擬坐標 的英文怎麼說

中文拼音 [nǐzuòbiāo]
擬坐標 英文
quasi coordinates
  • 擬 : 動詞1. （設計; 起草） draw up; draft 2. （打算; 想要） intend; plan 3. （模仿） imitate
  • 標 : Ⅰ名詞1 [書面語] （樹梢） treetop; the tip of a tree2 （枝節或表面） symptom; outside appearance; ...
  1. Based on vc and opengl software platform, as a part of integrate planar mechanism analysis and simulation cai, the mechanism theory has been adopted to analysis the movement trace and profile of linkage ; adopt oriented object method to capsulate the class module. each corresponding class module complete parameter storage and process ; adopt message - map, message - trigger to organize the programming and response the user " s input ; use the document - view structure of the visual vc + + mfc class foundation as the basis of the programming architecture to complete those functions. use oriented object method to product the following class module : control class, render class, document class, mechanism class and other classes ; adopt opengl library to draw the three dimensional graph based on the result of mechanism analysis ; use model transforming, lighting, material, color, frame - buffer, display - list, graphics - component combine etc to draw the three - dimension mechanism and make the simulation of linkage has high reality

    本文敘述了平面連桿機構運動分析和可視化模擬的理論演算法及其編程實現方法，基於微機vc平臺，採用opengl圖形庫編程，利用面向對象的方法對機構進行功能封裝，利用vc + +的文檔視結構作為最基本的窗架，生成並控制三維繪制類、文檔類、主窗口類和一些輔助類，利用windows平臺的消息映射、事件驅動來組織程序運行和響應用戶反饋，利用機構分析得出坐標數據驅動opengl庫繪制三維機構圖形。
  2. Based pc, d / a convertor and 2 - dimension galvanometer scanning system, laser marking control system is built. coordinate data scanned and kept in the computer are transformed into the analog signals by d / a converter, then control the galvanometer to deflexion

    基於pc 、 d / a轉換器和二維振鏡掃描系統搭建激光打標機控制系統，將存儲在主控計算機的掃描坐標點的坐標數據通過d / a轉換，將數字信號轉換成模擬信號來控制振鏡偏轉。
  3. 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。
  4. In the stage of the sun and the moon in sight, azimuth of the sun, the earth and the moon in the spacecraft body coordinate system is simulated. combining the simulated azimuth with the ephemeris of the sun and the moon, the state equation and observation equation are modeled. the initial orbital parameters calculated by least square method are used in orbit state equation to predict spacecraft state and to realize autonomous navigation

    在日月可見階段，模擬日、地、月敏感器測量信息，即日、地、月在航天器本體坐標系下的方位信息，結合日月星歷，建立狀態方程及觀測方程，通過最小二乘法得到歷元時刻的軌道狀態初始值，將其代入軌道狀態方程進行自主導航。
  5. In the displacement measurement based on the principle of laser interference, the gaussian quadrics fitting algorithm is used to fix the central position of facula and raise the location accuracy

    在基於兩球面波干涉的長度和距離測量實驗中，運用高斯二次曲面擬合演算法為激光光斑的中心坐標定位，提高了光斑的定位精度。
  6. In this paper, the signal processing of sum and difference patterns of amplitude dual - plane monopulse radar and the effect of amplitude - plane non - consistency are analyzed from the coordinates relationship of four - horn antenna at length, and its corresponding simulation is verified, which bring convenience to engineering implementation

    文中從四喇叭天線的位置坐標關系，詳細分析了雙平面振幅和差式單脈沖雷達信號處理過程以及三通道幅相不一致性的影響，並且進行了相應的模擬，為工程實現帶來了很大的便利。
  7. The inverse kinematics of a space - based manipulator composed of three rigid bodies with prismatic joint are studied in the second chapter, and the jacobean matrix for space manipulator is derived by fully cartesian coordinates. a control method for space manipulator based on the resolved motion rate control concept is proposed

    為此結合系統動量及動量矩守恆關系導出了以完全笛卡爾坐標表示的系統運動jacobi矩陣，並在此基礎上研究了帶滑移鉸空間機械臂的分解運動速度控制方法，給出了計算機數值模擬算例，以此證明了該方法的有效性。
  8. 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。
  9. The model of influence upon the parallel between servo optic axis from the angle error of installation plans presented. whereby the theoretic analysis is carried out and the analyzing results are obtained. the method of obtaining the angle error through measuring the installation plans with three - coordinates measuring device and fitting the measurement data is put forward and pave a road for lessening the influence

    對安裝面角誤差影響隨動光軸平行性的問題也建立了數學模型，以此為出發點進行理論分析，給出了分析結果；提出用三坐標測量機測量安裝面，通過擬合得到安裝面的角誤差；從而為減小這一誤差源對隨動光軸平行性的影響鋪平了道路。
  10. It also roundly researched the solution of the helmholtz equation in the circumrotating ellipsoidal coordinates, and discussed how to calculate the solution of the electro - magnetic field in the circumrotating ellipsoidal coordinates using special functions, and researched circumrotating ellipsoidal cavity ’ s latent value and quality parameter using arithmetic simulation, finally we compared the ellipsoidal cavity with the spheriform cavity. the main content of this thesis are as following : 1. calculated the distribution of the electro - magnetic field inside the ellipsoidal cavity based on maxwell equations and boundary conditions, and confirmed the syntonic mode inside the ellipsoidal cavity using arithmetic methods

    本文從maxwell方程及其邊界條件求解出橢球腔內的電磁場分佈，較為全面的研究了旋轉橢球坐標系下赫姆霍茲方程的解的問題，討論了用特殊函數來求解旋轉橢球坐標系下電磁場的解，並通過數值模擬研究了旋轉橢球諧振腔的本徵值和品質因數，並和球形諧振腔做了比較，主要內容為: 1 .用maxwell方程及其邊界條件求解出橢球腔內的電磁場分佈，並且分析了橢球腔內的諧振模式。
  11. The conventional sphere model of earth and circle model of orbit are discarded, and the ellipsoid model and the ellipse model are selected for further research, which achieves a method to determine the target position through the antenna pointing direction. and the spaceborne sar system design and simulation software is brought forth. this software accomplishes sar system coefficients design for antenna area, pulse repetition frequency, signal bandwidth, downlink data rate, radar transmitter power and satellite platform yaw steering

    本文從星載雷達的星地幾何關系入手，舍棄傳統星載合成孔徑雷達研究中的球地球模型和圓軌道模型，研究了在地球橢球模型和橢圓軌道模型下由雷達天線確定目標坐標的方法，並在此基礎上研製了星載合成孔徑雷達系統設計與模擬軟體，完成雷達系統天線尺寸、脈沖重復頻率、信號帶寬、雷達信號數據率、雷達發射功率、衛星平臺的偏航牽引等幾個方面的系統參數設計以及雷達多普勒特性、雷達系統模糊、雷達定位及精度的分析，最後完成雷達回波信號的模擬。
  12. 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。
  13. Numerical simulation of two - phase turbulent combusti on flow in an afterburner under generalized nonorthogonal curvilinear coordinate systems

    非正交曲線坐標系數值模擬加力燃燒室湍流兩相流燃燒
  14. This thesis make a study on vector - contorl wvf system of asynchronous motor. in the course of study, making use of the mathematical model of asynchomous motor in mt axes. then both open - loop control system and close - loop vector - control system are respectively simulated with simulation block simulink in matlab

    本文對異步電動機變頻調速系統進行了研究，利用異步電動機在二相同步旋轉mt坐標系下的數學模型，使用matlab中的模擬工具箱simulink分別對開環控制系統和閉環矢量控制變頻調速系統進行了模擬。
  15. 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」 。
  16. A method for extracting building roof region is presented, which is based on fitting ground points of vertical lines f rom multiple aerial images

    另外，還針對屋頂灰度變化較均勻的建築物，研究和提出了一種基於多幅圖像垂直邊緣地面點坐標擬合的建築物屋頂區域提取方法。
  17. It has designed a special method for finding circular center image coordinates and a subpixel digital image process method, so that the precision of simulation for searching image point of circular center can reach to 0. 01 pixel in grade of amount. it has designed amending method for errors, produced by improper installation position of the testing device

    在圖像處理方面，本文設計了標志特徵圓圓心位置的特殊方法和亞像素數字圖像處理方法，使得特徵圓圓心像點的模擬定位精度可達0 . 01個像素的數量級;提出了一整套圍繞特徵直徑像的特性來尋找其端點坐標的方法。
  18. On introducing the development of cmms, this paper proposes a new concept - virtual coordinate measuring machine ( vcmm ) in application of virtual reality, expounds the concept, construction and building method of vcmm, describes the running environment of moving bridge vcmm

    本文簡要地介紹了傳統三坐標測量機發展的現狀，結合虛擬現實技術，提出了三坐標測量機的一個新的發展方向虛擬坐標測量機（ vcmm ） ，同時闡述了虛擬坐標測量機的概念、組成和實驗方法，並說明?活動橋式虛擬坐標測量機的運行環境。
  19. The independent virtual coordinate measuring system as a new kind of measuring instrument is also studied in this paper. the experiments of one - dimension coordinate measuring system are also studied. the one - dimension virutal coordinate system is carried out on a three - coordinate measuring machine

    在三坐標測量機中建立了一維虛擬坐標測量系統的實驗系統，給出了詳細的設計方案，所得實驗結果，並對實驗數據進行了初步分析，從而從理論及實驗上證明了虛擬坐標測量系統原理的可行性。
  20. Meanwhile, the paper also gives a more detailed discussion about the key techniques related to dynamic tracking measurement, such as : the measuring principle and method, establishment principle of the virtual coordinate system, self - calibration principle, the redundancy design and allocation principle, etc

    並且介紹了測量的原理、原則、方法和虛擬坐標系的建立以及冗餘測量配置與測量方法、測量系統的自標定、實用測量系統的技術特點等。
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