頂點速度 的英文怎麼說

中文拼音 [dǐngdiǎnsùdù]
頂點速度 英文
speed over the top
  • 頂 : i 名詞（人體或物體的最上部） crown; peak; top Ⅱ動詞1 （用頭支承） carry on the head 2 （從下面拱...
  • 點 : Ⅰ名詞1 （液體的小滴） drop （of liquid） 2 （細小的痕跡） spot; dot; speck 3 （漢字的筆畫「、」）...
  • 速 : Ⅰ形容詞（迅速; 快） fast; rapid; quick; speedy Ⅱ名詞1 （速度） speed; velocity 2 （姓氏） a surna...
  • 度 : 度動詞[書面語] （推測; 估計） surmise; estimate
  • 頂點 : apex; zenith; acme; vertex; corner; tip top; pinnacle; acnode; perfoot; top; grand climax; full; ...
  • 速度 : 1. [物理學] velocity; speed; blast; bat 2. [音樂] tempo3. （快慢的程度） speed; rate; pace; tempo
  1. A new model of distribution system is presented, whereby, the feeder switches are regarded as the vertcxes of a graph and the feeder lines are regarded as the arcs. the method to model distribution networks by adjacent table is put forward. therefore, storage size is reduced and calculation is speeded up

    建立了配電網的簡化模型，即將饋線開關當作圖的頂點、將饋線當作弧，採用等長鄰接表的數據結構來描述配電網，大大減少了佔用空間和提高了查詢速度，並建立了基於等長鄰接表的配電網路拓撲演算法。
  2. The equipment is made up of oil pump set ( driven by gasoline engine 、 electric motor or manpower ) 、 3 - stage telescopic jack 、 horizontal displacement set 、 rescue riggings etc. according to the railway accident, the equipment can rerailing the derailed wagon 、 overturn them out of demarcation or horizontal displace them out of demarcation. the equipment has the characteristics of rapid rate 、 easy operation and high reliability etc. the equipment is suit for railway rescue team to deal with complex derailing accidents and it ' s an efficient implement for improve rescue ability of railway rescue team

    該機具由泵站（手動或機動） 、三級千斤頂頂升裝置、橫移裝置、臺車索具等組成，根據現場事故情況，可選擇將事故車起復復軌、整體翻出限界、整體移出限界，具有省時速度快、操作簡便、安全可靠等特點，適合救援隊處理較復雜的車輛脫線事故，是提高救援隊能力的一種有效工具。
  3. Institute of computer science, the hebrew university, 1999. 13 ofek e, rappoport a. interactive reflections on curved objects. in computer graphics siggraph 98 proceedings, orlando, fl, usa, 1998, pp. 333 - 342

    因為虛物體上所有頂點的計算過程實際上是一個simd single instruction multiple data的并行處理過程，我們利用可編程圖形處理單元gpu graphics process unit的并行計算能力來提高計算速度。
  4. The preparations, drilling rig adjustment, pile distribution control, mixing verticality control, elevation measurement, elevation control of pile top and column bottom, curing agent choice and control of mixing speed and blending quantity, must be done well for strengthening soft soil foundation by mixing cement with soil in construction

    在實踐中要做到6點： 1 ）調整好鉆機； 2 ）控制好柱的分佈位里與攪拌軸的垂直度； 3 ）測量好高程； 4 ）控制好樁頂、柱底高程； 5 ）選擇好固化劑； 6 ）控制好攪拌速度和摻加量。
  5. At first, the propagation and influence of stress wave on the top of the pipe pile were discussed in the paper and a formula was obtained about the time difference between two initial signals which were received from two different points

    本文首先研究了應力波在管樁頂面的傳播及其影響，並提出了計算不同點激勵速度峰值時間差的關系式。
  6. ( 三 ) under the dynamic load of the explosion, the numeric analysis has been done and achieve the rule as follow : ( 1 ) when the frequency of vibration is 0. 3hz, the acceleration of the slopes top gets the maximum ; so 0. 3hz is believed the natural frequency of the slope as a whole ; ( 2 ) the vibration of explosion can been magnified because of the condition of the landform, when the relative altitude is up to 45m, the acceleration of horizon gets the maximum ; when the relative altitude is up to 100m, the absolute value of acceleration and the deformation of horizon is larger than that in the bottom of the slope ; ( 3 ) in the period of forced vibration, at the top of the slope, the acceleration of horizon become larger and larger ; at the middle part of the slope, it becomes smaller ; ( 4 ) when the explosion velocity of is much little, the shallow part destruction is the primary deformation of the slope

    （三）採用模態疊加法針對爆破動力作用，進行邊坡的動力響應分析，得出了以下結論： （ 1 ）振動頻率為0 . 3hz時，坡面頂部水平向加速度峰值最大；綜合考慮，可認為該邊坡的自振頻率為0 . 3hz左右； （ 2 ）地形對爆破地振動存在放大作用，研究剖面的坡面，水平向加速度及位移在地形相對高差45米左右最大，而後隨相對高差的增高而減小，相對高差為100米時，水平向位移及加速度絕對值均大於坡腳； （ 3 ）強迫振動段，水平向加速度值隨時間變化的規律為：坡頂節點總的變化趨勢是越來越大，而坡體中部節點的變化趨勢是越來越小； （ 4 ）當爆破振速較小時，變形破壞的形式表現為坡頂表面滑塌型。
  7. After an option has been advancing for some and had a sharp advance, closing strong or near the high level, if on the following day the range is very narrow, it is an indication that a culmination is near and your stop loss order should be moved up 1 ? under the bottom of the narrow day

    行情在上漲一段時間並且已經急速拉升后，收盤強勁或收在高級水平附近，如果在下一天行情波動幅度非常狹窄，那就預示市場接近頂點，你的止損應該上移到短期底部下面的1美分處。
  8. After an option has been advancing for some time and had a sharp advance, closing strong or near the high level, if on the following day the range is very narrow, it is an indication that a culmination is near and your stop loss order should be moved up 1 under the bottom of the narrow day

    行情在上漲一段時間並且已經急速拉升后，收盤強勁或收在高級水平附近，如果在下一天行情波動幅度非常狹窄，那就預示市場接近頂點，你的止損應該上移到短期底部下面的1美分處。
  9. Study the kadang movement of this mechanism. analyze the distributing rule of velocity and velocity instantaneous, and also study the relationship between comers and the relationship between corners and position when the mechanism turning

    研究了該機構的卡當運動，分析了運動過程中的速度和速度瞬心的分佈規律，並分析了卡當運動過程中各轉角間及轉角與頂點位置間的相互關系。
  10. This chapter optimized the algorithm provided by michael garland and paul s. heckbert based on edge contraction, and the improved algorithm can produce better approximation. a new method provided to simplify triangulated model with appearance attributes, and optimized the method to reduce the complexity in chapter 3. the dissertation advances a new concept : density of meshes, and study the applications of density of meshes in discrete multi - resolution and continuous multi - resolution

    第二章介紹了garland等提出的基於頂點對折疊的簡化演算法，指出了該演算法的一個缺陷並給出了解決方法；將garland的演算法應用到了具有一定屬性的面片上，分析擴展之後演算法的計算復雜度，提出了決解復雜度的方法；第三章節給出了一種新的自動遞進網格演算法，可以實現無二義性，快速恢復等功能；此節提出了一個新的概念：網格密度。
  11. Based on the solutions proposed herein, the longitudinal vibration properties of an integral pile in a uniform soil or layered soil, a pile with variable sections or variable modulus in a uniform soil are discussed respectively. the influence on the curves of complex stiffness, mobility and reflection wave of pile caused by soil modulus, the degree of pile defects, and the length and location of pile defects are emphatically discussed. 3

    利用所得解分別對均質土中完整樁、成層土中完整樁、均質土中變截面樁和均質土中變模量樁的縱向振動特性進行了分析，重點討論了土層模量變化、樁身缺陷程度、缺陷段位置、缺陷段長度等因素對樁頂復剛度、速度導納和反射波曲線的影響。
  12. Vertex shader is that part of the graphics pipeline which gives the user the power to do his own custom transformation and lighting without sacrificing any speed

    頂點著色是圖形管道的一個部分，其提供給程序員在不損失任何速度性能的情況下，自定義變換與光照處理。
  13. In this paper, i will present some algorithms of polyhedral visual hull reconstruction : ( 1 ) polyhedral v isual h ull generation a igorithm b ased one dge - pool - searching, which constrains the 3 - d intersections into the 2 - d planes intersection via the epipolar theory to reduce the complexity a nd c an r educe t he t imes f or c ones t o b e p rejected o nto t he i mage p lanes, i n which we induced the index list to every points on the surface of object, and connected the related points to get sub polygons on surface and in turn get the mesh model, we replace triangulation process of disordered points cloud by edge - pool searching. ; ( 2 ) reconstruction based on degenerated - polygon - intersection, which have the following improvements on traditional bull intersection : using degenerated polygon to orga nize intersected area on cone face, which may be discontinuous ; a fast intersection algorithm of polygons on the cone face based on degenerated polygons, which is consistent between the continuous polygons and the discontinuous ones. the intersection of degenerated polygons is similar to the convergence of two ordered lists, which is comparably simple to the bull operation ; ( 3 ) reconstruction algorithm based on ray - tracing, in which all the rays that run through the vertex on silhouette of object will intersect with all the cones correspondent to other silhouette, and we have to calculate the intersection of all such line segments, the endpoints of which are considered to lie on the surface of object and we will get the point cloud on the surface of object

    同時利用共極線原理把三維計算投影到二維平面以降低求交計算的復雜度，該演算法可以減少光錐向圖像平面投影計算的次數，以邊池搜索取代散亂點集上進行的三角剖分； （ 2 ）基於退化多邊形求交的多面體可見殼模型重構，系統引入退化多邊形的概念，把錐體平面的交集中不連通的部分用一個退化多邊形來表示，並引入了新的基於退化多邊形的求交演算法，與傳統多面體可見殼重構相比，該演算法有以下幾點創新：在圖像平面以退化多邊形組織投影錐體和物體輪廓的交集，把任意錐面與物體輪廓的交集歸一到一個退化多邊形；基於退化多邊形的二維平面上多邊形快速相交演算法，該演算法在一定程度上就是兩個有序鏈表的合併，大大簡化了先前的布爾求交計算； （ 3 ）基於光線跟蹤的演算法，該演算法中所有通過輪廓頂點的光線和對應其它圖像輪廓的光錐進行求交計算，最後得到每次求交計算得到線段的交集，該線段的頂點就認為是物體表面點，從而得到物體表面的點雲。
  14. This paper mainly discusses the following aspects : the creation method of irregular triangular network from regular grids, fast computing method of vertex normals in tins, the creation method of multiresolution terrain models and method of view - dependent real - time rendering

    本文具體研究內容集中於基於規則格網的不規則三角網生成演算法、不規則三角網頂點法矢量的快速計算方法、多解析度地形模型的構造方法和視點相關的實時繪制方法。
  15. When calculating the cost of edge collapse, we consider the influence of edge length and surface curvature. and, the position of the new vertex is selected from the veytexes of the edge collapsed, this can not only preserve the initial model shape, but also reduce the calculation of cpu and meet real - time rendering of virtual environment

    在折疊邊的代價估計中，均衡考慮了多邊形邊的長度和多邊形表面曲率影響；折疊邊的頂西北工業大學博士學位論文點位置從折疊邊的頂點中選取，既有助於保留了初始模型的形狀，又減少運算量，滿足快速繪制的需求。
  16. 3 ) b - spline surface fitting to contour data is studied. a fitting method of using uniform knot vector is given. using this method, the resulted b - spline s urface not only satisfy the requirements of precision, but also possess fewer c ontrol vertices and good fairness, the computation speed is greatly improved t oo

    3 ）研究了逐層掃描數據的曲面擬合問題，給出了一種是利用統一的節點矢量進行擬合的演算法，用該法得到的b樣條曲面不僅可以滿足精度要求，而且具有較少的控制頂點和較好的光順性，計算速度也有較大的提高。
  17. According to the character of the object, the direct method is implemented to build uniformly rectangle grid, and at the same time, pressure and velocity are collocated at the same grid. in the paper, involved grid elements of fvm are setted : cv ( cell - vertice ) in joint and vc ( vertex - centered ) in volume, and uniform naming regulation of geometrical elements is made

    根據計算對象的特徵，本文採用直接法生成矩形均勻網格，對壓力、速度採用同位配置，並對有限體積網格所涉及的要素進行設置：節點採用格子頂點式，控制體採用vc格式，同時就幾何要素的命名辦法做出統一規定。
  18. With the input of a vibration acceleration history of subway train, a full dynamic analysis of soil - pile - structure is carried out. the propagation of vibration wave on the ground and vibration responses of the huge platform and the storied buildings are analyzed. some conclusions are drawn as follows : ( 1 ) with the increase of the distance to the vibration source, vibration intensity of the ground decreases ; ( 2 ) the vibration intensity of the ground in vertical direction is slightly larger than that in horizontal direction ; ( 3 ) with the increase of the distance to the vibration source, the situation that the vibration intensity of each building in horizontal direction is maximum at highest and lowest story whereas minimum at the middle story changes gradually to that decreasing with the height of building ; ( 4 ) in vertical direction, the vibration velocities and accelerations at the end points of each story of a building are the nominal identical, which indicates that the vertical vibration of them is unanimous ; ( 5 ) the vibration intensity in vertical direction of a building is larger than that in horizontal direction ; ( 6 ) increasing of the elasticity of track is an effective way to abate vibration of ground and buildings

    本文以北京地鐵八王墳車輛段地上超大結構（車輛段大平臺及其上的小區樓房）及其地基基礎為研究對象，在研究和分析有關資料的基礎上，用快速拉格朗日有限差分法軟體flac建立了二維數值分析模型，並以列車振動加速度時程作為模型輸入，進行了地基?樁基礎?地上結構的整體動力學分析，分析了地鐵列車運行產生的振動在地面的傳播規律及其對地上結構的影響，得到了如下結論： （ 1 ）隨著與地鐵線路距離的增大，地面的振動強度有減小的趨勢； （ 2 ）地面豎直方向的振動強度較之水平方向的略大； （ 3 ）隨著與振源距離的增大，在水平方向上，地上各幢樓房的振動強度由底層和頂層的最大、中間層的最小逐漸過渡到沿樓層增高而減小； （ 4 ）在豎直方向上，每幢樓各層端點的振動速度、加速度完全相同，表明樓房各層在豎直方向上的運動狀態一致； （ 5 ）各幢樓房豎直方向的振動強度比水平方向的大； （ 6 ）增加軌道彈性是減輕地面和地上建築振動的有效途徑。
  19. You can use fixed - point vertex data to increase the transforming and lighting speeds of 3d graphics drivers that do not implement transforming and lighting in hardware

    您可以使用定點頂點數據來提高那些未在硬體中實現幾何形變和光效處理的三維圖形驅動程序的幾何形變和光效處理速度。
  20. Secondly, the push - over analysis is for the three - dimensional solid element model and the plane beam element model. the total shearing force - lateral displacement curve can be obtained from it. and then the total shearing force - lateral displacement curve is converted to pseudo acceleration - period curve and some comparisons are made between the pseudo acceleration - period curve and design response spectrum

    然後，建立了有限元三維實體單元模型及平面桿單元模型，對其進行了push - over分析，並將所得的底部剪力一頂點位移曲線轉化為擬加速度一周期曲線，與規范反應譜進行對比，以此評定該體系的抗震能力。
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