物空間坐標系 的英文怎麼說

中文拼音 [wùkōngjiānzuòbiāoxì]
物空間坐標系 英文
object space coordinate system
  • 物 : 名詞1 （東西） thing; matter; object 2 （指自己以外的人或與己相對的環境） other people; the outsi...
  • 空 : 空Ⅰ形容詞（不包含什麼; 裏面沒有東西或沒有內容; 不切實際的） empty; hollow; void Ⅱ名詞1 （天空） s...
  • 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; ...
  • 系 : 系動詞（打結; 扣） tie; fasten; do up; button up
  • 空間 : space; enclosure; room; blank; interspace
  1. 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。
  2. A projection algorithm combined with 3 color - fiducial vision - based registration for virtual object registration in augment reality system, based on coordinate transition and 3d projection in 3d space, is described in detail

    結合三色基準注冊技術，藉助三維空間中的坐標系變換和立體投影變換演算法，建立增強現實系統中虛擬物體投影注冊模型，提出並推導增強現實系統的虛擬物體立體視覺投影注冊演算法。
  3. The main work completed in the paper is listed as following : 1. image function acquisition -, 2. read bmp files by dib format ; 3. drawing gray scale histogram ; 4. choose a optimum threshold and make gray image become binary image -, s. find image ' s contour points by making inner points become empty and apply template matching on the contour points ; 6. transform the object ' s beginning points ( pixel point ) to the ones in the image coordinate and the positions of in the corresponding three dimensions ; 7. compute the position vector and the normal vector of the object

    選擇一個最佳闋值，把灰度圖像進行二值化處理； 5用掏空內部點法，找到圖像的輪廓點，然後在輪廓點上進行模板匹配； 6把輸出的目標物開始點（像素點）轉化成圖像坐標系中的點和對應的三維空間的坐標位置； 7計算目標物的位置矢量和法向矢量，根據機器人抓取面的法向矢量，找到機器人要抓取的平面； 8
  4. In this paper, it is proved that, given 3 control points a, b and c, if the camera s optical center o lies on one of the three planes perpendicular to the plane abc and going through one of the three altitudes of the triangle abc, and additionally its projection on the plane abc is within the circumscribed circle of the triangle, that is, o is within the so - called danger cylinder, then the corresponding p3p problem - o, abc - must have 4 positive solutions

    Pnp perspective - n - point問題是計算機視覺攝影測量學乃至數學中經典而重要的問題之一，所謂pnp問題，就是指如下的物體定位問題：假定攝像機為小孔模型且已標定好，攝取一幅在物體坐標系下坐標已知的n個空間點的圖像，且這n個圖像點的坐標已知，確定這n個空間點在攝像機坐標系下的坐標。
  5. Object space coordinate system

    物空間坐標系
  6. To avoid collision with the static and dynamic obstacles, we move the relative velocity away from the collisions field by adjusting the robot velocity value and direction real - time dynamically in acceleration space based on relative coordinates

    此方法是基於相對坐標系，在加速度空間中，通過動態實時地調整機器人自身速度的大小和方向使其離開碰撞區域，即碰撞危險區域，達到與動、靜態障礙物之間的避碰。
  7. Meanwhile, in 3d - scene, some functions of spatial analysis and interactive operations have been realized. and, a testing application system of 3dcm is developed, which includes tin model construction, the creation of contour, spatial coordinate query, section - cutting, measuring distance and area, 3d visualization and operation about topography and building etc. the purpose of developing testing system is to demonstrate the correctness of 3dcm based on the visualization. finally, the result of the testing and 3dgis research direction is put forward to investigate generally

    另外，在三維模型的可視化場景中，實現了一些3dgis的交互操作和空間分析功能，結合論文的目標，開發了一個實驗系統，對三維城市的建模方法進行了論證，實現了dem模型的快速構建及等高線的追蹤和地圖分幅，實現了三維城市模型的可視化，在可視化的基礎上實現了部分空間交互操作和空間分析，如：空間坐標查詢、斷面切割、距離和面積量算、建築物屬性查詢、三維動態漫遊等。
  8. In dtc system, the concept of space vector is introduced to analyze and control the ac motor, the electromagnetic torque and flux are calculated and controlled in the stationary coordinate, and the optimal pwm gating signals are generated to control the inverter to acquire high dynamic torque according to the output of the bang - bang regulators

    直接轉矩控制採用空間矢量的概念來分析三相異步交流電動機的數學模型和各物理量，直接在靜止坐標系下計算與控制交流電動機轉矩和磁鏈，藉助于離散的兩點式調節產生pwm信號，直接對逆變器的開關狀態進行最佳控制，以獲得轉矩的高動態性能。
  9. The common map is scanned into grid map, and then vectored in mapinfo. after vectoring, vector data are matched and the spatial coordinate data of resident points, water system and other data are gained. the coordinate of reference points in the freeway are gathered by gps, then after data processing, coordinate transition, data inputting, it turn into the freeway graph, which composes the freeway electronic map with the materials subsidiary to the freeway

    將普通紙質地圖經過掃描生成柵格地圖，然後在mapinfo環境下進行矢量化生成矢量化地圖，經過矢量化數據配準，確定居民點、水系等物系的空間坐標數據；利用gps採集的高速公路控制點坐標，經過數據處理、坐標轉換、錄入，最後生成高速公路圖層，和上述高速公路附屬物共同構成了完整的高速公路電子地圖。
  10. The effective optimization design programs for different cases are developed by integrating the following several aspects which involves the flow analysis, adjoint equation solution, gradient solution, optimal arithmetic and grid generation. some practical design tests for airfoil and wing show that the continuous adjoint approach is very effective and useful method for aerodynamic optimization design. at the same time, we have done the research of aerodynamic optimum design for airfoils by using navier - stokes equations

    （ 4 ）研究了基於控制理論和三維navier一stokes方程的優化設計理論，在計算坐標下詳細推導了該優化設計理論，得到了計算坐標系下描述的共扼方程數學描述形式，並以給定目標壓力分佈的氣動反設計為例，導出了相應的共扼方程邊界條件，以及關鍵的梯度求解具體表達形式，為了求解方便，把計算空間上描述共扼方程表達形式變換到物理空間中進行描述，通過與ns方程表達形式對比分析，最終給出了一種直觀的共轆方程表達方式。
  11. In the motion detection a method which is based on time and space is used for it can detect harmful invade object in spite of surroundings inteferre. in addition, after got the image of objects, the rectangle frame technique is used to fill the hole. in my design another part is multi - objects image tracking which is a new technique and it integrates image processing, automatic control and computer science. this technique can automatically acquire objects from image signal, get objects " position information then track them with the aid of dome

    本文中提出了若干有價值的新思想、新方法，完成了以下內容：首先，提出了數字視頻監控的功能結構，描述了數字監控系統的組成、特點和發展現狀；然後研究了適合於跟蹤監控的攝像機坐標系，提出了一種雙角度攝像機坐標以適合本系統的實際應用；討論現場圖像的預處理，其中包括灰度級變換、噪聲濾波和圖像恢復；在運動監測中，比較了幾種常用的運動檢測方法的優缺點，提出了一種基於時域和空間域的圖像檢測方法；另外，在得到運動物體的圖像時，採用矩形框技術填充由於差分圖像造成的孔洞，此方法簡單可靠，有較大的實用性。
  12. By using 21 straight lines optical flow in 3 consecutive image frames, a set of equations about 3d motion parameters were established. after solving the above equations, 12 motion parameters of 3d object and coordinates of the 3d straight line could be obtained. in fact, it is difficult to get the 21 straight lines and their correspondence

    但是在實際應用當中，要找出這zi條直線以及其對應關系是很困難的，因此本文提出的運用解非線性方程組的方法，只需要6條直線的光流，就可以分步求出物體的12個運動參數，並根據求得的12個運動參數和一致的圖像坐標系中的直線坐標，求得空間直線的坐標，最終實現了3d場景的恢復。
  13. In this thesis, the parabolic stability equations ( pse ) in the different coordinate systems are driven from navier - stokes ( n - s ) equations. the stability problems of the boundary layers for three - dimensional body, and the spatial evolution process of the c - type instability are studied

    本文從navier - stokes （ n - s ）方程出發，導出了不同坐標系下的拋物化穩定性方程（ pse ） ，研究了三維物體的邊界層穩定性問題，以及三維擾動的c型失穩的空間演化過程。
  14. In dtc system, the concept of space vector is introduced to analyze and control the ac motor, the electromagnetic torque and flux are caculated and controlled in the stator reference frame, and the optimal pwm gating signas are generated to control the inverter according to the output of the bang - bang regulator. in this paper, the dtc system is designed based on dsp. a speed estimation method is derived detailedly and the sensorless speed close - loop control is conducted. in this system, there are some problems, such as flux drift and torque ripple. to resolve these problem, a modified flux caculation method and some measures such as speed lpf, torque slide filtering are adopted. the system performance is enhanced by these mersures

    直接轉矩控制採用空間矢量的概念來分析異步電機的數學模型和控制其各物理量，直接在定子坐標系中計算和控制轉矩和磁通，藉助于離散的兩點式調節（ bang - bang控制）產生pwm信號，直接對逆變器的開關狀態進行優化控制，以獲得轉矩的高動態性能。本文採用dsp設計了直接轉矩控制系統，詳細推導了速度估計方法，進行了無速度傳感器的速度閉環控制。
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