulas of point source, linear source and surface source are derived. numerical results are easily obtained by combining linear analytical method with nonlinear numerical method, which are compared with the experimental data

    文摘:研究粉塵顆粒隨機擴散數學模型，在非均勻湍流場中，根據初始條件，推導出點源，線源和面源的解析計算式，其數值計算結果與試驗吻合
  15. Attention is focused on the random mathematical model of particle dispersion in non - uniform turbulent fluid. according to the initial condition, the analysis formulas of point source, linear source and surface source are derived. numerical results are easily obtained by combining linear analytical method with nonlinear numerical method, which are compared with the experimental data

    研究粉塵顆粒隨機擴散數學模型，在非均勻湍流場中，根據初始條件，推導出點源，線源和面源的解析計算式，其數值計算結果與試驗吻合
  16. In this thesis, non - uniform rational b - spline, i. e., named nurbs, is used to model ship - hull surface. interpolating, fairing and representing ship - hull surfaces are the most important parts of researching task

    所以，用nurbs技術作為數學工具，對船體曲面進行表達、插值和光順處理是本文的主要研究內容之一。
  17. Since nurbs curves possess stronger ability than uniform b - spline curves in shape representation, we give a method of generating non - uniform subdivision surface modeling by improving nurcc surface proposed by sederberg et al. this method can interpolate predefined nurbs curves based on nurcc surface while maintain nurcc surface ' s basic function of the controllability of the continuous order

    由於nurbs曲線比均勻b樣條曲線具有更為強大的形狀表示能力，浙江大學博士學位論文因此作者通過改造sederberg等提出的非均勻有理catmull一clark曲面（簡稱nurcc ）生成方法，給出了非均勻細分曲面造型新方法
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