目標計算坐標 的英文怎麼說

中文拼音 [mùbiāojìsuànzuòbiāo]
目標計算坐標 英文
computed target-position coordinates
  • 目 : Ⅰ名詞1 （眼睛） eye 2 （大項中再分的小項） item 3 [生物學] （把同一綱的生物按彼此相似的特徵分為幾...
  • 標 : Ⅰ名詞1 [書面語] （樹梢） treetop; the tip of a tree2 （枝節或表面） symptom; outside appearance; ...
  • 計 : Ⅰ動詞1 （計算） count; compute; calculate; number 2 （設想; 打算） plan; plot Ⅱ名詞1 （測量或計算...
  • 算 : Ⅰ動詞1 （計算數目） calculate; reckon; compute; figure 2 （計算進去） include; count 3 （謀劃;計...
  • 目標 : 1. （對象） target; objective 2. （目的） goal; aim; destination
  • 計算 : 1 （求得未知數） count; compute; calculate; reckon; enumerate 2 （考慮; 籌劃） consideration; pla...
  1. Perfect pre - processing and post - processing function is one of the main factors to evaluate the vitality and market value of the finite element analysis system surveying today development of finite element analysis technology, most of which concentrate on establishing fine user interface, also has some limitation on application, and especially, the research on the visualization of arbitrary cut - plane is always in ascendants to realize the visual processing on cut - plane needs reprocessing the results of finite element analysis which have get, so the algorithm is two parts : seeking the physical value of cut - plane and drawing 2d contours, the former, based on the theory of stress on " arbitrary inclined plane " in physical mechanics, use the method of linear interpolation method to get the coordination and physical value of intersection between cut - plane and element arris ; the latter, based on the tables on elements, nodes, stress and strain, summarize a rapid algorithm of generating 2d contours based on the grid. this thesis synthesizes there two parts and get a visual processing program under fortran

    縱觀有限元分析技術的發展，目前大多集中在建立良好的用戶界面上的研究仍存在許多應用上的局限性，其中對任意剖面上可視化的研究仍處于方興未艾的階段。要實現任意剖面上可視化處理，必須先將得到的有限元計算結果進行再處理，因此在演算法上分為兩部分：求任意剖面上物理量值的演算法及二維等值線演算法。前一部分以彈性力學中「任意斜截面的應力」為理論基礎，利用線性插值方法得到截面與單元棱邊的交點坐標及交點物理量值；在此基礎上；根據已得到的單元及節點序號表、應力應變物理量表，總結出一種基於有限元剖分網格的快速生成二維等值線的演算法。
  2. 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。
  3. Considering the characters of 3 - axes coordinate system that is not included in ship rectangular frame or inertial frame, compensation conditions are deduced through studying the effects of ship - swing. the paper studies how to transfer line velocity and acceleration in the inertial frame to angular velocity and acceleration which correspond each axis, then gives the computer function scheme. servo control scheme which can overcome ship swing and realize moving - target accurate tracking is designed according to inconsistency of radar base angle and beam angle

    針對三軸軸系既非甲板坐標系又非大地坐標系的特點，既研究了船搖對正交三軸雷達系統的影響，推導實現船搖不變性的補償條件，又研究了將目標在大地坐標系中的線速度和線加速度濾波值折算到各軸對應的角速度和角加速度值的計算關系，並作出了計算機功能框圖。
  4. The implementation uses two - dimension images as input. the arrangement of light spots on the lunar rover and the imaging geometry of the camera are used to compute the three - dimension coordinates of the light spots in camera coordinate system, and after transformation, the world coordinate of the light points. we can then easily get the coordinate value of center of mass of the rover after averaging the world coordinate value of light points

    本文構造了一種光點配置單目ccd演算法，它以計算機視覺系統採集的二維圖像信息作為輸入，直接利用光點的幾何配置條件和攝像機成像幾何關系，求解出光點在ccd攝像機坐標系下的三維坐標，並經過坐標變換，轉化為在世界坐標系下的坐標，然後取其平均值，從而得出月球車的中心位置。
  5. Based on perspective model, it was proposed that drawing camera inner parameters with physics method ; in image processing, especially the particularity of robot object localization and tracking, it was proposed that several effective methods of image smoothing and sharpening, edge detection, boundary tracking ; at the same time, in order to complete object recognition, we introduced the methods of drawing object character parameters ; in object image matching, two kinds of effective object matching arithmetic was proposed ; based on the principle of object 3d information restoration, we proposed two kinds of arithmetic of 3d coordinate restoration of object feature points, and completed object movement parameters estimate and object tracking and prediction, and presented experimental result

    以透視成像模型為基礎，提出了用物理方法來提取攝像機內部參數；從圖像處理角度出發，針對機器人目標定位與跟蹤的特殊性，提出了幾種行之有效的圖像平滑、銳化、邊緣提取以及邊界跟蹤的方法；同時，為了完成目標的識別，介紹了目標特徵參數的提取方法；在目標圖像匹配上，提出了兩種快速有效的目標匹配演算法；基於目標深度信息恢復原理，提出兩種目標特徵點三維坐標恢復的方法，同時完成了目標運動參數估計和目標的跟蹤與預報，並最後給出了實驗結果。
  6. Based on the preliminary knowledge of color coordinate, color space and color difference, in chapter 4, we focus on the image preprocessing, that is the gamut mapping between the color paper and the crt displayed image. color correction and its realization of our lcos digital image print head are also given in this chapter

    在第四章，我們重點研究的用於數碼沖印的顏色校正模塊及其實現，這一部分在簡要介紹色坐標與顏色空間，色差計算公式的基礎上，將重點放在數碼彩擴機目標色域以及源色域色域映射方法，密度計密度空間以及色度空間映射關系，即時色度與密度空間的關系等的研究。
  7. Object location is defined as coming up with three - dimensional coordinate expression through binocular vision model analysis using geometrical relationship depth map generalization is the course of visualizing depth information

    目標定位是通過雙目視覺模型分析，利用空間幾何關系，最後提出了目標點的三維坐標計算表達式。
  8. 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
  9. The program of data processing in determination of percent released of pharmaceutical preparation was developed ; two modules included in this program are connected but independence each other, one module calculate percent released, one module regress equation ; determination of percent released of pharmaceutical preparation, comparison of released curve in one reference frame and modeling mathematics model were realized by running this program. the program of formulation optimization based on artificial neural network was compiled to solve the nonlinear problem in formulation optimization. provided parameters were used to predict the released amount of a set of formulations

    簡便，其計算結果與現有其他程序計算結果基本一致：開發固體制劑體外溶出試驗數據處理程序，程序運行時分為計算累積釋放百分率和優選最佳數學模型兩個相互連接又各自獨立的環節，實現了累積釋放百分率的自動計算，同一坐標系下釋放曲線的直觀比較，常用數學模型的擬合；開發基於人工神經網路的處方優化系統，解訣處方優化這一多目標、非線性優化問題，利用符合擬合精度的訓練結果預測給定處方的釋放度，預測結果與實驗結果基本相近。
  10. Mathieu function is the base of field theory analysis in elliptical cylinder coordinate system. so, firstly, detail investigation has been given about the problem of numerical analysis of matheiu functions, based on the predecessor ' s contribution, an improved faster algorithm of numerical analysis and confirmation algorithm of matheiu functions has been presented

    Mathieu函數是橢圓柱坐標系統下場論分析的基礎，因此本文首先對mathieu函數的數值計算問題進行了詳細研究，並在前人基礎上完善並進一步改進了目前被認為較為可行的數值演算法，並提出了驗證演算法。
  11. Motion control is a comprehensive subject. modern ac drive is a important embranchment in the field of motion control. however, it is difficult to rea1ize high - performance ac drive systems because induction motors are a kind of strongly - coupled nonlinear system with many variables and the torque is not easy to control. with vector control technology decoupling and torque control of ac motor are solved. the basic idea of vector control is that three - phase system is equiva1ent to two - phase system by coordinate transformation and it realizes the decoupling between field current and torque current of the stator in order to control the flux and current respectively, thus induction motor can be considered dc motor and high performance is achieved easily. with the progress of electric and electronic technology and the development of computer, high - integrated special modules and high - precision digital signal processor ( dsp ) are applied to ac drive so that vector control has been developed rapidly

    但是高性能的交流調速系統實現很困難，這是因為交流電機是多變量、強耦合的非線性系統，不易實現高性能轉矩控制。矢量控制技術則解決了交流電機解耦與轉矩控制問題，其基本思路? ?應用坐標變換將三相等效為二相，實現定子勵磁電流分量與轉矩電流分量之間的解耦，達到對交流電機磁鏈與電流分別控制的目的，交流電機等效為直流電機實現高性能調速。隨著電力電子技術的進步，計算機技術飛躍發展，高度集成的專用模塊和高精度的數字信號處理器應用於交流傳動系統中，促進矢量控制迅猛發展，日趨成熟。
  12. The kinematic performance of the macpherson suspension on a real vehicle is studied, and the changes of the front wheel alignment and the motion of the front wheel in the longitudinal and the transversal directions are figured. based on the requirements of general layout, a constrained optimization design model is set up with the steering cross rod ball joint position as the optimization variables ( design parameters ), and the sum of steering cross rod length interference while the left front wheel turning and bouncing as the objective function. and the optimization results are worked out by programming on computer

    針對一種實際車型上的麥弗遜式懸架，計算分析了轉向輪跳動時前輪定位角和車輪橫向、縱向滑移量的變化情況，並根據實際車型上麥弗遜式懸架的空間布置要求，建立了以轉向橫拉桿斷開點空間位置坐標為優化變量，轉向橫拉桿斷開點空間布置坐標可變化范圍為約束條件，車輪轉向和跳動時轉向橫拉桿長度干涉量為目標函數的約束優化設計模型。
  13. For the reason of concerning with large mesh distortion, the research of this kind of methods mainly focuses on constructing of finite volume schemes in lagrangian coordination and remapping of physical quantities between mesh systems

    這類方法由於涉及到lagrange坐標系下計算網格的變形問題，目前的研究工作主要包括lagrange坐標系下有限體積格式的構造和針對計算網格變形的守恆重映問題。
  14. Abstract : the characteristics of wavelet transform and its significance in image edge extraction are presented. the detailed steps for the extended target centroid calculation with wavelet transform are described. extracting target ( airplane ) centroid coordinates when airplane images are in the background noise conditions with different image fuzzy degrees by using wavelet transform, the extracting accuracy for target centroid coordinates under the different image fuzzy degrees and background noise conditions are compared. the application prospect of wavelet transform in the extended target tracking is shown

    文摘:介紹了小波變換的特點及其在圖象邊緣提取中的意義，說明了擴展目標用小波變換進行目標形心計算的詳細步驟，並以飛機圖象為目標在不同圖象模糊程度及背景噪音情況下用小波變換進行了目標形心坐標提取，比較了不同圖象模糊程度及背景噪音情況下目標形心坐標提取的精度，展示了小波變換在擴展目標跟蹤技術中應用的前景。
  15. The researches on re - positioning of ocean - bottom geophones after acquisition is a necessary part of the obc seismic exploration. this ocean - bottom geophone re - positioning system for ms windows in microcomputer environment is developed with vc + + 6. 0 and visual fortran 6. 0 co - programming technique, and it is based on the re - positioning software run in the unix workstation environment and financed by the national " 863 " sub - project " the research of three - component ocean - bottom geophone coordinate recognition and positioning methods ". the visibility of overall processes is realized

    本論文以國家「 863 」子項目「海底三分量檢波器坐標識別、定位方法研究」編制的基於unix工作站環境的海底檢波器二次定位軟體系統為基礎，使用visualc ~ （ + + ） 6 . 0與visualfortran6 . 0混合編程技術，研製了基於mswindows平臺微機環境下的海底檢波器二次定位系統，整個過程實現了計算機可視化。
  16. Ecc is considered to be an alternative to rsa. this article provides a brief description of rsa public key cryptography and the associated knowledge, in particular introduces non - supersingular elliptic curves e which is established on the finite field fp with p > 3, in - depth studies present existed scalar multiplication, further proposes an improved signed sliding window algorithm on ecc under the mixed coordinates, the improved algorithm compatible the advantage of the naf, has the least number of zero window and avoid a large number of inverse operation, successfully reduce scalar multiplication calculation

    本文闡述了橢圓曲線及其相關知識，特別說明了建立在有限域fp （其中p是大於3的素數）上的非奇異橢圓曲線e ，深入研究目前已有的各種標量乘法，由此提出了橢圓曲線密碼演算法在混合坐標下改進的帶符號滑動窗口演算法，該演算法兼容了naf方法的優點，擁有最少數目的非零窗口數，又避免了域元素上的大量求逆運算，較成功地減少了標量乘法計算量。
  17. Annual synthetical cost or power loss, etc. ) with physical constraints, such as load demand, line ' s capacity, substation ' s capacity etc. as we know, it is difficult to get differential function of a nonlinear objective function, so for simplifying the problem, a layered optimal strategy for multi - constrained substation positioning is proposed

    變電站站址優化是在滿足諸如負荷需求、線路容量、變電站容量等約束的情況下，尋優新建變電站的位置坐標，使某目標值（例如，年綜合計算費用、線損等）達到最優。
  18. For pixel fog, these values are in device space when the system uses z for fog calculations, or in world space when the system uses eye - relative fog w - fog

    對于像素霧化，如果系統使用z進行霧化計算，則以上值在設備坐標空間中；如果系統使用目相關霧化（ w霧化） ，則以上值在世界坐標空間中。
  19. 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。
  20. Then, the minimum circumscribed circle and shape principal orientation of the object region are calculated ; and the object region is divided into some blocks in the polar coordinate, which uses the center of the minimum circumscribed circle as the origin and the direction of the shape principal orientation as the direction of the polar axis, and the features of all subblocks are extracted to compose shape histograms and then smoothed ; then, combined with global features to synthetically represent the content of the image ; finally, a new image similarity is used to compute the distance between images

    首先對商標圖像進行預處理，得到規則二值圖像;計算目標像素的最小外接圓和圖像的形狀主方向;在以最小外接圓圓心為原點、形狀主方向為極軸方向的極坐標中將圖像分塊，提取各子塊特徵，構成形狀直方圖並平滑處理;再結合全局形狀特徵來綜合表示圖像內容;最後採用新的相似性度量方法計算圖像間距離，實現商標圖像的準確檢索。
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