coordinate transform 中文意思是什麼

coordinate transform 解釋
坐標變換
  • coordinate : adj 1 同等的,同位的;協調的,配合的;【語法】對等的。2 【數學】坐標的。3 (圖書、資料編目)交叉...
  • transform : vt (使)變形;(使)變化[轉化,轉變];變態,改變(性質、機能等),改造,改革;【數學】變換;【電...
  1. Due to the moving base existence of the minehunting and the frame structure characteristic of the sonar array, a new modeling thought in which the boat body coordinates is regarded as moving coordinates and the whirligig equation of sonar array compared with the self coordinates is founded on the basis of the euler ' s theorem and the coordinate transform is introduced. the dynamic equations of minehunting sonar array with the state matrix form are founded by settling the dynamic models with the vector form. so it offers theory foundation for analyzing the dynamic characteristic and designing robust control

    由於獵雷艇作為動基座的存在和聲納基陣的框架結構特點,提出了以艇體坐標系為運動坐標系,運用變形的歐拉定理和坐標變換建立聲納基陣相對自身坐標系的旋轉運動方程的建模思想;將所建立的矢量形式的動力學模型展開整理,獲得了狀態矩陣形式的獵雷聲納基陣動力學方程,為系統動力學模型的實用化奠定了基礎。
  2. At first we improve the methods of iris image preprocessing, including an efficient arithmetic of evaluation iris images, an improving method of locating iris, calibrating iris image by the translation of coordinate and the circular shift of code, a eatimate of the background illumination by bicubic spline, and the image enhancement by the dual tree complex wavelet transform. next we designed the recognition arithmetic based on the location of the local maxima of the wavelet transform modulus. in the thesis lots of simulation are performed by means of matlab and visual c + +

    首先改進了虹膜預處理方法,實現了一種快速高效的虹膜質量評價演算法;設計了一種改進的兩步虹膜定位演算法,準確的定位了虹膜的內外邊界;利用坐標轉換和編碼的循環移位實現了對虹膜圖像的配準;利用雙三次樣條函數擬合虹膜圖像背景,去除了非均勻光照對虹膜識別的影響;使用二分樹復數小波方法增強了虹膜圖像的對比度;在識別演算法方面,本文設計了一種「基於小波模極值點位置的虹膜識別演算法」 。
  3. In order to prove the existence of the periodic boucing solutions, firstly we will introduce a new coordinate transformation, transform the system from right half plane to the whole plane. and give the relation of the eigenvalues of hill ' s equation and the rotation numbers, using this approach and pioncar - birkhoff twist theorem, we proved the existence of the periodic bouncing solutions for asymptotical linear oscillator

    對于周期解的存在性證明,我們引進新的坐標變換把右半平面上的碰撞問題轉化到整個平面上,給出旋轉數與hill方程的特徵值的關系,並以此來度量漸近線性振子,再應用pioncar - birkhoff扭轉定理得到周期碰撞解的存在性。
  4. 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
  5. Discussion on the way of space right - angle coordinate transform of the big euler angle

    大歐拉角的空間直角坐標轉換方法探討
  6. Including usign coordinate transformation method to deduce the uniform coordinate from the object coordinate to the photo coordinate, then setup the measuring error equation of apsse, this established the theory ground of usign the mont carlo method to analysis the error of apsse. there are errors from every tache of coordinate transform

    由於建立機載光電跟蹤測量設備的測量誤差的位置傳遞方程是基於空間坐標變換的基礎上,從中心地平坐標繫到目標坐標系的變換涉及到幾十個環節,而每個環節都有誤差,其誤差的性質和大小直接影響對目標的定位測量。
  7. Since there are over twenty taches from the object to the photo, the error analysis method is firstly unit analysis and the synthesize. after established the error equation usign the coordinate transform method, quantificational anglicizing the total error is possible

    建立位置傳遞方程的目的就是將這些誤差用方程的形式統一起來,改變以往對誤差的分析都是先進行單元分析,然後,進行合成的缺陷。
  8. Based on space coordinate transform, the paper deduced the principle with which conventional machine parameters can be translated into cnc machine

    基於空間坐標變換,分析了由傳統銑齒機調整參數轉化為四軸數控銑齒機調整參數的原理並提出了實現方法。
  9. Thirdly, the method to calculate the 3 - d dynamic responding of layered transversely isotropic saturated soils to an arbitrary buried source in cylindrical coordinate as well as to an arbitrary harmonious source in rectangular coordinate is presented respectively. based on biot ' s wave theory, the 3 - d wave equations in cylindrical coordinate for transversely isotropic saturated poroelastic media are transformed into a group of governing different equations with 1 - order by the fourier expanding with respect to azimuth and hankel integral transform method or by the double fourier transform method with respect to horizontal coordinates in rectangular coordinate. then, transfer matrixes within layered media are derived under the continuous conditions, drainage conditions and the boundary conditions

    基於飽和土的biot波動理論,通過fouricr變換,將橫觀各向同性飽和土三維非軸對稱波動方程轉化為一組一階常微分方程組,再經har止el變換,建立問題的狀態方程,求解狀態方程得到傳遞矩陣;利用傳遞矩陣,結合飽和層狀地基的邊界條件、排水條件及層間接觸和連續條件,首次給出層狀橫觀各向同性飽和地基在任意地展力作用下的三維非軸對稱動力響應的解析解。
  10. First, by using coordinate rotation, we have discussed the computer - generated hologram composed by planar object whose plane does n ' t run parallel with that of its hologram. second, through coordinate transform, the computer - generated hologram of curvy planar object has been discussed again, in which, conformal map in computer graphics has been creatively applied, and generated the computer - generated hologram of simple curvy plane ( e. g. spherical surface ) ; also, in this section, the correctness of transformation has been confirmed by numerical reconstruction

    首先利用坐標旋轉討論不平行於全息面的平面所構成的物體的計算全息圖:接著採用坐標變換討論曲面物體的計算全息圖,創造性地將計算機圖形學中的共形對應原理運用到計算全息中,生成了簡單曲面(如球面)物體的計算全息圖,並用數字重現驗證了變換的正確性,為今後復雜三維物體的計算全息圖的研究奠定基礎。
  11. By the software platform, figuring out the objects and the robotics projection according to the kinematics model and the coordinate transform and t our software platform is to test the validity of the arithmetic according to adjusting the distance between the two vidicons and vidicons ’ poses in the descartes space.,

    設計的軟體模擬演算法驗證平臺中,通過運動學模型、坐標轉換等計算出目標物體、機器人本體的視覺投影,在一定范圍內調節目標對象在笛卡兒空間中的位姿,模擬現場工作環境。
  12. A basic coordinate transform based method for establishment of kinematics equations

    一種基於基本坐標變換的運動學方程建立方法
  13. In order to describe the hupqc system theoretically, the mathematical model of hupqc is derived by the concepts of space coordinate transform and the switch function

    為了對電能質量綜合調節系統在理論上進行描述,作者應用空間坐標系變換和開關函數的概念,建立了系統的數學模型。
  14. In this paper, we choose a reasonable basic area and a coordinate transform and give conditions that ensure the invariant set or hyperbolic invariant set exist in the bouncing ball model by using the mosers and zhou jianying ' s conditions respectively. thus, the existence of horseshoe of the bouncing ball model is solved effectively

    本文對碰撞恢復系數為0 1的彈跳球模型,通過選取合理的基本區域和引入適當的坐標變換,分別利用moser條件和周建瑩提出的一組微分條件,給出了彈跳球模型存在雙曲不變集和不變集的條件,從而很好地解決了該模型馬蹄的存在性問題。
  15. A novel reversible coordinate transform method, need not calculating the transform coefficient matrix, based on vector operation is proposed in this paper

    摘要提出了一種基於矢量運算的新的坐標變換方法,該方法具有不需要計算轉換系數矩陣、可逆的特點。
  16. In this paper, four main problems are discussed. they are coordinate transform 、 the make and management of electronic map 、 map matching and best path analysis

    論文在分析整個系統的基礎上,著重探討分析了四個問題:坐標變換,電子地圖製作與管理,地圖匹配與最優路徑分析。
  17. Introduce the fundamental theories of gps system, which includes the structure of gps system, positioning principles, positioning errors and coordinate transform, as well as introduce correlative theories about difference positioning system

    詳細介紹了gps系統的基本理論,包括gps系統的組成、基本定位原理、定位誤差分析以及坐標轉換,同時還介紹了差分定位系統的相關理論。
  18. Based on the detailed and abroad investigation of the inland and overseas literatures three dimensional turbulence computation in recent 10 years, the vertical delaminating coefficient ko was introduced in normal - coordinate transform in this paper. this means = was used to displace the normal, which has been regularly used in the computation of 3d flow in recent years. the use of new coordinate is aimed to match the landform better and improve the instance that the normal coordinate mathematic models are emanative with complicated landform sometimes

    在對近年來國內外三維紊流計算的有關文獻進行了細致的分析研究基礎上,本文將三維紊流計算中常用的坐標變換加以改進,引入垂向分層系數k _ 0 ,採用= k _ 0 ( z - ) d的變換方法,以期更好地與實際地形相匹配,改善常見坐標變換數學模型在地形復雜地區容易發散的問題,並給出了k _ 0的確定方法。
  19. As a result, the time delay is reduced by the predictive detection scheme for sample, coordinate transform, or calculation process effectively. and the compensation effect of hupqc is improved. it is a better detection scheme for power pollution to be checked in distribution system

    模擬與實驗結果表明,預測檢測可有效地避免坐標變換或采樣、計算過程引起的時滯,改善hwqc補償的實時性,從而提高調節系統的補償精度,為實現對配電系統中電能「污染」的治理提供了一種較理想的信號檢測方法。
  20. According to the robot of trait, the robot of kinematics is analysed by inverse kinematics. the coordinate transform in kinetic course was given. and the velocity and acceleration is analysed by influence coefficient. the changeable velocity and acceleration of curve in the ideal condition is designed and analysed. based on zmp theory, formula calculates zmp by direct and indirect means is deduced

    利用影響系數的方法給出了機器人速度和加速度公式,給出了機器人在理想狀態下行走的各分支機器人速度和加速度的變化曲線,對曲線進行了分析,指出對應于實際行走過程中每一段曲線的意義,為機器人的控制打下了堅實的基礎。
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