換位矩陣 的英文怎麼說

中文拼音 [huànwèijǔzhèn]
換位矩陣 英文
centralizer
  • 換 : 動詞1. （給人東西同時從他那裡取得別的東西） exchange; barter; trade 2. （變換; 更換） change 3. （兌換） exchange; cash
  • 位 : Ⅰ名詞1 （所在或所佔的地方） place; location 2 （職位; 地位） position; post; status 3 （特指皇帝...
  • 矩 : 名詞1. （畫直角或正方形、矩形用的曲尺） carpenter's square; square2. （法度; 規則） rules; regulations 3. [物理學] moment
  • 陣 : Ⅰ名詞1 （作戰隊伍的行列或組合方式） battle array [formation]: 布陣 deploy the troops in battle fo...
  • 換位 : conversion; transposition; replacement; trans-situaition; commutant; change of positions
  • 矩陣 : [數學] matrix; array
  1. For the anticounterfeiting of printings ( such as certificate ), the existent many ways ( such as rainbow holograms ) are not available as the need for special use : anti - distortion and anti - copy. basing in the double - random - phase transform, this article puts forward a new way that two - dimensional bar code is used as anticounterfeiting label with anti - printing ? scanning and anti - damage properties. the major job are : ( 1 ). basing in the ascii codes, numerals and alphabets are encoded and subsequently transformed into two - value bar code matrix figure. later, using amplitude - based double - random - phase transform, the enciphered gray scale figure is formed. by computer simulation ( 4f system ) and printing as well as scanning ( 20 times ), we get the result that the gray scale figure with little miscoding rate ( 0. 0026 ) by “ matrix expanding way ”

    本文主要開展了以下三項研究工作: （ 1 ） .用自定義編碼方案，將數字和字母（ ascii碼）轉換成二值條碼圖;對該圖形進行振幅型雙隨機相位加密變換，得到原信息的加密灰度圖;通過4f光學系統計算機模擬和列印-掃描實驗，證明本文提出的「矩陣擴展法」灰度圖具有較小的誤碼率，對於20次列印-掃描實驗，誤碼率不大於0 . 0026 。
  2. The equations of motion governing the axisymmetric elastic deformation of finite orthotropic cylindrical shells, involving the effect of transverse shear and rotational inertia, are derived. by applying the reverberation method, the displacement and the resultant forces of the shell in the phase space are expressed. then the transient waves in the finite orthotropic cylindrical shell subjected to the axisymmetric impact are obtained by using inverse laplace transforms. furthermore, the transient solutions are decomposed to the generalized ray integrals and computed numerically

    分析了計及剪切變形和轉動慣性的有限長正交異性圓柱殼中彈性瞬態波的傳播問題，採用回傳矩陣法，在相空間中給出了位移和內力的表達式。再利用laplace逆變換，得到正交異性圓柱殼受軸對稱沖擊作用時彈性瞬態波解，然後將其分解為若干廣義射線積分之和，並用數值方法求解之。
  3. The best scheme was chosen after analysis and comparing and the structure was designed. at same time, the kinematics analysis was conducted, coordinate transformation matrix using d - h method was set up, and the kinematics equation direct solution and inverse solution was deduced, the velocity jacobian matrix was constructed using vector product method, and the values of displacement and velocity of some special point including the wrist point were calculated. secondly, the working space of the robot was analyzed and the axes section of practical working space was drawn

    首先，作者針對機器人的設計要求提出了多個方案，對其進行分析比較，選擇其中最優的方案進行了結構設計；同時進行了運動學分析，用d - h方法建立了坐標變換矩陣，推算了運動方程的正、逆解；用矢量積法推導了速度雅可比矩陣，並計算了包括腕點在內的一些點的位移和速度；然後藉助坐標變換矩陣進行工作空間分析，作出了實際工作空間的軸剖面。
  4. A technique of 3 - point positioning of welding seams with structure - light visual sensor is presented. with this technique, arc - welding robots can cope with the location variation of weld seams each time in batched manufacturing. on the base of suitable mathematical description, the localization problem is transformed into determining a displacement transformation matrix

    在此系統中利用機器人結構光視覺三點焊縫定位技術，使弧焊機器人可以適應批量生產中每次焊縫位置的變化，通過適當的數學描述，將焊縫定位問題轉化為確定位姿變換矩陣。
  5. 2. dynamics analysis : by setting up jacon matrix differential coefficient sport is passed to descartes space. it makes terminal executing manipulator produce differential coefficient of acceleration and force in every different coordinates can be got. then the effective inertia, coincident inertia and gravity load of two manipulators are calculated by lagrange method. so generalized joint torque of each joint is got, and along with equivalent driving torque, actual driving torque of each joint can be worked out. 3

    動力學分析：建立雅可比矩陣將關節空間的各關節的微分運動傳遞到笛卡爾空間，使末端執行器位姿產生微分運動，以用於求加速度及力在不同坐標系間的線性變換，再用拉格朗日法計算兩機械手的有效慣量、偶合慣量、重力載荷，從而計算得到各關節的廣義關節力矩，並與等效驅動力矩共同算得各關節的驅動力矩。
  6. In the process, we import the displacement method " s concept of replacement ahead, that is to say, we replace the unknown vectors with new unknown vectors to prevent the delivering and accumulation of errors. at the same time, we completed the skew bridge calculation procedure, and compared the calculation results with the results by the finite element software ansys, it proved the correctness and practicality of this procedure

    在矩陣傳遞的過程中引入位移法中的前進代入的概念，即將未知向量不斷的以新的未知向量替換，以防止誤差的傳遞和積累。本文完成了斜交格子梁橋的內力計算程序，並將計算結果與採用有限元分析軟體ansys分析計算的結果進行了比較，驗證了程序的正確性和實用性。
  7. The main work includes : based on biot ' s dynamic consolidation equations, by the method of integral transform and matrix transfer, two - dimensional consolidation of layered saturated soils is studied. then, the general integral solutions of stress ( including pore pressure ) and displacement ( including fluid flow ) of any point were obtained under harmonic vibration loads according to staunch boundary condition. second, a program to verify the correctness of this dissertation is developed

    主要工作有：本文根據biot平面動力固結方程，運用積分變換和矩陣傳遞的方法，研究了成層飽和地基的二維biot固結問題，根據下邊界為不透水基巖的邊界條件，獲得了地基表面作用簡諧振動荷載時，任意點應力（包括孔壓） 、位移（包括流體流量）的一般積分形式解。
  8. A general stack equation of mobile robot based on analyzing the motion of planar motion object and the mathematical models of four different kinds of common wheels is developed, accordingly, the mobility of mobile robot is addressed and the forward and inverse solutions to speed for specific configuration driven by differential speed are derived. utilizing the muir and newman convention, the description of the posture transformation matrices between different coordinate frames and the solution for the speed of point located on these frames are introduced. according to posture estimation, a more accurate method, dead reckoning algorithm, is developed for a specified configuration characterized by differential speed motorization, and simulations of this algorithm and other traditional methods are carried out using matlab while traversing a circular path

    本文對兩輪差速驅動移動機器人的運動學及其本體緩沖設計進行了探討，在對平面運動物體運動分析的基礎上結合四種常用車輪的數學模型，推導出了一個通用的移動機器人堆積方程，在此基礎上分析了移動機器人的移動能力、並針對兩輪差速構型推導了速度正解與逆解；使用muir和newman的運動學建模方法，推導了移動機器人上點及連桿坐標系位姿、速度變換關系矩陣及求解方法；在移動機器人位姿識別方法中結合差速驅動構型對航位推演算法進行了分析：推導了一種理論精度較高的航位推算演算法，並使用matlab對其與傳統的推算演算法在跟蹤圓弧軌跡情況下進行了模擬；最後針對本文所研究的機器人給出了一種比較系統、可靠的緩沖結構設計思路，較好地解決了移動機器人作業過程中外界因素及本身設計中引入的各種不確定誤差問題；本論文研究成果已在本實驗室所開發的樣機上得到實現，經過應用與考核證明其中的分析與設計是切實可行的。
  9. Better performance are gained when the properties of balance and activity are combined in an attack of reduced variants of rijndael. 7. the optimisations of rijndael sbox, of columnmix and its inverse, and of the round trans formation are thoroughly studied for purpose of better performance

    7 、研究了rijndael演算法s盒、列變換及其逆運算、整個輪變換的優化方法，從運算單位、數據訪問時間和簡化矩陣運算等方面提高演算法的實現效率。
  10. Secondly, i applied the method of matrix analysis to build up mathematic model of swaying platform, and solved the question of motion anti - solution, velocity and acceleration. then i analyzed the dynamics problems of the swaying platform. based on the calculation of the swaying platform ’ s force and moment, built up the dynamics equations of swaying platform by using virtual work principle

    其次，應用矩陣分析和齊次坐標變換建立了搖擺臺的運動學數學模型，從反運動學的角度分析了搖擺臺的位置、速度和加速度的反解方程;分析了搖擺臺的動力學問題，通過對搖擺臺的驅動桿進行附加力和附加力矩計算，並利用達朗貝爾原理和虛功原理，建立了搖擺臺的動力學方程。
  11. Using the theory of conformal transformation, the planar figures of the workspaces are mapped. on the study of the spherical 3 - dof serial mechanism workspaces, we can give the reachable workspace, the atlases of reachable workspaces, the mobile workspace and the atlases of mobile workspace of the spherical 3 - dof parallel mechanism which given geometric parameters. from these atlases, we can see that the mechanical function is better when 1, 2 was given and 1, 2 tend 90

    再次對球面機構的性能進行研究，利用保角變換理論將球面機構工作空間在平面中表示，在分析串聯球面機構可達工作空間的基礎上，得出給定機構參數的並聯球面機構的可達工作空間和可達工作空間面積性能圖譜，得出對應于不同靈活度的靈巧工作空間和靈巧工作空間面積性能圖譜，結論表明，在給定機構參數_ 1 ， _ 2的情況下， _ 1 ， _ 2越是靠近90 ，其可達工作空間和靈巧工作空間面積越大；利用雅可比矩陣對機構進行奇異位形分析，得出幾種特定機構參數的奇異位形。
  12. Compared with currently fire control system, apsse has such characteristic as : highly precision, complex construction, high technique, etc. so this thesis expatiated in detail on the measuring theory of apsse, emphases on the discussion of system error and random error of apsse, deduced the three axis error of apsse usign the coordination transformation methods, provided the applying base for the measuring error equation of apsse. in this paper, we emphases on expatiating the basic theory of usign space coordination transformation in the measuring error equation of apsse

    因此，論文採用了空間坐標變換方法分析機載光電跟蹤測量設備在對目標進行測量、定位時空間坐標轉換關系，推導出從中心地平坐標繫到目標坐標系的變換矩陣，在此基礎上首先建立機載光電跟蹤測量設備的無測量誤差的位置傳遞方程和機載光電跟蹤測量設備的含有測量誤差的位置傳遞方程，為利用蒙特卡洛法分析機載光電跟蹤測量設備的測量誤差奠定了理論基礎。
  13. On such a basisthe commonly used monomial error accumulating totals correction method is introduced. the author proposes a coordinate transformation method to deal with its drawbacks of maths model imperfection, not applicable to lange - angle deviation and adding to the difficulties of equipment. while orientating the order of matrices according to the principle of the accordance between coordinate ' s rotating order and the physical process of device measuring, a strict maths model of the influence of axis system deviation on surveying angles is concluded and the corresponding correction method is induced. its far - reaching meanings are as follow : ( 1 ) the maths model of the influence of axis system deviation on surveying angles established by the new method is concluded after considerations for the three deviations simultaneously. changes under all circumstances are included, so it is theoretically a perfection of maths method

    在此基礎上介紹了國內目前採用的軸系偏差對測量角影響的經典改正方法?單項差累計改正法，並針對該方法存在的數學模型不完善、對大角度偏差不適用、增加設備調整難度等缺陷，提出採用坐標變換方法，並根據坐標的旋轉次序與設備測量的物理過程相符合的原理定位各矩陣的先後順序，推導出了軸系偏差對測量角影響的嚴格數學模型，歸納建立了相應測量角的改正方法。
  14. Some stiffness matrices of special elements such as rubber bearings and components with field are derived from primary - secondary and inverse transform in structural matrix analysis. then, seismic response analytical models and non - isolated continuous rigid frame bridges are set up, while considering the interaction of soil - pile - structure and traveling wave effect simultaneously. finally, the seismic time history response of the two models is calculated by means of the finite element method, and the results show that the isolated bridge posses powerful earthquake resistance

    首先論述了公路大跨徑橋梁的地震反應分析方法，其中包括樁-土-結構相互作用、行波效應等因素對結構物的影響；其次，利用結構矩陣分析中的主從變換和逆步變換，推演了幾個特殊單元的剛度矩陣，包括橡膠隔震層單元和帶剛域構件單元；最後，考慮樁-土-結構相互作用和行波效應的結合，分別建立隔震與非隔震連續剛構橋地震反應分析模型，通過有限元法對兩種結構進行時程分析，結果表明：隔震層上部結構的地震加速度反應、位移反應均明顯減小，這說明隔震的連續剛構橋具有很好的抗震能力。
  15. We deduce easily the coherent term of quantum dynamical model ( the off - diagonal of reduced density matrix ) by improving the nature of displace operator and the nature of coherent states. then, the interaction is energies of a two - photon mechanism and the usual one - photon or liner driving mechanism. we deduce the coherent term by improving the nature of squeezing operators, displace operators and canonical transformation

    其一，僅有阻尼相互作用和勢能相互作用，此時利用位移算符的性質和相干態的性質很方便地推導了量子動力學模型的相干項（約化密度矩陣的非對角元） ；其二，考慮的是既有單光子相互作用又有雙光子相互作用，這時利用相干態、壓縮算符及正則變換等的性質推導出相干項。
  16. Matrix converter ( mc ) is a power converter based on ac - ac direct conversion. more and more attention is paid to mc depending on its adventages, such as omitting the dc part, obtaining unit power factor, getting sinusoidal input currents and output voltages and easy to realize bidirectional flow of energy

    矩陣變換器作為交交直接變換的功率變換器，以其無中間直流環節、具有單位輸入功率因數和良好的正弦輸入電流、易於實現能量雙向流動等優點受到了國內外學者的廣泛關注。
  17. Resets the world transform of the form to an identity 2x2 identity matrix plus a zero - vector translation and fills a rectangle with a solid red brush

    將窗體的世界變換重置為一個單位矩陣（ 2x2單位矩陣加上零向量平移） ，並用純紅色畫筆填充一個矩形。
  18. A convenient way to form the matrix of a color transformation is to start with the identity matrix and make a small change that produces the desired transformation

    形成顏色變換矩陣的一種簡便方法是從單位矩陣開始，然後進行較小的改動以產生所需的變換。
  19. Resets the geometric transformation matrix for this

    的幾何變換矩陣重置為單位矩陣。
  20. The identity matrix is used as the starting point for matrices that modify vertex values to create rotations, translations, and any other transformations that can be represented by a 4x4 matrix

    單位矩陣是特殊矩陣，將它應用於頂點時，頂點不發生改變。單位矩陣用作某些特定矩陣的起始點，這些特定矩陣修改頂點值以形成旋轉、平移以及任何其他4x4矩陣可表示的變換。
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