時間坐標 的英文怎麼說

中文拼音 [shíjiānzuòbiāo]
時間坐標 英文
time base
  • 時 : shí］Ⅰ名1 （比較長的一段時間）time; times; days:當時at that time; in those days; 古時 ancient tim...
  • 間 : 間Ⅰ名詞1 （中間） between; among 2 （一定的空間或時間里） with a definite time or space 3 （一間...
  • 標 : Ⅰ名詞1 [書面語] （樹梢） treetop; the tip of a tree2 （枝節或表面） symptom; outside appearance; ...
  • 時間 : time; hour; 北京時間十九點整19 hours beijing time; 上課時間school hours; 時間與空間 time and spac...
  1. The integral equations governing the three - dimensional viscous flow inside the turbo - machinery in the rotating coordinate system are presented in this paper, the viscous effects are simulated by the distributed body force described by professor denton j. d. the time - marching method and explicit finite volume difference scheme are employed to solve the flow inside the turbo - machinery

    本文給出了相對旋轉坐標系下葉輪機械內部三維粘性流動的守恆型積分型方程組，利用dentonj . d .教授的粘性體積力法來模擬粘性對葉輪機械內部流動的影響，採用時間推進法和有限體積差分格式對葉輪機械內部的流動進行求解。
  2. 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坐標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，選擇合適坐標系，求解了導體球中時諧電流元的修正磁矢量位邊值問題，得到了問題的解析解；最後依據不同坐標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，將坐標系特殊安放時的電磁場解析解變換到坐標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。
  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、修正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，引入了較球矢量波函數更普遍的兩類矢量函數，給出了其在球面上的正交關系。
  4. It is demonstrated by simulations that the control method is efficient and the fully cartesian coordinates is practically efficient. then the inverse kinematics of dual free flying space manipulator are mainly discussed in the third chapter, and the jacobean matrix for dual manipulator space robot is derived by fully cartesian coordinates, a control method for space manipulator based on the resolved motion rate control concept is proposed. then, the computer simulation verifies the effectiveness of the algorithm

    首先，分析了閉環雙臂空間機器人捕捉目標物體時的運動學關系，給出了以完全笛卡爾坐標表示的系統運動jacobi關系；然後，以此為基礎研究了空間機器人雙臂協調操作的分解運動速度控制方法和協調操作問題；最後應用matlab語言對平面雙臂空間機器人系統進行了計算機模擬、模擬，模擬運算證實了上述方法的有效性。
  5. Utc universal time, co - ordinated

    坐標化的通用時間
  6. Utc universal time co - ordinated

    坐標化的通用時間
  7. 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。
  8. Latin : “ balance ” ), in astronomy, zodiacal constellation lying between scorpius and virgo, at about 15 hours 30 minutes right ascension ( the coordinate on the celestial sphere analogous to longitude on the earth ) and 15 south declination ( angular distance south of the celestial equator )

    從天文學上說，天秤座，黃道星座，位於天蝎座和處女座之間，約位於赤經15時30分（類似於地球經度的一種天球坐標） ，南赤緯15度（南天赤道的角距離） 。
  9. Combining the project instance with the use of the approximate adjustment to analyze the deformation, this paper discusses the influence of the net structure of the deformation monitoring network on stability inspection of control points

    摘要討論了變形監測網的網形結構對網點穩定性檢驗結果的影響，當網中擬穩點組無法獨立構成網形時，其餘動點的位移將對擬穩點在各觀測周期間的坐標值變化產生影響，致使其點位的穩定性分析結果受到影響。
  10. Using the logarithm graph, multi - varieties production batch problem is resolved. the production scheduling is realized with heuristic traverse algorithm. at last, the strategies, which include disassembling task, shorting interval of the working procedure, overlapping working procedure, deferring the back working procedure etc., are brought forward to deal with the order ' s inserting, postponement, freezing and doing again on carrying out the production plan

    3 ）分析了企業職能信息系統的集成性和各部門間的協調性，研究車間生產計劃的制訂過程，以模糊多屬性折衷式模型實現了工藝路線的決策，採用對數坐標圖表法，解決了多品種生產批量問題，用基於啟發式的遍歷演算法實現了生產工單的排產，最後提出了任務分解、縮短工序間隔，相鄰工序時間疊加，延遲后續工序等控制策略處理計劃執行過程中工單的插單、延期、掛停與返工等特殊問題。
  11. The inverse heat conduction problem on time dimension

    關于時間坐標的熱傳導逆問題
  12. Noncommutative space means the space that their coordinate do not commu - tute

    非對易空間是指時空坐標不可相互交換的空間。
  13. 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。
  14. On the time coordinate of the transformation from chinese ancient traditional science to modern science

    論中國古代傳統科學向近代科學轉變的時間坐標
  15. It is avoided that a direction of coordinate is simulated as a time coordinate. the dual vectors presented by a new systematic methodology for theory of elasticity are generalized to multi - directions of coordinates

    避免用時間坐標對一個坐標方向的模擬，將彈性力學求解新體系提出的對偶向量推廣到多坐標方向。
  16. Although it can fulfill the queries and operations on the sequence data, it can not find the sequences or subsequences which have the same or approximately same pattern with the query sequences. it is necessary to extend the capability of the queries to find the hidden knowledge in the database

    時間序列數據庫描述、存儲時間序列數據並提供各種查詢操作，通常這些操作都是基於序列元素的值或者時間坐標進行的，無法實現對序列數據庫中所蘊含知識的查詢。
  17. Because of its characteristics of simple structure, low cost and space economy, macpherson suspension has become the most popular independent suspension since its emergence. hence, the kinematic analysis of macpherson suspension has great significance. in this paper, the dimensional positions of points on the left macpherson suspension while the front left wheel turns and jumps are calculated with the method of dimensional coordinate transformation

    本文通過研究用於轉向車輪的麥弗遜式懸架的結構特點和運動特性，採用空間坐標變換方法，準確計算出前轉向車輪在轉向和跳動情況時麥弗遜式懸架上點的空間位置，建立了轉向車輪麥弗遜式懸架在車輪轉向和跳動時的物理模型和數學模型。
  18. To this problem a series of image rectification procedure which utilize geometric rectification theory in vehicle license recognition system are pointed out : we first locate vehicle license and execute the edge detection and binary conversion, then proceed calibration in which we use two calibration scheme looking for control point coordinate, one based on the hough transformation, the other based on image analysis method, and finally realize image correction in geometrical transform and bilinear gray interpolation method

    針對此問題本文給出了一套將幾何畸變校正技術應用到汽車牌照自動識別系統中的車牌圖像校正方法：首先提取牌照信息，並對圖像進行邊緣檢測和二值化的預處理；然後提出了基於hough變換控制點提取和基於圖像分析法的控制點提取的兩種實時標定方法；最後通過空間坐標變換和灰度插值完成圖像的校正。
  19. Then the optical path difference can be obtained with psi algorithm and to use the phase value for each pixel to determine a height value for each pixel. a primary advantage of psi is its high precision. with careful control of environmental conditions, measurement precision to the nanometer scale or below is possible with psi

    它的基本測量原理是，通過攝像系統（ ccd ）接受到的干涉圖中空間坐標已知的各個像素點的光強信號，在壓電晶體驅動參考光程有序變化時，採集到多幅干涉圖的光強信號，由移相干涉法，由光強值得到被測光程差值（位相值） 。
  20. In this paper, a 3d finite element analysis software ( fzfx3d ) was compiled to simulate the construction process of mass concrete structures constructed with sequence method. based on the practical project xiluodu arch dam, the dam ' s construction process was simulated by a small time step size, 0. 5 or 1 days. the environmental temperature change, hydration heat rise, artificial cooling, creep, volume deformatio

    運用laplace變換方法將溫度的求解表示為只與空間坐標及澆築時間有關的函數，從而避免了用隱式差分法、有限元法求解時需求解聯立方程的因而對測點選擇的依賴，也避免了顯式差分法求解穩定性受時間步長，測點間距大小限制的缺點，因而具有測點布置靈活的特點。
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