速度矢量 的英文怎麼說

中文拼音 [shǐliáng]
速度矢量 英文
velocity vector
  • : Ⅰ形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • : Ⅰ名詞1. (箭) arrow 2. (尿) excrement; dung; feces 3. (姓氏) a surname Ⅱ動詞(發誓) vow; swear
  • : 量動1. (度量) measure 2. (估量) estimate; size up
  • 速度 : 1. [物理學] velocity; speed; blast; bat 2. [音樂] tempo3. (快慢的程度) speed; rate; pace; tempo
  1. In this paper a kind of cardio - cerebral arterial bifurcation vessel hemodynamic characteristics are studied with the boundary element method, and the blood flowing velocity vector distributions have been calculated. in addition, the flow field distribution and the pressure on the particle surface are also calculated, when there is flow - round particle at the place of bifurcation, the move tendency of the particle is judged, the possible reasons of causing the atherosclerosis, thrombus, angioma are analysed

    本文用邊界元方法研究了一類典型心腦動脈分支血管中血液流動的流體動力特性,計算了分支血管血液流動的速度矢量分佈,同時計算了分支附近有多個顆粒狀繞流物時血液的流場分佈,及顆粒物所受壓力狀況,給出了顆粒物的運動趨勢,分析了引起粥樣斑塊病變、血瘤、血栓的可能原因
  2. Secondly, this dissertation analyses the action characters of soccer robot, designs kinds of actions in allusion to switchover of attack and defend, puts forward theory of action selection and rules of action selection in order to realize part cooperation which combines court subarea and switchover of attack and defend when soccer robot is under special state thirdly, after considering the characters of obstacles in the robot soccer, we have founded the collision module, to the current questions of obstacle - escaping arithmetic, we put forward the new obstacle - escaping strategy based on the speed vector information which is able to dope out the potential obstacles in the moving path and count out the suitable velocity to escape obstacles by the aid of the geometry transform of obstacle velocity vector the grid implementation arithmetic of path - searching tree is set forth for the convenience the result of simulating competition showed that this way is suitable to the mobile obstacle escaping

    ( 2 )分析了足球機器人動作的特點,針對機器人足球比賽的攻防狀態轉變,進行了各類動作設計;為了使足球機器人在特定狀態下,實現局部的配合,將攻防狀態的變化與球場分區相結合,提出了足球機器人的動作選擇機理和動作選擇的規則。 ( 3 )分析了機器人足球比賽中障礙物的特點,建立了足球機器人碰撞模型。針對目前機器人足球比賽中避障規劃演算法的不足,提出了基於障礙物的速度矢量信廣東工業大學工學博上學應論文息制定的足球機器人避障策略。
  3. Generalized acceleration vector

    廣義加速度矢量
  4. Dsps is used to accurately detect the moving area of multi - moving objects and information of their geometrical position in the system, at the same time, it pick up the parameters of geometrical feature, gray feature and planar velocity of each area, at last, we integrate the techniques of multi - moving objects detection and construct a self - adapted system to track multi - moving objects. the camera is controlled to keep the object in its field of view. therefore we achieve a real time system to track the multi - moving objects in the complex scenes

    本系統利用dsps精確檢測出多運動目標的運動區域及其幾何位置信息,並對各個運動區域進行幾何特徵參數、灰特徵參數和運動參數的提取,最後根據這些特徵參數值結合多目標運動狀態檢測技術構建了多運動目標自適應跟蹤系統,並根據已經計算出的運動目標的速度矢量,通過雲臺裝置控制攝像頭的轉動,使得特定運動目標始終位於攝像機的視野中,從而完成對復雜背景中多個運動目標中特定目標的實時跟蹤。
  5. Diagrams of velocity vectors and streamlines display waveform and amplitude properties, showing the effect of fibres on enhancing the flow stability. the computational results are tested

    Piv測得到流場速度矢量圖及流線圖,擾動波幅與波形特徵說明, re數一定時流動穩定性隨h值增大而提高。
  6. In the paper, based on the method of low pair replacing with high pair, the problem of cam design was transferred to that of linkage design. by means of rotary unit vectors, the equations of displacement, velocity and acceleration of the replacement mechanisms were developed. and then, the virtual linkage ' s length and direction were deduced

    論文基於高副低代原理,將平面凸輪機構設計與再現函數的平面連桿機構設計統一為同一種方法,運用圓向函數建立代換機構的位移、、加速度矢量方程式,求取虛擬連桿桿長和方向,由此展開凸輪理論廓線、實際廓線、曲率半徑和壓力角的求解,並得出用圓形刀具加工凸輪時刀具中心的軌跡方程。
  7. In this paper, based on summarizing previous numerical studies on wave transformations, several works are documented : based on the mass conservation equation and euler ' s equation, the extended form of boussinesq equations is derived by using the velocity at an arbitrary water depth as the independent variable, and several terms are added into governing equations to model the effects of bottom friction, wave breaking and subgrid turbulent mixing

    本文在總結概述前人關于boussinesq方程波浪數學模型研究進展的基礎上,主要做了以下幾點工作:從質守恆方程和euler方程出發,以某一水層處水平速度矢量作為獨立變,推導出包含底摩擦耗能、波浪破碎效應和子網格湍流效應的改進型boussinesq方程。
  8. The input and output state vectors are defined, which are a 6 1 column vector including motion types, the magnitude and spatial orientation, respectively. the state matrices ( sms ) can be deduced by vectors operation, that is, the output state vectors multiplied by the input state vectors

    其中,前者按照輸入輸出端的不同運動類型、速度矢量的大小及方向特徵,以6維形式表示;而後者作為輸入、輸出特徵之間的紐帶,描述了基本變換單元的功能與特徵。
  9. Thirdly, geometry modeling of the pump was made and meshes were divided with gimbit, then the flow filed was investigated using flunt, a commercial available cfd code. as result, lots of internal flow filed of outlet of the gear pump was obtained, including velocity magnitude and pressure magnitude

    應用pro / e和gambit軟體對機油泵進行幾何建模並劃分網格,應用fluent軟體模擬多種工況下機油泵出口部分的三維湍流流動,得到詳盡的三維湍流場的分析結果,包括壓力分布圖、速度矢量分布圖等。
  10. Note that it does not have the same direction as the velocity vector.

    要注意它的方向與速度矢量的方向不同。
  11. Research result shows : i. the gps data display the tendency of northen of plateau : from south to north, the northward branch becomes small and the ratio between eastward and northward becomes big. from west to east, the eastward becomes big. 2

    青藏高原的gps速度矢量揭示了高原整體向北和向東的運動趨勢:由南向北,向北的運動分逐漸減小,而向東與向北分的比值則逐漸增大;由西向東,向東的運動分逐漸增大。
  12. In this thesis, the basic arithmetic of piv software - cross - correlation arithmetic is introduced in detail, during the data process, through processing the two sequential images by the cross - correlation arithmetic, the vector charts of particles velocity can be obtained, so is the chart of absolute velocity, with velocity decomposed into the radial velocity and axial velocity

    本文對試驗所獲得的連續圖像通過互相關演算法,獲得顆粒速度矢量圖,並將分解為徑向和軸向,對每一小區域內的顆粒按方向不同進行平均,獲得顆粒的平均分佈曲線。
  13. Velocity - vector measuring system

    速度矢量系統
  14. The acoustic radiation resistance matrix is combined with the velocity vector on a vibration surface to predict the total sound power radiated from the structure

    摘要利用聲輻射阻力矩陣和振動面上的速度矢量預報了結構聲輻射的總功率。
  15. In every case, then the vector force equals the product of the mass and vector acceleration.

    因此在所有情況下,力等於質和加速度矢量的乘積。
  16. Compared to piv technology, dpiv technology has the advantages of faster processing and smaller errors. so we made a detailed research of dpiv technology, which mostly includes the principle of velocity mesurement of dpiv, digital image processing, the correction of velocity vectors, the construction of flow field and so on

    與piv技術相比, dpiv技術具有處理快、計算誤差小等優點,因此本文詳細研究了dpiv技術,主要包括dpiv的測原理、數字圖像的處理、速度矢量的校正以及場的重建等。
  17. Generalized velocity vector

    廣義速度矢量
  18. In the paper, the computational results of all models are obtained, including 3 - d velocity field, 3 - d pressure field, and six aerodynamic coefficients. the results have good agreement with wind tunnel test

    文中得出了客車外圍流場的速度矢量圖和壓力分布圖以及六個氣動力系數,並將最終結果與風洞試驗結果進行了比較,結果吻合較好。
  19. The absolute velocity was decomposed based on the law of velocity triangle, the absolute tangential velocity, the relative velocity and the relative tangential velocity were presented in this paper

    在測得轉輪內部的絕對速度矢量后,按三角形原理進行分解,得到了絕對切向分、相對及相對切向分
  20. In addition, aerodynamic stiffness and aerodynamic damping on the system are already obtained in the condition of fluid - structure interaction. it is known that aerodynamic loads are associated with blade vibration. the systematic eigenvalues are used to judge whether the flutter occurs so as to find the stable operating range of a wind turbine

    本文把風力機葉片簡化為懸臂梁,對梁截面的二維葉型建模,完整推導了二維葉型的線性運動微分方程和流構耦合條件下系統的氣動剛和氣動阻尼,此時氣動載荷與結構的位移以及速度矢量是相互耦合的,再利用系統的特徵值來判斷葉片顫振是否發生,從而獲得風機的穩定工作范圍。
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