正坐標 的英文怎麼說

中文拼音 [zhēngzuòbiāo]
正坐標 英文
cartesian coordinate
  • : 正名詞(正月) the first month of the lunar year; the first moon
  • : Ⅰ名詞1 [書面語] (樹梢) treetop; the tip of a tree2 (枝節或表面) symptom; outside appearance; ...
  1. Combined with the reseaching panoramic aerial camera with tdi ccd, the paper deduced the formula of imv with two methods. one is coordinate system transformation method, the other is orthogonal projective analytic method

    本文結合在研的tdiccd全景航空相機,用兩種不同的方法實現對像移速度公式的推導:系變換法和交投影解析法。
  2. Applying the information extracted from numerous hydrographic data of field trials collected by h / hcs - 017, the first set of multi - beam swath bathymeter developed in china, a series of mosaic techniques have been carefully studied in this thesis, including digital terrain model building, statistical error analyzing, hydrographic data mosaicking as well as tides correction and projection of the earth coordinates. finally, standard digital sea - charts and three dimensional seafloor images are successfully developed that are consistent with hydrographic surveying principles

    本文利用我國第一臺h hcs ? 017型條帶測深儀的測量數據進行拼圖技術的研究,主要研究的內容有:利用分帶原理對深度數據進行潮汐修,得到瞬時海面的深度數據;對測深數據進行誤差分析處理,去除野值;將多波束數據進行變換及投影轉換后構建數字地理模型,進而根據海道測量規范繪制準海圖。
  3. The paper studies the surface geometry of globoidal indexing cam by applying the theory of conjugate surfaces and the method of coordinate transformation, presents the equations related to the main inducement curvature of the cam profiles, analysis and deduces the equations of two circumscription curves, which judge if the conjugate surface could mesh properly. some calculate examples and conclusion are given. the surface equation of the globoidal cam and conjugate equation are established

    論文首先在分析空間嚙合原理基礎上,採用變換法推導出弧面分度凸輪的工作廓面方程、嚙合方程和壓力角計算公式,對弧面分度凸輪的嚙合特性進行了深入的分析和研究,對判斷曲面能否確嚙合的依據如兩類界限線方程以及誘導主曲率等進行推導,並給出算例。
  4. In many cases sample coordinates are recorded on an orthogonal grid coordinate system.

    在多數情況下,樣品記錄在交網路系。
  5. They form a three-parametric, orthogonal net and may be chosen as coordinate lines of a special, curvilinear coordinate system.

    它們形成三參數交網,可以把它們選作特殊曲線系的線。
  6. Fourth, the paper treats two kinds of hoisting projects of high alititude construction in bulk and member assembly, hositing machine and plan layout, setting up scaffold and joints, and installing trunks, branches and joints etc. then in detail discusses the method which applys total station to measure three - dimensional coordinate of dendriform structure, including selecting survey sign points, creating survey system and converting survey coordinate system etc. the paper also deep research on the welding performance, welding method, welding process, welding stress and control, welding strain and rectification, weld defects analysis and weld quality inspection, and so on complicated heterogeneity steel weld proplems

    接著系統的論述了高空散裝法和分單元安裝法兩種樹狀結構吊裝方案,樹狀結構吊裝機械及平面布置,樹狀結構胎架及節點的搭設,以及樹狀結構樹干、樹枝和節點的吊裝工藝等諸多工藝問題。詳細的論述了採用全站儀對樹狀結構進行空間三維測量的方法,包括測量志點的選取、測量系統的建立及測量的轉換等問題。深入地研究了樹狀結構可焊性、焊接方法、焊接工藝、焊接應力及控制、焊接變形及矯、焊接缺陷分析及焊接質量檢查等復雜的異種鋼焊接問題。
  7. Coordinate system of the manipulator is built, and kinematic equation is obtained. the reverse kinematics of the robot is analyzed using algebra and geometry, and the conditions to eliminate excrescent results are presented. and the working space of the mechanical arm is gained, singularity of the manipulator is analyzed

    對機械臂進行了運動學分析,建立機械臂系,建立運動學方程,並採用代數法和幾何法求解機器人逆運動學問題,並給出剔除多解的條件,求解出機器人手臂的工作空間和雅可比矩陣,並對機械臂的奇異性進行分析。
  8. Orthogonal coordinate systems ; general concepts

    系.一般概念
  9. Firstly, this paper designs a polar coordinate barotropic vorticity equation semi - spectral model and a quasi - geostrophic grid model in order to research the propagation of vortex rossby waves and tropical cyclone intensity change entirely

    本文首先設計了一個極壓渦度方程的半譜模式、一個準地轉格點模式對渦旋rossby波傳播和熱帶氣旋強度變化進行了較為系統的研究。
  10. Firstly, in spherical coordinate system, the sovp formulation for the time - harmonic electromagnetic fields of the current dipole in conductive infinite - space is derived, using reciprocity theorem and transforming relations between special functions. then, selecting appropriate coordinate system, using superposition principle, the boundary - value problem of modified magnetic vector potential on the problem of a time - harmonic current dipole in spherical conductor is solved and analytical solution is obtained. finally, by means of the addition formulas of legendre polynomial and spherical harmonics function of degree n and order 1, the analytical solution in spherical coordinate system specially located is transformed into that in spherical coordinate system arbitrarily located

    首先利用特殊函數間的轉化關系和互易定理推導得到了無限大導體空間中球下時諧電流元電磁場的二階矢量位形式:然後利用疊加原理,選擇合適系,求解了導體球中時諧電流元的修磁矢量位邊值問題,得到了問題的解析解;最後依據不同系下電磁場解的轉化原理,藉助勒讓德多項式和n次1階球諧函數的加法公式,將系特殊安放時的電磁場解析解變換到系一般安放時的解析解,給出了球內電場和球外磁場的並矢格林函數。
  11. 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

    利用旋轉后球變量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;以遞進的方式說明磁矢量位、修磁矢量位與二階矢量位的關系,寫出了引入二階矢量位的過程;以時諧場矢量邊值問題為例,闡明了不同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;在球下,引入了較球矢量波函數更普遍的兩類矢量函數,給出了其在球面上的交關系。
  12. During the evaluation method for the precision of missile aiming on the sea, setting up test structure system, confirming demand coordinate, putting up installation and calibration to test frame of missile silo, in the course of navigating, it was analyzed and calculated the direction error that brought by the incorrectness of the position of longitude and latitude

    在海上瞄準精度鑒定方法中,建立了試驗構建體系,確定了必要的系,對彈筒試驗支架進行了裝調、校和實際定。對艇在航行過程中,由於艇的經、緯度不準確而帶來的定位誤差的影響進行了分析與討論。
  13. Space - time block codes based on coordinate interleaved orthogonal designs

    基於交叉交設計的空時分組碼
  14. The one used the actual locomotor orderliness gained by reverse seeking to amend the contour curve of the cam. the new academic contour curve of the cam and tracks of polar and right angle coordinates of the center of reamer were presented

    第一種是根據反求得到的實際從動件運動規律,修了開牙凸輪輪廓曲線,給出了新的凸輪理論輪廓曲線和刀具中心極軌跡和直角軌跡。
  15. Construct a set of rectangular axes and resolve any inclined forces into rectangular components.

    作一組直角軸,把各力都分解成交分量。
  16. For the regular curves, we find two killing fields for the purpose of integrating the structural equations of the p - elastic curves and express the p - elastica by quadratures in a system of cylindrical coordinates. for the star - like affine curves, we solve the euler - lagrange equation by quadratures and reduced the higher order structure equation to a first order linear system by using killing field and the classification of linear lie algebra sl ( 2, r ), sl ( 3, r ) and sl ( 4, r ). we solve the centroaffine p - elastica completely by quadratures

    對于則曲線的情形,我們發現了兩個用於求解p -彈性曲線的結構方程的killing向量場並用積分將p -彈性曲線在一個柱面系中表示出來,而對仿射星形曲線的情形,我們用積分方法解出了歐拉-拉格朗日方程,利用killing向量場及線性李代數s1 ( 2 , r ) 、 s1 ( 3 , r )和s1 ( 4 , r )的分類將高階結構方程降為一階線性方程,因此我們用積分完全解出了中心仿射p -彈性曲線。
  17. Transverse forces acting in the positive co-ordinate direction are positive.

    橫力作用在正坐標方向的為
  18. Permanent magnet synchronous motor ( pmsm ) drived by triphase sinusoidal current is research object in this paper. its mathematics models in several coordinate are set up, controlling principles of flux linkage and torque are discussed under dtc and the block diagram of pmsm with dtc is presented

    本文以三相弦波驅動的永磁同步電機( pmsm )為研究對象,建立了其在不同系下的數學模型,並深入探討直接轉矩控制中永磁同步電機的磁鏈和轉矩的控制思想,給出控制方案。
  19. Orthogonal coordinate systems ; differential operators of vector analysis

    系.向量分析的微分運算元
  20. For example, you can use the world transformation to revise the coordinate system and use local transformations to rotate and scale objects drawn on the new coordinate system

    世界變換可與局部變換合併,以得到多種結果。例如,世界變換可用於修正坐標系統,而局部變換可用於旋轉和縮放在新系統上繪制的對象。
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