矢量方程 的英文怎麼說

中文拼音 [shǐliángfāngchéng]
矢量方程 英文
vector equation
  • : 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
  • : Ⅰ名詞1 (方形; 方體) square 2 [數學] (乘方) involution; power 3 (方向) direction 4 (方面) ...
  • : 名詞1 (規章; 法式) rule; regulation 2 (進度; 程序) order; procedure 3 (路途; 一段路) journe...
  1. The procedure functions in the compare between partial image of dynamic collection and corresponding image of the airscape. in chapter 5, basing on the analysis of correlative theory of digital image, we introduce the improved fasted - down algorithm and simulative anneal algorithm, which applies to nn calculation, an d bring forward the unique and effective means, correlative original value evaluation. basing on the combination of correlative arithmetic, a stable, high - speed and exact correlative arithmetic is formed, which makes it possible to apply computer vision detection of single - needle quilting in industrial production

    本文展開研究並取得一定成效:構建了基於pci總線的微機實時圖像採集系統;在採集的布料總圖(鳥瞰圖)的基礎上,通過數字圖像的數字濾波、圖像增強、邊緣檢測等處理,提取布料圖像的邊緣,對輪廓的化的象素點進行搜索,得到相應的圖案圖,從而確定絎縫的加工軌跡,生成加工指令;在進給加工過中,主計算機對動態局部圖像與總圖(鳥瞰圖)的對應部分進行圖像相關的匹配計算,應用數字圖像理論,結合神經網路計算的改進最速下降法和模擬退火演算法,提出獨特而有效的相關迭代初始值賦值法,形成穩定、高速和準確的相關運算,實現單針絎縫視覺測和自動控制。
  2. Analyse the tooth geometry of klingelnberg cyclo - palloid spiral bevel gear., according to the relative position and kinematic relation of the cutter heads, virtual crown gear and the processed wheel blank, established the system of coordinates of the gear cutting, dedcuced the tooth face equation of the virtual crown gear, according to relations of the gear cutting and space theory of engagement, deduced the tooth face equation of klingelnberg cyclo - palloid spiral bevel gear, and drawing the three - dimensional graphs of the virutal crown gear and klingelnberg cyclo - palloid spiral bevel gear according to the design and setting parameters

    對克林貝格擺線齒錐齒輪進行齒面幾何分析。根據銑齒加工中刀盤、搖臺和輪坯的相對位置和相對運動關系建立了切齒嚙合坐標系,由的旋轉推導了產形輪齒面;根據空間嚙合原理和切齒嚙合關系推導了被加工齒輪的齒面;由設計參數和銑齒調整參數計算得到齒面離散數據,繪制了產形輪和擺線齒錐齒輪的三維齒形。
  3. The addition formula of spherical harmonics function of degree n and order 1 is derived using the relations between coordinate varieties after coordinate rotating and the property of the associated legendre polynomial. the relations among the magnetic vector potential, the modified magnetic vector potential and the second - order vector potential ( sovp ) are shown going forward one by one. it is explained that the solutions of electromagnetic fields in different coordinate systems can be transformed and an example having analytical solution is given

    利用坐標旋轉后球坐標變間的關系和連帶勒讓德多項式的性質推導得到了n次1階球諧函數的加法公式;以遞進的式說明磁位、修正磁位與二階位的關系,寫出了引入二階位的過;以時諧場邊值問題為例,闡明了不同坐標系下電磁場解的相互轉化原理,給出了一個解析解的轉化例子;在球坐標下,引入了較球波函數更普遍的兩類函數,給出了其在球面上的正交關系。
  4. Based on the characteristic of architectural ichnography and criterion of architectural design fires prevention, the recognizing identification method and main program based on dxf format is proposed

    在研究了建築工圖表示特點和建築設計防火規范的基礎上,給出了基於建築工圖形文件( dxf文件)的幾何特徵識別法,並給出了識別部分的主要序。
  5. It can give vector of stress, and break factor and direction vector of tensive crack and shearing crack in the special observation planes ( for examples, in a stratal surface which is fluctuant in depth )

    軟體可視化包括:空間應力(大小和向) 、裂縫性態(張裂縫和剪裂縫發育度及其)在特定觀察面(如沿起伏的地層面)上的展示。
  6. Abstract : in this paper , a ray - optics analysis is performed to investigate the asymmetry of dual beam scanning field produced by a rotating polygon. some basic equations of dual beam scan are derived , such as , the position vector for the incident point , the scalar expression for reflected ray , scan pattern on observation plane ect. the far - field asymmetry of the scanning field has been discussed

    文摘:應用幾何光學理論研究了多光束轉鏡掃描場的非對稱性,導出多光束掃描入射點位置、反射線標表達式、觀察面上的掃描軌跡,並研究了掃描遠場的非對稱性。
  7. Using matlab and its add - ons simulink, through establishing simulation maths model, the paper integrates open chain vector equation ( describing motion restriction ), numerical value simulation ( computing velocity and displacement while given acceleration ) and matrix algebra, etc. to accomplish dynamic simulation for the robot and verifies the results for kinematics of the robot using analysis method, and it establishes foundation for following study for the robot such as kinetics, control, etc

    利用matlab及其附加軟體simulink ,通過建立模擬數學模型,綜合開環矢量方程(描述運動約束) 、數值模擬(在加速度已知時計算速度和位移) 、以及矩陣代數等來完成機器人動態模擬,對所研究的機器人運動學分析結果進行驗證,結果基本一致,為機器人的后續研究,如動力學,控制等奠定基礎。
  8. On the part of the design of nine - component thrust vector stand, an automatic hydraulic pressure original position calibration system, a scheme of original position calibration, and the great rigidity universal flexible combinatorial underprop are designed. by using the scheme of “ universal flexible combinatorial underprop plus software digital filter ”, the inherent frequency of test stand is improved, and the problem of test stand libration is solved. then, the resolving method of the disturbance between underprops of the moveable frame is proposed, and the disturbance revise equation is deduced

    在推力試車臺設計面,設計了自動液壓原位校準系統、原位校準案以及大剛度萬向柔性組合支撐;採用「萬向柔性組合支撐+軟體數字濾波」的案,提高了試車臺動架的固有頻率,解決了試車臺動架的振動問題;提出了動架約束互擾問題的解決法,推導了互擾修正;研究了九分力推力誤差分析法,並計算了推力精度。
  9. In this paper, the finite - element numerical analysis calculation is applied to the foundation of high - rise and multi - floor building and the evolvement law of stress and displacement of tunnel used by urban traffic to explore the mutual influence between the wall rock of underground space and high - rise building foundation, taking account of the specific construction situation in the " sanmu garden " project in dadukou district in chongqing, from the perspective of underground space static - force structure stability analysis to open a underground tunnel with 6m in span and 7. 5m in height for track traffic 20m below the surface. this paper, taking considerations of three different states, i. e. the natural state without any artificial interference, the state of high - rise buildings on the surface, and the underground tunnel state with excavation for track traffic, and four plane lines and four vertical lines, analyzes and studies the distributing law of stress and displacement of calculation section from the following aspects : ( 1 ) the main stress vectorgraph, displacement distribution graph ( ux, uy ) and chromatogram graph of stress isoline ( 1, 2, xy ) of section under different states ; ( 2 ) the contrastive distribution curve of stress ( 1, 2, xy ) of different plane and vertical lines under the same state ; ( 3 ) the contrastive distribution curve of stress ( 1, 2, xy ) of the same plane and vertical lines under different states, wishing to provide references for underground space utilization and project designing and construction of the tunnel under high - rise buildings in the future

    本文結合重慶市大渡口區「三木花園」開發建設項目,從地下空間靜力結構穩定性分析角度出發,針對在該項目中涉及的高層和多層建築物以及在其地下20米處開挖了一個用於軌道交通的跨度6米,高7 . 5米的地下隧道這一具體工情況,採用2d - 3d -有限元結構分析序對高層與多層建築物的地基基礎及其與城市軌道交通使用的地下隧道圍巖的應力與位移演變規律進行了有限元數值分析計算,探索了地下空間圍巖與高層或多層建築物地基基礎之間的相互影響,通過考慮未受到任何人為擾動影響的天然狀態、地表存在多層或高層建築物狀態和地下開挖用於軌道交通的地下隧道狀態等三種不同狀態以及4個水平剖線和4個垂直剖線等不同情況,從以下幾個面具體分析研究了計算斷面的應力與位移分佈規律: ( 1 )在各種不同狀態下計算斷面的主應力圖、位移分布圖( ux 、 uy )以及應力等值線色譜圖( _ 1 、 _ 2 、 _ ( xy ) )等; ( 2 )相同狀態下不同水平與垂直剖線的應力_ 1 、 _ 2和_ ( xy )對比分佈曲線; ( 3 )不同狀態下相同水平或垂直剖線的應力_ 1 、 _ 2和_ ( xy )的對比分佈曲線等,為今後在對地下空間的開發利用以及在高層建築物地下開挖硐室時的工設計和工施工提供參考依據。
  10. Acoustic intensity detection can efficiently estimate objective direction, and frequence partition, beam revolving and vector equations can differentiate multi - object

    聲強檢測可以有效地進行目標位估計,利用頻帶劃分、旋轉波束、矢量方程組可以在一定度上有效地解決多目標干擾的問題。
  11. The acceptability our rejection and the depiction of some content in the course " mechanisms and machine theory " is discussed, ( e. g., group dividing, solving steps of the graphical method for vector equation, versions and methods for analytical kinematic analysis, inversion design for linkage mechanisms, crank angle between the two limiting positions, design formulae for cam mechanisms, classification of combined mechanisms, formula of the radius of addendum circle of gear, balancing of machinery, etc. ) and some new opinions are presented

    摘要就《機械原理》課的某些內容(如:拆桿組的法、矢量方程圖解法的解題步驟、運動分析解析法的版本和法、連桿機構的反轉法設計、極位夾角、凸輪機構設計公式、組合機構的分類、齒輪齒頂圓半徑公式、機械的平衡等)的取捨和敘述進行探討,提出一些新的看法。
  12. 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法,運用圓向函數建立代換機構的位移、速度、加速度矢量方程式,求取虛擬連桿桿長和向,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
  13. In this equation, r represents the position of the ball, with r0 being the initial position ; and v represents the velocity of the ball

    為了發現球和球之間或者球與臺子邊框之間的碰撞,我用這條線的矢量方程來描述假定球在假定時間的位置。
  14. A new decoupling control strategy of magnetic suspension forces is put forward using the transformation of variables and reference frames for the proposed bearingless motor

    利用混合式轉子無軸承電機的轉子特點,將磁懸浮力模型轉變為電流空間矢量方程,提出了一種新的磁懸浮力解耦控制法。
  15. And the basic two - dimensional transient state equations for semiconductor device are dispersed and linearized. the matrix - vector form of the basic functions is get. and the solution methods are also discussed

    離散和線性化了二維瞬態半導體基本,並得到了其矩陣-矢量方程形式,同時還討論了其求解的法。
  16. In this paper, according to the equation of voltage vector of single - phase motor operating at symmetrical condition, author presents a new voltage - vector pwm method of variable frequency control for single - phase motor. in system, the voltage vector is used as a control parameter

    本文根據單相電動機對稱運行時的合成電壓矢量方程,提出了以合成電壓為控制的單相電動機電壓式pwm變頻調速控制法,並進行了計算機模擬及製作了單相變頻器。
  17. The hydraulic hitch is the common means that the operator be joined with the prime motor in farm machine. the paper made the hitch ? vector equation and found the solutions by newton iteration method through the strong numerical calculation function of computer. so the analytical solution insteaded the graphic method, the design accuracy and efficiency were acceptable

    本研究推導了懸掛機構的矢量方程,並藉助于計算機強大的數值計算功能,用牛頓迭代法解決了解矢量方程的問題,從而用解析法取代了圖解法設計此類機構,提高了設計精度和效率。
  18. There are several ways of estimating direction of arrival in use of the vector hydrophone : acoustic intensity detection, beam revolving and vector equations

    利用水聽器進行位估計的法主要有聲強檢測、旋轉波束和矢量方程組等。
  19. The vector equations are set up for four loop of one kind of nine - link barranov truss by complex number vector method, and the four equations are changed into complex exponential number form

    摘要使用復數向法對9桿巴氏桁架4個迴路建立幾何關系,列出矢量方程組並轉化成為復指數形式。
  20. Vector equations is one of non - linearity equations, and we can solve it by inherit arithmetic or homotopy arithmetic

    矢量方程組屬于非線性組,可以採用遺傳演算法或同倫演算法進行求解。
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